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ULTRALLOY™ 3311

Technical Datasheet | Supplied by Hapco

ULTRALLOY™ 3311 by Hapco is a flame retardant (UL94 V-O), liquid molding polyurethane resin. It is available as 100:100 solution by volume A:B and 100:95 solution by weight A:B. Possesses high physical properties and high strength. Designed for industrial, electrical and prototyping applications. Complies with RoHS Directive (EU) 2011/65. ULTRALLOY™ 3311 has a shelf life of six months.

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Product Type

PUR (Thermoset Polyurethane Resin)

Physical Form

Liquid

Appearance

Amber/ Translucent

Access full datasheet

ULTRALLOY™ 3311 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Gel time

4 min

(100 grams at 25°C)

ASTM D-2971

Demold Time

2 - 4 hr

(at 70°F, 1/8” thickness)

HAPCO TEST

Weight per cubic inch

0.0433 lbs

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