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ULTRALLOY™ 304-60

ULTRALLOY™ 304-60 by Hapco is a flame retardant (UL94 V-O), liquid molding polyurethane casting resin. It is available as 100:107 solution by volume A:B and 100:100 solution by weight A:B. Designed for cast prototypes, production parts, aftermarket parts and medical devices. Complies with RoHS Directive (EU) 2011/65. ULTRALLOY™ 304-60 has a shelf life of six months.

ULTRALLOY™ 304-60 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Viscosity

250 - 350 cps

(at 25°C)

ASTM D-4878

Linear Mold Shrinkage

0.001 - 0.004 inch/inch

ASTM D-2566

Demold Time

16 - 24 hr

(at 70°F, 1/8” thickness)

HAPCO TEST

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