Hypro® 1300X40 ETBN

Hypro® 1300X40 ETBN

Hypro 1300X40 ETBN is a styrene diluted epoxy terminated butadiene – acrylonitrile copolymer, 50% by weight styrene, 50% by weight ETBN. 1300X40 ETBN is used predominantly by blending with vinyl ester or unsaturated polyester resin systems to enhance toughness.

Typical Properties Values
% Acrylonitrile 18
Viscosity, cps (reflect mid-point) 1450 @25°C
EEW,, g/eq 1,600-3,000
Molecular Weight (g/mol) 4230
Acid Number, % <1.5
% Solids 50 (styrene)
Elastomer Content, % 40 (80% of solids)
Specific Gravity @25oC 0.945
Application Group Application Description
Composites BMC Unsaturated Polyester Used to increase toughness, improve yeilds and surfaces.
Composites General Composites Unsaturated Polyester Increases fracture toughness in cast resins. Reduces resin cracking, resists damage under load.
Composites General Composites Vinyl Ester Composites Used to improve toughness.

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