Used Battenfeld Hm 300/2250S for sale (14,352)

Condition: excellent (used), Year of construction: 2007, Battenfeld HM 300/2250S with robot Wittmann W818 / machine in very good technical condition / operating hours: approx. 40.000 h in automatic mode year of construction: 2007 injection unit: Screw diameter: 55 mm injection weight: 702.5 g Injection pressure: 2500 bar Metering volume: 772 ccm Clamping unit : clamping force: 300 t tie bar distance: 710x630 mm size of clamping platens: 1030x1020 mm Ejector: hydraulic clamping unit: hydraulic Control: UNILOG B6 - touch control panel Additional equipment: Machine in very good technical condition Euromap 67 Isdpey Slu Refx Ab Sjtg Robot interface Control with air valve Hydraulic core pull x 1 Control with hot runners x 8 Injection unit is wear resistant and resistant to corrosion Proportional valve on the injection unit - precise injection In the machine is installed new original screw and cylinder Robot Wittmann W818 4-axis, high-speed robot: 3 axes are driven by servo motors (electric); movement A and C Touch control panel Robot with adapter, protective housing Dimensions: Weight: 13000 kg Length/width/height: 6.90x1.90x2.40 m Drive: Pumps/motor: 45 kW Heating power: 22,7 kW Total power: 67,7 kW All offered machines are started by our service technicians before sale. It is possible to get a video of technical tests of the selected machine or participate in live technical tests in our company in Łódź. Price: Upon request

Condition: excellent (used), Year of construction: 2011, Battenfeld HM 300/1330 Injection Moulding Machine Brand: Battenfeld Model: HM 300/1330 Year of manufacture: 2011 Category: Injection Moulding Machines The machine is in very good technical condition, fully operational, and ready for immediate use. Ideally suited for industrial production requiring high performance and reliability. Clamping Unit Iodpfexyqxujx Ab Sstg Clamping force: 3000 kN Platen dimensions (H × W): 1020 × 1030 mm Tie bar spacing (H × W): 710 × 610 mm Minimum / maximum mould height: 375 mm Maximum platen opening: 1150 mm Injection Unit Screw diameter: 55 mm Injection volume: 653 cm³ Shot weight: 600 g Injection pressure: 2040 bar Dimensions and weight Length × width × height: 12.2 m The machine is available for inspection and testing under power. Photos and demonstration videos can be provided upon request. Loading and transport can be arranged.

Condition: excellent (used), Year of construction: 2011, Battenfeld HM 300/1330 Injection Moulding Machine Brand: Battenfeld Model: HM 300/1330 Year of manufacture: 2011 Category: Injection Moulding Machines The machine is in very good technical condition, fully operational, and ready for immediate use. Ideally suited for industrial production requiring high performance and reliability. Clamping Unit Iedpfx Asxyqw Rjb Sstg Clamping force: 3000 kN Platen dimensions (H × W): 1020 × 1030 mm Tie bar spacing (H × W): 710 × 610 mm Minimum / maximum mould height: 375 mm Maximum platen opening: 1150 mm Injection Unit Screw diameter: 55 mm Injection volume: 653 cm³ Shot weight: 600 g Injection pressure: 2040 bar Dimensions and weight Length × width × height: 12.2 m The machine is available for inspection and testing under power. Photos and demonstration videos can be provided upon request. Loading and transport can be arranged.

Condition: excellent (used), Year of construction: 2011, Battenfeld HM 300/1330 injection molding machine Itjdpfx Abewrmqms Sjg Control: B6S Year of manufacture: 2011 Operating hours: 68038 Closing unit: Closing force [kN]: 3000 Clamping plate dimensions (hxv) [mm]: 1020 x 1030 Clearance between columns (hxv) [mm]: 710 x 610 Min./max. mold height [mm]: 375 Maximum opening width [mm]: 1150 Centring ring diameter [mm]: 160 Maximum ejector stroke [mm]: 200 Injection unit: Screw diameter [mm]: 55 Injection volume [cm3]: 653 PS injection weight [g]: 600 Injection pressure [bar]: 2040 Maximum injection speed: 144 Additional equipment: Pneumatic valve - 4 pcs. Core - 2 pcs.

