CastForm™ PS

About
A styrene-based, expendable pattern casting material, compatible with most standard foundry processes. 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-to-market Compatible with autoclaves, low-temperature furnaces, and vacuum plaster casting methods Easy to assemble and repair patterns Rapidly test new designs in iterative process&&

About

A styrene-based, expendable pattern casting material, compatible with most standard foundry processes. 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-to-market Compatible with autoclaves, low-temperature furnaces, and vacuum plaster casting methods Easy to assemble and repair patterns Rapidly test new designs in iterative process&&

Product Description
Generic	PS (special type)
Material Status	Commercial: Active
Features	Excellent Processability,High purity
Availabilitys	North America,Asia Pacific,Europe
Process Methods	3D Printing, Laser Sintering/Melting

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density
—	0.860	g/cm³	ASTM D792
—	0.460	g/cm³	ASTM D4164
Water absorption rate
Equilibrium, 20 ℃, 65% RH	0.060	%	ASTM D570
Ash Content	0.020	%	ASTM D482

MECHANICAL	Nominal value	Unit	Test method
Tensile modulus	1600	MPa	ASTM D638
tensile strength
limit	2.84	MPa	ASTM D638

IMPACT	Nominal value	Unit	Test method
Impact strength of cantilever beam notch	< 11	J/m	ASTM D256
Notched impact strength of cantilever beam	14	J/m	ASTM D256

THERMAL	Nominal value	Unit	Test method
Glass transition temperature	89.0	℃	ASTM D3418
Melting temperature	> 63.0	℃

FLAME CHARACTERISTICS	Nominal value	Unit
Flash Point – Cleveland Open Cup
—	350	℃
—	> 200	℃

Supplementary information	Nominal value	Unit
Auto（ignition）	410	℃
Upward Surface
After polishing	3.0	µm
As Processed	13.0	µm

Notes
1. Typical properties: these are not to be construed as specifications.
2. 20°C
3. Tap
4. Wax
5. Polystyrene
6. Mitutoyo Surftest-402
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