Smooth-Cast™ 327

1 of 14 products in this brand

Smooth-Cast™ 327 is fast-cast resin that were developed specifically for adding color pigments and fillers to achieve true color representation or filler effect. The ColorMatch™ Series is formulated “color neutral”. Small amounts of pigment will yield accurate, vivid colors from cured castings using So-Strong™, UVO™ or Ignite™ colorants. The ColorMatch™ Series offers the convenience of a 1A: 1B mix ratio by volume and has a very low viscosity. Demold times range from about 10 minutes to 2-4 hours (depending on product, mass and mold configuration). Note: Large mass castings will get very hot and shrink more, depending on mold configuration.

Polymer Name: Polyurethane (unspecified)

Processing Methods: Casting

End Uses: Jewelry, Modeling Material, Prototyping

Density: 1070.0 - 1070.0 kg/m³

Tensile Strength: 21.8413 - 21.8413 MPa

Technical Data Sheet Safety Data Sheet

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Identification & Functionality

Chemical Family: Polyurethanes (PU),
Urethanes
Polymer Name: Polyurethane (unspecified)
Plastics & Elastomers Functions: Resin
Technologies: Plastics
Product Families: Plastics — Thermoset Resins
Polyurethanes

Features & Benefits

Materials Features: Low Viscosity

Applications & Uses

Markets: Consumer Goods,
Industrial
Applications: Industrial — Chemical & Industrial Manufacturing
Tooling & Moldmaking
Consumer Goods — Other Consumer Goods Applications
Plastics & Elastomers End Uses: Jewelry,
Modeling Material,
Prototyping
Plastics & Elastomers Processing Methods: Casting

Properties

Typical Properties

	Value	Units	Test Method / Conditions
Pot Life at 73°F (23°C)	10-20	Minute	ASTM D-2471
Cure Time at 73°F (23°C)	2-4	Hr	—
Tensile Strength	3170	psi	ASTM D-638
Tensile Modulus	140000	psi	ASTM D-638
Elongation at Break	10	%	ASTM D-638
Flexural Strength	3100	psi	ASTM D-790
Flexural Modulus	95700	psi	ASTM D-790
Compressive Strength	3080	psi	ASTM D-695
Compressive Modulus	32200	psi	ASTM D-695
Shrinkage	0.0075	in./in.	ASTM D-2566
Mix Ratio	1A:1B (115A:100B)	by volume (by weight)	—
Mixed Viscosity	100	cps	ASTM D-2393
Specific Gravity	1.07	g/cc	ASTM D-1475
Specific Volume	25.9	cu. in./lb	ASTM D-1475
Hardness	72	Shore D	ASTM D-2240
Heat Deflection Temp	120 (50)	°F (°C)	ASTM D-638

Smooth-Cast™ 327

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