Used Rotary Screen for sale (7,829)

Year of construction: 2022, operating hours: 6,100 h, condition: excellent (used), functionality: fully functional, Year 2022 6100 Hrs CAT 4.4 Tier 3A Njde Adly Ejpfx Ah Sjdc No Adblue / EGR 16 x 5 Two Deck Screenbox 50mm Punch Plate Top Deck & 15mm Square Mesh 32,500 kgs Excellent Condition Ready To Go To Work

Condition: excellent (used), Year of construction: 2019, functionality: fully functional, machine/vehicle number: M .415619, total length: 5,600 mm, total width: 1,300 mm, total height: 1,950 mm, overall weight: 1,500 kg, GPE/100-7″-UV Automatic machine for printing with registration on travel mugs This machine is in excellent condition Also comes with a set of jigs to print the travel mug with an handle with the UV dryer Print cure instantly Nsdpo Aazuqefx Ah Sodc

Year of construction: 2016, operating hours: 3,600 h, condition: excellent (used), functionality: fully functional, Used Terex Evoquip Colt 800 Tracked Screening Plant Year 2016 3600 Hrs 9 x 4 Two Deck Screenbox Woven Wire Top Deck & Bottom Deck CAT Power No Adblue 17,000 kgs Weight Ndedpfsz Nkumsx Ah Sjc Excellent Condition Ready To Go To Work

Condition: used, Year of construction: 2011, functionality: fully functional, machine/vehicle number: 11520, input voltage: 400 V, total length: 7,500 mm, total width: 6,450 mm, total height: 2,300 mm, compressed air connection: 6 bar, type of input current: three-phase, year of last overhaul: 2022, overall weight: 3,800 kg, input current: 32 A, product height (max.): 280 mm, Equipment: documentation/manual, QUICK SALE WANTED K9 High-Speed Fully Automated Single-Colour Screen Printing Machine – Complete with K23 Scrambler, Hopper & Deco Inspection System For sale: K9 high-speed, fully automated screen printing machine, configured for single-colour printing. Designed for efficient production printing around cylindrical items, with applications including bottles, tubes and similar containers. Supplied complete with K23 scrambler and hopper for automated product feeding, plus a Deco camera inspection system to support print-quality monitoring during production. Printing capabilities: Item diameters: 20 mm to 130 mm Item lengths: 40 mm to 280 mm Single-colour printing High-speed automated operation; output depends on the item, artwork and machine setup K23 Scrambler & Hopper Njdpfx Ao Aba Iloh Sjdc Provides product sorting and feeding to the printing machine, helping reduce manual handling and maintain a steady supply of items during production. Deco Camera Inspection System Included for inspection of printed decoration, helping operators monitor print consistency and identify quality issues during production. Service History Full service history prior to being placed into storage. Package includes: K9 fully automated single-colour screen printing machine K23 scrambler and hopper Deco camera inspection system

Condition: new, Year of construction: 2026, functionality: fully functional, machine/vehicle number: ME 1650, total height: 4,500 mm, total width: 3,800 mm, total length: 10,800 mm, overall weight: 18,000 kg, input voltage: 380 V, power: 22 kW (29.91 HP), ME 1650 Mobile Screening Plant 130 / 250 Tons per hour capacity. Ndjdpfewhpf Sex Ah Ssc The GNR ME1650 Mobile Screening Plant can be fed with loaders in sand or mines, or connected by a belt to another crushing screening plant in use. GNR ME1650, which can be operated with a generator or mains power, is capable of screening sand in all conditions. The most important advantages are low-cost transportation, easy installation in a short time, and wide usage area. FOR MORE INFORMATION, PLEASE CONTACT US!

Condition: new, Year of construction: 2022, functionality: fully functional, The price is for all together. Ndsdpfx Ahjxwnw Ae Soc Ideal for a new start on Screen Printing Art studio Artists The set contains: 1.SCREEN PRINTING CAROUSELL type X 4 TABLES, FULL AJUSTABLE 2. DRYIER: 3FACE POWER 3.FLASH AUTO: 3FACE POWER 4. 2 SET OF RACK DRYIERS ALL ARE NEW , OUT OF THEIR BOXES.

