Specification Brand : Stronghero3D BulletPoint1 : PLA silk rainbow 1.75mm, automatic color change by machine ,3 colors,purple red,green,blue and colors between them, 17 meters each color; BulletPoint2 : High-quality PLA rainbow, manual color change, color change red, orange, yellow, green, blue, purple and transition colors between the two colors, theoretically each color lasts 5-9 meters in length ,can be used in all kinds of FDM 3D printers, director extrusion or Bowden extruder. Printing smoothly, no jam, no warp, no cracking, no bad smell. BulletPoint3 : The surface of the material has a very bright color, as smooth as silk, layer strips invisible. BulletPoint4 : It is suggested that the nozzle should be used at a temperature of 195-215 ℃. If hairy when printing, adjusted gradually by 5-10 ℃ each time. The platform can be glass, acrylic plate or PEI sheet, heat bed temp 50-70 ℃ BulletPoint5 : The cooling speed of silk materials is faster than that of ordinary PLA, so the machine can be adjusted slightly, such as the distance between raft and body, the distance between support and body, moving and cooling speed, etc Color : Pla_ex31_rainbow ExternallyAssignedProductIdentifier1 : 743450938430 ExternallyAssignedProductIdentifier2 : 0743450938430 GpsrSafetyAttestation : 1 ItemName : Stronghero3D PLA 3D Printer Filament 1.75mm EX31 Rainbow 1kg(2.2lbs) for ender3 Anycubic ItemPackageDimensions_Height : 20.9 centimeters ItemPackageDimensions_Length : 6.5 centimeters ItemPackageDimensions_Width : 20.6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : filament-3d-printing-materials Manufacturer : Stronghero3D Material : Polylactic Acid ModelNumber : PLA_EX31_RM NumberOfBoxes : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : ABS-MULTY ProductSiteLaunchDate : 2021-05-31T01:00:22.479Z Style : PLA_EX31_Rainbow SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 35.274 UnspscCode : 44101700