The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Technical Datasheet | Supplied by CRP Technology
WINDFORM® PS by CRP Technology is a water-insoluble polystyrene based material present as odorless white fine powder. Exhibits improved surface quality and fine feature preservation. Offers reduced “curling” effect on the first layers and very low ash content, therefore well suited for highly reactive alloys, such as titanium, aluminum, magnesium, steel and nickel based alloys. Designed to work within regular rapid casting procedures, including autoclave and flash firing steps, low-temperature furnaces and vacuum plaster casting methods. It can be processed using selective laser sintering. Developed specifically to produce complex investment casting patterns. The sintered patterns are ideal for conventional wax infiltration, and are easy to handle and finish. WINDFORM® PS by CRP Technology is listed on the TSCA Inventory.
Product Type
PS or GPPS (Polystyrene)
Physical Form

WINDFORM® PS Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Density, Bulk
0.38 - 0.48 g/cm³
( )
ASTM D4164
Particle Size Average, d50
45 - 59 microns
( )
Laser diffraction (ISO 13320)
Particle Size Average, 90%
25 - 100 microns
( )
Laser diffraction (ISO 13320)
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