Condition: used, PPM Rotary Lobe Pump Model LH84L - 4981 PU Ratio - 2.9451 : 1 Nodez E Iawspfx Ah Sjdc RPM - 500 Sanitary lobe pump Port size - 90mm flange

Year of construction: 2026, condition: new, functionality: fully functional, *All of our products are made with care and covered for 1 year warranty! *Installation and Operator Training FREE FABO ME Series mobile sand screening plant is an ideal solutions for the classifying materials which was provided as pre-crushed. Most important advantage of plant is having all equipment on only a single chassis. Transportation can be done by only one truck. TECHNICAL SPECIFICATIONS: - Hopper: 9 m3 - Plant Dimensions: 14130x4600x4160 mm - Production Capacity: 200-300 Tons Per Hour - Vibrating Screen and Deck: 2000x5000 (4 decks) - Total Motor Power: 65 Kw - Generator (optional): 100 kvA ME-2050 IS A COMBINATION OF: • Bunker (Hopper) • High Stroke Vibrating Screen • Folding type feeding and stock conveyor belts • Hydraulic feet • Mobile Chassis with axles and tires Ndedo Ad Iivopfx Ah Sjc • Fully Automation System • Easy walking platforms for maintenance • Diesel Generator (Optional) FOR FURTHER INFORMATION PLEASE FEEL FREE TO CALL US!!!

Condition: new, Year of construction: 2026, functionality: fully functional, color: other, CONSTMACH dewatering screens and hydrocyclone systems are specially designed for producers seeking high efficiency and quality in fine material washing processes. These systems deliver superior performance in washing materials up to 7 mm in size. Their most significant advantage is their ability to retain even the finest particles, down to 90 microns, within the material. This ensures high-quality standards, particularly in applications where preserving micronized material is critical, such as in construction sand production. Material loss encountered in classic washing systems with helical or bucket designs is minimized thanks to CONSTMACH technology. Additionally, the system offers easy maintenance, durable polyurethane screen surfaces, and the advantage of easy storage of the dry final product. These features both reduce operating costs and ensure production continuity. Dehydration Screen and Hydrocyclone Technical Specifications MODEL: CDS-1225 Dehydration Screen Dimensions (mm): 1,200 x 2,500 Hydrocyclone Diameter: 20" Slurry Pump Motor Power (kW): 37 Vibrator Motor Power (kW): 2 x 4.5 Njdpfx Ahsxqan Te Ssdc Production Capacity (tons/hour): 60 - 80 MODEL: CDS-1635 Dehydration Screen Dimensions (mm): 1,600 x 3,500 Hydrocyclone Diameter: 26” Slurry Pump Motor Power (kW): 55 Vibrator Motor Power (kW): 2 x 7.5 Production Capacity (tons/hour): 100 - 150 MODEL: CDS-2040 Dewatering Screen Dimensions (mm): 2,000 x 4,000 Hydrocyclone Diameter: 2 x 26” Slurry Pump Motor Power (kW): 75 Vibrator Motor Power (kW): 2 x 11 Production Capacity (tons/hour): 150 - 200 Why Choose Constmach Dewatering Screens? Choosing CONSTMACH dewatering screens and hydrocyclones means not only high performance but also reliability. Superior engineering design, energy efficiency, and low maintenance requirements ensure your facility runs smoothly for years to come. CONSTMACH develops customized solutions for its customers' production needs, offering both quality and durability. Therefore, if you are aiming for an efficient washing and dewatering process, the CONSTMACH brand is the right choice for you. What Do We Do at Constmach? Constmach is a leading machine manufacturer serving the construction and mining industries with a wide range of products tailored to their needs. Our product portfolio includes concrete block making machines, stationary and mobile concrete plants, stone crushing machines, stone crushing and screening plants, sand washing machines, sand making machines, asphalt plants, conveyor belt systems, jaw crushers, and mobile crushing plants. With its high quality standards, innovative production approach, and customer-focused solutions, Constmach stands out as a reliable brand in both national and international markets. Our products continue to be the preferred choice of industry professionals due to their durability, efficiency, and long-lasting performance. Information: The prices listed in the advertisement are shared based on current information. However, due to changes in market conditions and supply processes, our prices may vary from time to time. Therefore, we recommend requesting a quote from us for accurate pricing information.