Condition: ready for operation (used), Year of construction: 2011, functionality: fully functional, machine/vehicle number: 133404-100, clamping force: 3,000 kN, screw diameter: 55 mm, injection pressure: 2,040 bar, injection weight: 600 g, TECHNICAL DETAILS Clamping Unit Clamping force: 3,000 kN Platen size (H x W): 1,020 x 1,030 mm Tie bar spacing (H x W): 710 x 610 mm Minimum mould height: 375 mm Iedpox A Df Tefx Ab Sotg Maximum mould height: 375 mm Maximum opening stroke: 1,150 mm Injection Unit Screw diameter: 55 mm Shot volume: 653 cm³ Shot weight: 600 g Injection pressure: 2,040 bar MACHINE DETAILS Weight: 12,200 kg

Condition: ready for operation (used), Year of construction: 2012, functionality: fully functional, machine/vehicle number: 134022-100, clamping force: 3,000 kN, screw diameter: 60 mm, injection pressure: 2,040 bar, injection weight: 840 g, TECHNICAL DETAILS Clamping Unit Clamping force: 3,000 kN Platen size (H x W): 1,020 x 1,030 mm Tie bar distance (H x W): 710 x 630 mm Minimum/maximum mold height: 375 mm Itodpfx Ajx A A S Eob Sog Maximum opening stroke: 1,175 mm Injection Unit Screw diameter: 60 mm Shot volume: 913 cm³ Shot weight: 840 g Injection pressure: 2,040 bar MACHINE DETAILS Net weight with control cabinet: 12.2 t EQUIPMENT The machine can be inspected and tested under power. Additional photos and videos available upon request. Loading and transport can be arranged.

Condition: excellent (used), Year of construction: 2011, operating hours: 85,000 h, functionality: fully functional, clamping force: 3,000 kN, screw diameter: 75 mm, clearance between the columns: 710 mm, column diameter: 105 mm, injection pressure: 1,555 bar, mold height (min.): 350 mm, ejector force: 59 N, ejector stroke: 200 mm, opening stroke: 800 mm, heating capacity: 31.3 kW (42.56 HP), Equipment: USB port, documentation/manual, OPPORTUNITY Iodpfxjww D Rns Ab Sjtg Press ready for use, in very good condition, Euromap 67, 4 hydraulic cylinders, hot runner system for the mold with 12 zones included. All details are visible in the photos.

Year of construction: 2005, condition: ready for operation (used), Clamping force: 450t, opening stroke: 950mm, tie bar spacing X/Y: 800mm/970mm, operating pressure: 210bar, weight: approx. 20400kg, control system: Unilog B4. An on-site inspection is possible. Itedpfoy Nnadsx Ab Sjg

Condition: ready for operation (used), Year of construction: 2003, operating hours: 77,890 h, functionality: fully functional, clamping force: 1,274 kN, screw diameter: 40 mm, No reserve price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Clamping force: 130 t Tie bar distance: 420 mm x 420 mm Screw diameter: 40 mm Iodpjy Ewpmjfx Ab Sotg MACHINE DETAILS Operating hours: 77,890 h Note: When purchasing multiple items from the same location (see offers below), the lower applicable costs for dismantling and loading will be granted.

Condition: good (used), Year of construction: 2012, functionality: fully functional, machine/vehicle number: 134022-100, screw diameter: 60 mm, clearance between the columns: 710 mm, displacement volume: 913 cm³, injection weight: 684 g, mold height (min.): 375 mm, input frequency: 50 Hz, input voltage: 400 V, We are offering a Battenfeld HM300/1300 injection moulding machine in very good condition. The machine has been regularly serviced and maintained. Iodpfx Aoxuz Nmob Sotg

Condition: excellent (used), Year of construction: 2008, Battenfeld HM 100/525 with Battenfeld R10S Robot / Operating Hours: approx. 19,000 in automatic mode Year of manufacture: 2008 Injection Unit: Screw diameter: 40 mm Isdpfx Aboy Slzkj Sjtg Shot weight: 228.4 g Injection pressure: 2,100 bar Dosage volume: 251 ccm Clamping Unit: Clamping force: 100 t Tie bar spacing: 470x420 mm Platen size: 680x663 mm Ejector: hydraulic Clamping unit: hydraulic Control system: UNILOG B6 - touchscreen Additional equipment: Machine in very good technical condition Operating hours: approx. 19,000 in automatic mode Total operating hours: 26,580 Euromap 67 Robot interface Air valve x 1 Hydraulic core pull x 1 Injection unit is wear-resistant and corrosion-resistant Battenfeld R10S Robot Year of manufacture: 2015 5-axis robot: 3 axes powered by servomotors (electric); axis B - pneumatic, axis C Robot with adapter Purchase of robot at extra cost Dimensions: Weight: 4,600 kg Length/Width/Height: 4.23x1.41x2.05 m All machines offered are started up by our service technicians prior to sale. It is possible to receive a video of the technical tests for the selected machine or to participate in live technical tests at our premises in Łódź. Price: On request

