by SpecialChem

POLYCAST™ 661

Technical Datasheet | Supplied by Polycast Industries (Delta Polymers)

POLYCAST™ 661 by Polycast Industries (Delta Polymers) is a low density epoxy resin. It is available as 100:15 parts (A & B) by weight. It can be cured at 75°F for 24 hrs. Exhibits low dielectric constant, good thermal insulation and low shrinkage. Suitable for use in lightweight and airborne equipments. POLYCAST™ 661 has a shelf life of 12 months at 70°F.

POLYCAST™ 661 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Durometer Hardness

(Shore D, Cured)

ASTM D2240

Tensile Strength

4000 psi

(Cured)

ASTM D638

Tensile Elongation

< 5 %

(Cured)

ASTM D638

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