Condition: excellent (used), Year of construction: 2022, ROQ P10 - Installed brand new from ROQ Dec 2022 Only 98'867 prints! Full working order 1 x ROQ Flash Set up for 6 colour print Lots of screens, ink, tote pallets etc can be included in a deal Ndedpfx Asz E Nbcjh Ssc

Condition: good (used), Year of construction: 2007, Screen PT-R16000II, year 2007 Manual plate loading Internal plate cutter Laser head with GLV technology Plate format: 1470 mm x 1165 mm Ndedezhm Arjpfx Ah Ssc Up to 16 plates/hour in full format 199,000 exposed plates Online L bridge to G & J Quartz III 125 plate developer AGFA ST 125 SX plate stacker Screen EP-B101 network interface Eqious RIP/Workflow All offers are valid subject to prior sale.

Condition: ready for operation (used), Year of construction: 2013, Machine in operation since: 2013 Reason for sale: Replacement as part of the standardization of the machine park Current operating speed: Stable production at 100 m/min Video reference: The machine is running at 100 m/min in the presented video The machine is sold together with integrated 6th generation Hunkeler unwinding and rewinding units. Year of production: 2013 Printing method: Piezo single-pass printing, four tones per drop RIP: EQUIOS Ink: Water-based pigment inks / water-based dye inks Nodpoz E Nz Asfx Ah Sedc Resolution: Maximum 720 x 360 dpi Product configuration: Dual Engine Duplex Printing speed: Maximum 128 m/min (419.94 ft/min) Paper width: 165-520 mm (6.5"-20.47") Printing width: 150-506 mm (5.9"-19.92") Dimensions (W x D x H): 2,186 x 1,766 x 1,905 mm Width including operation panel: 2,028 mm Weight: 1,766 kg (3,894 lb) - Simplex POWER SUPPLY Printer: Three-phase 200-240 V, 25 A / 380-440 V, 15 A Single-phase: 200-240 V, 13 A Single-phase: 100-240 V, 2 A OPERATING ENVIRONMENT Temperature: 18-24°C Relative humidity: 40-60% No sudden temperature changes No condensation

Year of construction: 2026, condition: new, functionality: fully functional, The combination of FTJ-1175 jaw track crusher and FTB-1550 scalper screen are stone crushing and screening systems, which are often used in quarries, mines and construction sites. This type of equipment is designed for crushing and screening of hard rocks. Here are the general features of these two FABO equipments combined and serve as a single line FTJ-1175 Tracked Jaw Crusher: - Capacity: Ideal for crushing hard rocks and stones with high capacity. - Mobility: Thanks to its crawler structure, it moves easily in difficult terrains. - Jaw Opening: Thanks to its wide jaw opening, it easily crushes large-sized materials. - Efficiency: It offers long-lasting use with its energy-saving engine and durable construction materials. FTB-1550 Tracked Scalper Screen - Screening Capacity: Suitable for pre-screening of large volume and coarse materials. - Dimensions: Features a 1550 mm wide screen system, allowing for larger material capacity. - Durability: With its wear-resistant construction, it can be used in heavy-duty operations. - VariousScreening Options: Different sizes of screens allow separation of various material sizes. Advantages of the Combination: 1. High Performance: Crushing and screening of the material is done quickly in the same system. 2. Mobility: The crawler structure provides portability and offers the possibility of use at different sites 3. Operational Ease: Integrated operation on a single line saves labour and time. 4. Various Applications: Suitable for quarries, recycling plants and large-scale construction projects. Ndsdpfxozx U Rle Ah Sec With impressive crushing capacity, reduced operating costs, and simple maintenance, this combination is a reliable, high-performing solution for any project FABO’s innovative technology guarantees exceptional efficiency and performance, giving your projects a strong competitive edge.

Condition: used, Year of construction: 2019, machine/vehicle number: 9300000000083049, functionality: fully functional, power: 4 kW (5.44 HP), input voltage: 415 V, input current: 5 A, total width: 1,950 mm, total height: 2,480 mm, overall weight: 1,100 kg, fuel type: gas, We are offering this used Pavailler CRISTAL FM2 F/G rotary rack oven, manufactured in 2019. Type designation: Rack oven CRISTAL FM2 F/G Serial number: 930000083049 Date of manufacture: 07/2019 Category and gas pressure: I2L3P / 25 - 30 mbar Current: 5.8 A Gas certification number: 1312AU1466 Gas certification company: 1312 Net weight: 1100 kg Heating capacity: 77 kW Electrical power: 4 kW Flue gas outlet type: B23 Fuel: Natural gas Destination: Netherlands Voltage: 380-415 V Country of origin: France Suitable for baking trays of: 600x800 mm (WxDxH): 1950x2760x2480 mm Door opening (WxH): 800x1850 mm Price is exw Zwaagdijk NL Status: AS IS, no guarantees Ndjdpjz D Uxksfx Ah Ssc If you have any questions or would like more information, please feel free to send us a message or call us.