Condition: excellent (used), Year of construction: 2014, Wittmann Battenfeld HM 150/750 Servo Power / Hybrid Machine / Operating hours: approx. 29,000 in automatic mode Year of manufacture: 2014 Injection unit: Screw diameter: 50 mm Injection weight: 402.2 g Injection pressure: 1,714 bar Shot volume: 442 ccm Clamping unit: Clamping force: 150 t Tie bar distance: 520x470 mm Dimensions of platens: 760x755 mm Ejector: hydraulic Clamping unit: hydraulic Control system: UNILOG B6P - touchscreen Additional equipment: Machine in very good technical condition Electric machine: energy-saving and very quiet Operating hours: approx. 29,000 in automatic mode Total operating hours: 36,714 Euromap 67 Robot interface Air valve x 1 Hydraulic core pull x 1 Injection unit is wear-resistant and corrosion-resistant Main drive motor - servo motor driven by inverter - energy saving Ijdpfx Abey Slvne Sstg Dimensions: Weight: 6,600 kg Length/Width/Height: 4.82x1.42x2.20 m All machines offered are started up by our service technicians before sale. It is possible to obtain a video of the technical tests of the selected machine or to participate in live technical tests at our facility in Łódź. Price: On request

Condition: excellent (used), Year of construction: 2006, Battenfeld HM 270/1330H/1000H / 2K machine in very good technical condition / Operating hours: approx. 10,000 h in automatic mode Year of construction: 2006 Injection unit: Screw diameter: 55 mm Injection weight: 594 g Injection pressure: 2041 bar Metering volume: 653 ccm Clamping unit: Clamping force: 270 t Distance between tie bars: 710x710 mm Size of the clamping plates: 1030x1000 mm Ejector: hydraulic Clamping unit: hydraulic Control system: UNILOG B4 Additional equipment: Machine in very good technical condition 2K machine with horizontal injection units arranged in parallel Central injection Operating hours: approx. 10,000 in automatic mode Iedpfx Aoy Slvbeb Setg Total number of operating hours: 11,876 h Control system with air valve Hydraulic core pull x 3 Reinforced injection units - bimetal Proportional valves on injection units - precise spraying Parallel movements Injection unit 1000H Screw diameter: 50 mm Injection weight: 446.8 g Injection pressure: 2016 bar Dosing volume: 491 ccm Dimensions Weight: 15000 kg Length/width/height: 6.90x1.78x2.34 m All offered machines are started by our service technicians before sale. It is possible to obtain a video of the technical tests of the selected machine or participate in live technical tests at our company in Łódź. Price: On request

Condition: excellent (used), Year of construction: 2012, Battenfeld EcoPower SE 300/1330 / Electric machine Year of manufacture: 2012 Injection unit: Screw diameter: 50 mm Injection weight: 491.4 g Injection pressure: 2470 bar Metering volume: 540 ccm Clamping unit: Clamping force: 300 t tie bar distance: 770x720 mm size of clamping platens: 1090x1170 mm ejector: electric clamping unit: toggle lever control: UNILOG B6 - touch screen Additional equipment: electric machine: high speed, energy saving and very quiet Machine in very good technical condition Euromap 67 Robot interface Air valve x 8 Control unit with hot runners x6 Injection unit hardened - bimetal Parallel movements It is possible to change the screw diameter for fi 45, 55, 65 mm Dimensions: Weight: 14100 kg Length/width/height: 7.20x2.04x2.20m Itjdsy Sluwepfx Ab Seg Propulsion: Pumps/motor: 0 kW Heating power: 22 kW Total power: 0 kW All offered machines are started by our service technicians before sale. It is possible to get a video of technical tests of the selected machine or participate in live technical tests in our company in Łódź. Price: Upon request

