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CastForm® PS

Specialty Polystyrene

Supplied by 3D Systems

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Product Description
Directly produce complex investment casting patterns without tooling.
...for use with all selective laser sintering (SLS®) systems

APPLICATIONS
  • Create patterns directly rather than through indirect methods
  • Complex investment casting patterns
  • Reactive metals like titanium
  • Low melt-temperature metals such as aluminum, magnesium and zinc
  • Ferrous and non-ferrous metals
  • Economic, low-volume production castings without tooling
  • Smaller parts can be joined to create very large patterns
  • Sacrificial, expendable patterns

FEATURES
  • Functions like foundry wax and is "foundry friendly"
  • Low residual ash content (less than 0.02%)
  • Short burnout cycle
  • Easy-to-process plastic
  • Good plastic powder recycle characteristics

BENEFITS
  • Create complex patterns without welds or joints
  • Reduce lead times resulting in faster time-tomarket
  • Compatible with autoclaves, low-temperature furnaces, and vacuum plaster casting methods
  • Easy to assemble and repair patterns
  • Rapidly test new designs in iterative process

CastformTM PS patterns are comparable to conventional wax patterns in the following areas:
  • Assembly methods and tools
  • Stability and transportability
  • Handling during assembly and repair
  • Suitable for all cast metal alloys
  • Low residual ash
  • No ceramic shell cracking
  • Usable for ceramic and plaster molds
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Features 
  • Fast Molding Cycle
  • Good Processability
 
Uses 
  • Molds/Dies/Tools
  • Patterns
  • Prototyping
Forms 
  • Liquid
Processing Method 
  • Sintering
Physical
Nominal Value
Unit
Test Method
Specific Gravity
     
--
 
ASTM D792
--
g/cm³
ASTM D4164
Water Absorption (Equilibrium, 68°F, 65% RH)
%
ASTM D570
Ash Content
%
ASTM D482
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
ASTM D638
Tensile Strength (Ultimate)
psi
ASTM D638
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
ft·lb/in
ASTM D256
Unnotched Izod Impact
ft·lb/in
ASTM D256
Thermal
Nominal Value
Unit
Test Method
Glass Transition Temperature
°F
DMA
Melting Temperature 2
°F
 
Flammability
Nominal Value
Unit
Test Method
Flash Point
     
-- 3
°F
 
-- 4
°F
 
Additional Information
Nominal Value
Unit
Test Method
Auto-ignition 5
°F
 
Upward Surface 6
     
After Polishing
mil
 
As Processed
mil
 
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: CastForm® PS, CastForm PS, CastForm® , CastForm, CastFormPS, PS, Polystyrene, Specialty, Polystyrene Specialty, PS (Specialty), PS Specialty, Polystyrene, 3D Systems, PolystyreneSpecialty, PSSpecialty
Features
Features may also be described by the following terms: Fast Cycle, Rapid Cycle, Productivity, Fast Molding Cycle, Good Processability, Easy Processing.
Uses
Uses may also be described by the following terms: Molds/Dies/Tools, Molds, Dies, tools.
Notes
1Typical properties: these are not to be construed as specifications.
2Wax
3(Cleveland Open Cup), Polystyrene
4(Cleveland Open Cup), Wax
5Polystyrene
6Mitutoyo Surftest-402
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.