120 to +20 ☌ (with liquid nitrogen tank) The Temperature Retraction (TR) and Brittleness Point Tester is also employed for the determination of the temperature at which plastics and elastomers demonstrate failure (by impact) when brittle, as described in ASTM D746 “Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact.”ĬCSi manufactures the test specimen cutting dies for ASTM D746 Types I, II, and III, D1329 (25, 38, and 51 mm), and D2137 Types A and B.ġ Related Methods, Temperature Retraction (TR) Test:Ģ Related Methods, Brittleness Point Test: The instrument is also designed the for the determination of the lowest temperature at which rubber vulcanizates and rubber coated fabrics will not exhibit fractures or coating cracks when subjected to specified impact conditions, as described in ASTM D2137 “Standard Test Methods for Rubber Property-Brittleness Point of Flexible Polymers and Coated Fabrics.” 2 CCSi features the Gibitre™ Temperature Retraction (TR) and Brittleness Point Tester for the evaluation of the effects of crystallization and for the comparison of the viscoelastic properties of rubber and rubber-like materials at low temperatures, as described in ASTM D1329, “Standard Test Method for Evaluating Rubber Property-Retraction at Lower Temperatures (TR Test).” 1
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