Condition: good (used), Year of construction: 2008, functionality: fully functional, clamping force: 1,000 kN, screw diameter: 40 mm, clearance between the columns: 420 mm, displacement volume: 251 cm³, total length: 4,650 mm, total width: 1,450 mm, total height: 2,050 mm, overall weight: 4,600 kg, type of input current: DC, input frequency: 50 Hz, input voltage: 460 V, For sale is an injection molding machine from Battenfeld, model HM1000-75 131426-100. The machine is in excellent condition and is ready for immediate use. Technical Data: Model / Type: HM 100/750 S Year of manufacture: 2008 Total weight: 4,600 kg Hydraulic operating pressure: 275 bar Pneumatic operating pressure: 6 bar Rated voltage: 400 V Frequency: 50 Hz Rated motor current: 40 A Control voltage: 24 V DC Wiring diagram number: HMB6S131426-100 Rated current: 120 A Max. pre-fuse gL: 100 A Clamping force: 1,000 kN Clear tie bar spacing: 420 x 420 mm Screw diameter: 40 mm Shot volume: 251 cm³ Max. shot weight: 228 g Length: 4,650 mm Width: 1,450 mm Height: 2,050 mm Itjdpfey En Sfox Ab Ssg Transport and loading can be arranged across Europe upon request, at an additional cost. All prices are subject to VAT. Inspection is possible by appointment. Please contact us – our team will be happy to assist you. Trade-in or exchange is possible! Machinery purchase and sales PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINERY AND MORE. Gjbn N Ay Dowza Dxogoil Are you looking for a high-quality yet affordable metalworking machine for your production? Or are you looking to sell one? For further information or contact options, please visit our website.

Condition: good (used), Year of construction: 2004, clamping force: 1,000 kN, clearance between the columns: 420 mm, displacement volume: 192 cm³, type of input current: DC, input frequency: 50 Hz, input current: 80 A, For sale: Battenfeld injection moulding machine, model HM 1000-750. The machine is in good condition and ready for immediate use. Technical data: Model / Type: HM 1000/750 Year of manufacture: 2004 Control system: Unilog B4 Total weight: 4,600 kg Hydraulic operating pressure: 240 bar Pneumatic operating pressure: 6 bar Rated voltage: 230/400 V Frequency: 50 Hz Rated motor current: 40 A Control voltage: 24 V DC Wiring diagram number: HM B4500028412 0 Max. main fuse: 80 A (1st power supply) / 50 A (2nd power supply) Clamping force: 1,000 kN Tie bar spacing: 420 x 420 mm Maximum shot volume: approx. 192 cm³ Total input current: 63 A or 80 A Transport and loading can be organised Europe-wide upon request and at an additional cost. Ijdpfey Enh Tjx Ab Sjtg Prices are subject to VAT. Inspection is possible by appointment. Please contact us – our team is happy to assist you. Trade-in or exchange is possible! Machinery Trade / Purchase BUYING & SELLING PRODUCTION AND METALWORKING MACHINERY AND MORE. Are you looking for a high-quality yet affordable metalworking machine for your production? Or do you want to sell yours? For further information or contact options, please visit our website.

Condition: used, Year of construction: 2003, operating hours: 67,092 h, functionality: fully functional, clamping force: 10,000 kN, screw diameter: 120 mm, displacement volume: 5,655 cm³, injection pressure: 1,632 bar, total length: 11,600 mm, total width: 2,900 mm, total height: 2,500 mm, overall weight: 76,500 kg, clamping force: 10000 kN distance between tie-bars h x v: 1120 x 1400 mm size of mould plates h x v: 1960 x 1690 mm min. mould height: 550 mm max. mould height: 1020 mm max. open daylight: 2120 mm opening stroke: 1100 mm screw diameter: 120 mm swept volume: 5655 ccm injection pressure: 1632 bar equipment included screen text german complact flash drive core pulling hydraulically 4x Anti vibration mounts electric interface for handling units according to Euromap 12 interface for temperature control units increased oil cooler Itodpfxsywg N Ts Ab Sog mould heating 16x measures of machine l x w x h: 11.6m x 2.9m x 2.5m total weight: 76500KG