Condition: good (used), Horizon RD-4055 Rotary Die Cutting Machine The machine is in perfect condition, has low mileage, and is ready to work. Machine setup is via the control panel. Made in Japan. The set consists of: – FFU-4055 sheet feeder – RD-4055 rotary die cutter with double magnetic cylinder (top and bottom) – SPC-4055 separator Manufacturer’s description: – Cost reduction thanks to multiple die reuse, – Machine operation via TOUCH & WORK touchscreen, – Short machine setup time, – Precision and excellent final product quality, – Very easy and quick die assembly on the magnetic cylinder Nodpfx Asz R Iq Ush Sedc Technical data: – Maximum sheet size before processing: 400 x 550 mm – Minimum sheet size before processing: 200 x 275 mm – Processed material: standard paper, coated paper, and cardboard – Material thickness: 188 to 400 g/m² – Feeder stack height: 500 mm – Production speed: 6,000 cycles per sheet hour Factory set of tools and accessories, instructions.

Condition: like new (used), functionality: fully functional, Year of construction: 2018, operating hours: 74 h, machine/vehicle number: PC16 / P1551, Screw compactor and two 16 Cu Mtre closed skip units all manufactured to the highest specification by De Rooij in the Netherlands. All the equipment has been used inside a security shredding unit since new. It was decommissioned in 2023 and has only seen 74 hours of use since new. This equipment has been used by a bank for shredding currency and confidential wastes, and always situated inside a secure building. All in excellent condition and perfect working order. Njdjv Ilphepfx Ah Ssdc

Year of construction: 2020, condition: like new (used), For sale: Certis Tendo 2000 arm wrapper – year of manufacture 2020 Certis Tendo 2000 pallet wrapper, manufactured by C&C Group in Italy. Suitable for wrapping palletized goods with stretch film. With this arm wrapper, the wrapping arm rotates around the pallet while the load remains on the ground. This makes the system particularly suitable for heavy or less stable pallet loads. Machine data: Brand: Certis / C&C Group Model: Tendo 2000 Year of manufacture: 2020 Ndodpfxo Adz H Ie Ah Sec Serial number: C1901471M Power supply: 230 V Type: rotating arm wrapper Condition: little used Available documentation: Instruction and maintenance manual Operating manual Parameter list Electrical diagram Parts list arm wrapper, rotating arm wrapper, pallet wrapper, pallet wrapping machine, stretch wrapper, film wrapper, stretch film wrapper, rotary arm pallet wrapper, rotating arm stretch wrapper, pallet wrapping machine, Dreharmwickler, Palettenwickler, Stretchwickler, banderoleuse à bras tournant, filmeuse palette, avvolgipallet, owijarka ramieniowa, used, second-hand, used, gebraucht, occasion, 2020, 230 V rotary arm pallet wrapper, rotating arm stretch wrapper, rotary arm wrapping machine, pallet stretch wrapper, pallet wrapping machine, stretch wrapping machine, stretch film wrapper, semi-automatic pallet wrapper, used pallet wrapper, second hand stretch wrapper arm wrapper, rotating arm wrapper, arm wrapping machine, pallet wrapper, pallet wrapping machine, film wrapper, film wrapping machine, stretch wrapper, stretch film wrapper, stretch film wrapper, pallet sealing machine, pallet packaging machine, semi-automatic pallet wrapper, used pallet wrapper, second-hand arm wrapper

