vulcanized rubber low-temperature brittleness testing chamber by single test piece method

DCL-5003 Rubber Low Temperature Brittleness Testing Machine vulcanized rubber low-temperature brittleness testing chamber by single test piece method,vulcanized rubber cold brittleness testing chamber by single test piece method Main Technical Parameters 2.1. Temperature range: room temperature ~ -60 ℃ (room temperature ≤ 25 ℃) 2.2. Temperature accuracy: ± 0.5 ℃ 2.3. Cooling speed: room temperature ~ 0 ℃ about 1.5 ℃ / min 0 ℃ ~ -20 ℃ about 1.2 ℃ / min -20 ℃ ~ -40 ℃ about 1.0