Condition: used, Year of construction: 2013, clamping force: 2,400 kN, screw diameter: 55 mm, displacement volume: 653 cm³, injection pressure: 2,041 bar, ejector force: 59 N, Clamping force: 240 t Year of manufacture: 2013 Injection unit .../1330 Screw diameter: 55 mm Specific injection pressure: 2041 bar Injection volume: 653 ccm Screw L/D ratio: 22 Tool clamping system 240/... Clamping force: 240 t Mould platen dimensions: 910 x 930 mm Clearance between tie bars: 630 x 570 mm Itodpsyvtu Hsfx Ab Sog Ejector force: 59 kN Mold height: 350 mm Opening stroke: 725 mm Max. platen distance: 1075 mm Ejector stroke: 200 mm Weight: 10,000 kg Dimensions (m) L x W x H: 5.5 x 1.8 x 2.4 m Year of manufacture: 2013 Control: Unilog B6

Condition: good (used), Year of construction: 2011, clamping force: 240 kN, screw diameter: 50 mm, displacement volume: 540 cm³, injection pressure: 2,470 bar, injection weight: 491 g, mold height (min.): 350 mm, Battenfeld HM 500/3400 Injection Moulding Machine General Specifications Clamping force: 240 t Year of manufacture: 2011 Control system: Unilog B6 Injection Unit Unit designation: ... / 1330 Screw diameter: 50 mm Injection pressure: 2470 bar Injection volume: 540 cm³ Screw L/D ratio: 22 Clamping Unit Clamping system: 240 / ... Clamping force: 240 t Platen dimensions: 910 x 930 mm Iodpoyzzkgjfx Ab Setg Clearance between tie bars: 630 x 570 mm Ejector force: 59 kN Ejector stroke: 200 mm Mould height: 350 mm Opening stroke: 725 mm Max. daylight (max. platen distance): 1075 mm Dimensions and Weight Weight: 10,000 kg Dimensions (L x W x H): 5.5 x 1.8 x 2.4 m

Condition: excellent (used), Year of construction: 2008, Injection molding machine BATTENFELD HM 60/350 S Year of manufacture: 2008 Injection elements: Screw diameter: 35 mm Injection weight : 153.8 g Injection pressure: 2083 bar Injection volume: 169 ccm Closure elements: Closing force : 60 t Clearance between columns: 370x320 mm Dimensions of table plates max: 550x530 mm Ejector: hydraulic Closing system: hydraulic Control: UNILOG B6 Additional equipment: Isdpfx Ask Rnq Nsb Sstg Machine in very good technical condition Euromap 67 Dimensions: Weight: 3100 kg Length/Width/Height: 3.79x1.24x1.88 m Power supply: Pump/motor: 15 kW Heaters: 10.4 kW Total: 25.4 kW

Condition: good (used), Year of construction: 2010, clamping force: 900 kN, screw diameter: 30 mm, displacement volume: 106 cm³, injection pressure: 2,042 bar, BATTENFELD HM 90-210 Stock No.: 503670 Manufacturer: BATTENFELD Model: HM 90-210 Control unit: UNILOG B6 Year of manufacture: 2010 Technical Data - Clamping Unit Clamping force: 900 kN Tie bar spacing (HxV): 420 x 370 mm Platen size (HxV): 630 x 613 mm Minimum mould height: 450 mm Maximum mould height: 925 mm Maximum platen distance: 925 mm Opening stroke: 475 mm Ejector stroke: 150 mm Ejector force: 41 kN Moving platen centering diameter: 125 mm Fixed platen centering diameter: 125 mm Maximum mould weight: 800 kg Technical Data - Injection Unit Screw diameter: 30 mm Shot volume: 106 cc Injection pressure: 2042 bar Screw L/D ratio: 22 l/d Screw stroke: 150 mm Screw speed: 372 rpm Screw torque: 490 Nm Plasticizing rate: 14 g/s PS Maximum shot weight in air: 103 g/s PS Number of heating zones: 4 Nozzle stroke: 250 mm Dimensions & Weight Machine dimensions (LxWxH): 3.7 m x 1.5 m x 2.1 m Total weight: 4100 kg Equipment / Features Display language: German Hydraulic core pullers: 1x Leveling elements Ethernet interface EUROMAP 13 interface EUROMAP 67 handling interface Interface for dosing unit Itsdpfsyglw Tox Ab Seg Interface for handling Interface for temperature control unit