Condition: new, Year of construction: 2026, functionality: fully functional, color: other, CONSTMACH dewatering screens and hydrocyclone systems are specially designed for producers seeking high efficiency and quality in fine material washing processes. These systems deliver superior performance in washing materials up to 7 mm in size. Their most significant advantage is their ability to retain even the finest particles, down to 90 microns, within the material. This ensures high-quality standards, particularly in applications where preserving micronized material is critical, such as in construction sand production. Material loss encountered in classic washing systems with helical or bucket designs is minimized thanks to CONSTMACH technology. Additionally, the system offers easy maintenance, durable polyurethane screen surfaces, and the advantage of easy storage of the dry final product. These features both reduce operating costs and ensure production continuity. Dehydration Screen and Hydrocyclone Technical Specifications MODEL: CDS-1225 Dehydration Screen Dimensions (mm): 1,200 x 2,500 Hydrocyclone Diameter: 20" Slurry Pump Motor Power (kW): 37 Vibrator Motor Power (kW): 2 x 4.5 Production Capacity (tons/hour): 60 - 80 MODEL: CDS-1635 Dehydration Screen Dimensions (mm): 1,600 x 3,500 Hydrocyclone Diameter: 26” Slurry Pump Motor Power (kW): 55 Vibrator Motor Power (kW): 2 x 7.5 Production Capacity (tons/hour): 100 - 150 MODEL: CDS-2040 Dewatering Screen Dimensions (mm): 2,000 x 4,000 Hydrocyclone Diameter: 2 x 26” Slurry Pump Motor Power (kW): 75 Vibrator Motor Power (kW): 2 x 11 Production Capacity (tons/hour): 150 - 200 Why Choose Constmach Dewatering Screens? Choosing CONSTMACH dewatering screens and hydrocyclones means not only high performance but also reliability. Superior engineering design, energy efficiency, and low maintenance requirements ensure your facility runs smoothly for years to come. CONSTMACH develops customized solutions for its customers' production needs, offering both quality and durability. Therefore, if you are aiming for an efficient washing and dewatering process, the CONSTMACH brand is the right choice for you. Nsdpfx Ahoxpxxuj Ssdc What Do We Do at Constmach? Constmach is a leading machine manufacturer serving the construction and mining industries with a wide range of products tailored to their needs. Our product portfolio includes concrete block making machines, stationary and mobile concrete plants, stone crushing machines, stone crushing and screening plants, sand washing machines, sand making machines, asphalt plants, conveyor belt systems, jaw crushers, and mobile crushing plants. With its high quality standards, innovative production approach, and customer-focused solutions, Constmach stands out as a reliable brand in both national and international markets. Our products continue to be the preferred choice of industry professionals due to their durability, efficiency, and long-lasting performance.

Condition: used, Year of construction: 2018, only approx.16K plates done Format 830 x 660 mm Apogee Workflow RIP Inlinepunch Azura C95 Clean out unit Stacker ST 95EX Available: at short term Ndjdpfxjyt I Une Ah Sec

Condition: good (used), Revent Single Rack Oven Rotary Rack Oven Complete with one mobile oven rack Nedpfsyw T D Dex Ah Sjdc In good working condition

Year of construction: 2023, operating hours: 400 h, condition: like new (used), functionality: fully functional, machine/vehicle number: 10948/11/23, For sale is a like-new MHG rotary table blasting system – an injector sandblasting system, type SMG 260 DTTA, for blasting components on a rotary table. The system was manufactured in 2022 and has only approximately 400 operating hours. Blasting was carried out exclusively with glass beads, resulting in minimal wear and tear, leaving the system in almost new condition. The blasting system has 3 blasting stations with a total of 8 automatic blasting nozzles. The injector blasting nozzles are flexibly lockable and adjustable, allowing them to be precisely aligned with different components (max. component height 350 mm). Loading is done via 2 airlocks with an automatic compressed air blow-off device. A side viewing window with an impact protection flap, 2 side doors, a safety light curtain, and a release mechanism ensure control and safety. The abrasive material storage container is equipped with a level indicator (MIN). The system is controlled via a Siemens SIMATIC HMI control system with a KTP700 display. A 30 m³ dust collector ensures the necessary vacuum and room air extraction; the system's power consumption is 6 kW. The system has already been partially disassembled and is ready for pickup. Manufacturer: MHG Strahlanlagen GmbH, Düsseldorf Type: Injector sandblasting system SMG 260 DTTA (rotary table blasting system) Year of manufacture: 2023 Operating hours: approx. 400 hours Condition: Almost new – blasted exclusively with glass beads, minimal wear Housing color: RAL 7021 Blasting stations: 3 blasting stations with a total of 8 automatic blasting nozzles Blasting nozzles: Injector blasting nozzles, flexibly lockable and adjustable Max. component height: 350 mm Airlocks: 2 airlocks with automatic compressed air blow-off device Ndeds Adzhrspfx Ah Ssc Viewing window: Side viewing window with impact protection flap Access: 2 side doors, safety light curtain, release mechanism Abrasive material container: With level indicator (MIN) Control system: Siemens SIMATIC HMI, KTP700 display Power consumption: 6 kW Dust collector: 30 m³ dust collector for vacuum and room air extraction Location: 35216 Biedenkopf

