WTB-0.5 rubber rebound impact testing machine is a 0.5J pendulum impact elastic testing machine, suitable for determining the rebound value of vulcanized rubber with a hardness between 30 and 85 IRHD. The rubber rebound impact tester meets the requirements of GB/T 1681 "Determination of the resilience of vulcanized rubber" and ISO4662 standards. product details product description: It is a potential energy 0.5J pendulum impact elasticity testing machine, suitable for measuring the rebound value of vulcanized rubber with a hardness of 30～85IRHD. The rubber rebound impact tester meets the requirements of GB/T 1681 "Determination of the resilience of vulcanized rubber" and ISO4662 standards. technical parameter: 1. Punch diameter: Ф15mm 2. Impact quality: 0.350-0.1Kg 3. Rebound indication error: ±0.5% 4. Specimen specification: Φ29mm×12.5mm 5. Impact speed: 1.4+0.6m/s 6. Performance strain energy density: 351+112kJ/m3