Condition: good (used), Year of construction: 2011, clamping force: 650 kN, screw diameter: 22 mm, displacement volume: 42 cm³, injection pressure: 2,864 bar, BATTENFELD HM 65-130 Stock no.: 503671 Manufacturer: BATTENFELD Model: HM 65-130 Control unit: UNILOG B6 Year of manufacture: 2011 Technical Data – Clamping Unit Clamping force: 650 kN Tie bar spacing (H x V): 370 x 320 mm Platen size (H x V): 550 x 500 mm Min. mold height: 225 mm Max. mold height: 675 mm Max. platen daylight: 675 mm Opening stroke: 450 mm Ejector stroke: 150 mm Ejector force: 26 kN Moving platen centering diameter: 125 mm Fixed platen centering diameter: 125 mm Itjdpfx Aeyglwmob Sjg Max. mold weight: 600 kg Technical Data – Injection Unit Screw diameter: 22 mm Shot volume: 41.8 ccm Injection pressure: 2,864 bar Screw L/D ratio: 20 l/d Screw stroke: 110 mm Screw speed: 398 rpm Screw torque: 238 N·m Free-flow shot weight (PS): 61 g/s Number of heating zones: 4 Nozzle stroke: 47 mm Dimensions & Weight Machine dimensions (L x W x H): 3.5 m x 1.4 m x 2 m Total weight: 3,000 kg Equipment Control panel language: German Hydraulic core pull: 2x Air valve: 1x Leveling elements Ethernet interface EUROMAP 13 interface Interface for temperature control unit Tool heating circuits: 6x

Condition: good (used), Year of construction: 2013, functionality: fully functional, clamping force: 900 kN, screw diameter: 30 mm, displacement volume: 106 cm³, Injection Moulding Machine BATTENFELD HM 90-210 Stock No.: 503672 Manufacturer: BATTENFELD Model: HM 90-210 Control: UNILOG B6 Year of manufacture: 2013 Technical Data – Clamping Unit Clamping force: 900 kN Tie bar spacing h x v: 420 x 370 mm Platen size h x v: 580 x 630 mm Minimum mould installation height: 450 mm Maximum daylight: 925 mm Opening stroke: 475 mm Ejector stroke: 150 mm Ejector force: 41 kN Moving platen centering diameter: 125 mm Fixed platen centering diameter: 125 mm Maximum mould weight: 800 kg Technical Data – Injection Unit Screw diameter: 30 mm Shot volume: 106 cc Injection pressure: 2,042 bar Screw L/D ratio: 22 l/d Screw stroke: 150 mm Screw speed: 372 rpm Screw torque: 490 Nm Theoretical shot weight (PS): 103 g/s Number of heating zones: 4 Nozzle stroke: 250 mm Dimensions & Weight Machine dimensions LxWxH: 3.7m x 1.5m x 2m Total weight: 4,100 kg Equipment Screen text in German CEE socket 16A Ijdpfoyglvpjx Ab Sjtg CEE socket 32A Hydraulic core pull 2x Air valve 1x Levelling elements Ethernet interface EUROMAP 13 interface EUROMAP 67 handling interface Interface for dosing/coloring unit Interface for temperature control unit Tool heating 8x

Year of construction: 1989, condition: used, Servo drive, servo card, output module, CPU card, input processor, power supply, control card, input card, controller, converter, controller -Indramat: AC servo controller from Battenfeld injection molding machine -Type: MOD13/1X... -Contr: TDM 3.2-30-300-W0 Itedpeqgi Ilefx Ab Sjg -Quantity: 1x servo controller available -Dimension: 390/70/H325 mm -Weight: 7.7 kg

Year of construction: 1989, condition: used, Servo drive, servo card, output module, CPU card, input processor, power supply, control card, input card, controller, converter, controller -Indramat: AC servo controller from Battenfeld injection molding machine -Type: MOD13/1X014-088 -Contr: TDM 3.2-30-300-W0 / TVM 2.1-50-W1-220 -Quantity: 1x servo controller available Isdpfjqgi Ipox Ab Sjtg -Dimension: 390/105/H325 mm -Weight: 15,1 kg