Condition: good (used), Year of construction: 2010, functionality: fully functional, For sale: Screen PT-R 4300S CTP platesetter with feeder/AGFA Avalon N4, GJ on-line processor, stacker, Apogee software with server. Njdpoykmywjfx Ah Sjdc

Condition: excellent (used), Year of construction: 2011, Plate trolley for SCL (100 plates) - Screen 4000x - Agfa - Fuji Ndodpfoy Rh Rlox Ah Soc

Condition: excellent (used), Year of construction: 2011, Screen PT-R 4300E Year of manufacture: 2011 SCL automatic plate loading Plates imaged: 114,000 Fuji 1-Bit Tiffbox Nsdpfx Aex T Tftsh Sedc Good condition.

Condition: new, Year of construction: 2026, power: 11 kW (14.96 HP), Rotary drum dryer for drying various kinds of materials like sand, biomass, sawdust, red mud, bentonite, coal Diameter: 1200mm Length: 10000mm Power: 11-13KW Gradient: 3% Capacity: 1.5-3 t/h Weight: 14Tons Besides this model, we also have the other models of rotary drum dryer 1500x12000mm, 2400x20000mm, and complete drying system for various materials, welcome to contact us for more details Our factory can design suitable solution according to your specific requirements. Rotary drum dryers are highly efficient machines used extensively in the processing of wood chips, sawdust, and biomass. They operate by utilizing a rotating drum that heats and dries the materials as they are transported through the cylinder. The design of these dryers allows them to handle a wide range of particle sizes and moisture levels, making them suitable for various types of biomass. They can also tolerate high-temperature exhaust gases, which contributes to their efficiency and versatility in industrial applications. Rotary Drum Dryer for Wood Chip, Sawdust, Biomass Nedpfxoq Igyve Ah Ssdc 🌳 Introduction to Rotary Drum Dryers In the realm of biomass processing, moisture control is key. Enter the Rotary Drum Dryer, an indispensable machine designed to efficiently reduce the moisture content of wood chips, sawdust, and biomass. This essential tool enhances productivity, improves fuel quality, and is pivotal in biomass energy production. Let’s explore its functionality and benefits! 💡 💼 Key Benefits of Using a Rotary Drum Dryer 1. Energy Efficiency: Designed to optimize energy use, Rotary Drum Dryers consume less power while delivering high drying efficiency. 🌿💡 2. High Capacity: Capable of handling large volumes of biomass, these dryers are perfect for industrial applications where large-scale drying is needed. 🏭 3. Improved Product Quality: By achieving the optimal moisture content, the dryer enhances the quality of biomass for fuel, pellets, and other applications. 🔥 4. Versatility: Suitable for a wide range of materials including wood chips, sawdust, and various types of biomass, making it a versatile tool in any biomass processing plant. 🌳 # Application Fields and Materials of Rotary Drum Dryer II. Application Fields A. Agriculture - Drying of grains, seeds, and forage. - Processing of agricultural by-products like straw and husks. B. Food Industry - Dehydration of food products such as fruits, vegetables, and spices. - Preservation of food quality during drying. C. Chemical Industry - Drying of chemical powders, granules, and crystals. - Application in the production of fertilizers and detergents. D. Mining and Minerals - Drying of ores, coal, and mineral concentrates. - Reduction of moisture content for easier handling and processing. E. Construction Materials - Drying of sand, cement, and other construction aggregates. - Preparation of materials for manufacturing processes. F. Pharmaceuticals - Drying of pharmaceutical powders and active ingredients. III. Materials Processed by Rotary Drum Dryer A. Organic Materials - Biomass, wood chips, sawdust, and animal feed. B. Inorganic Materials - Sand, clay, limestone, and gypsum. C. Waste Products - Sludge from wastewater treatment plants. - Industrial by-products for recycling or reuse.