Flame Resistant Rubber

1. 
   

   	JF-1545Z	JF-1555Z	JF-1565Z	JF-1575Z
   Density, g/cm3	1.30±0.05	1.40±0.05	1.45±0.05	1.50±0.05
   Shore Hardness,	40±2	50±2	60±2	70±2
   Tensile Strength, Mpa        ≥	4.5	5	5.5	5.5
   Elongation at rupture, %        ≥	400	300	250	220
   Permanent deformation at break, %      ≤	4	4	4	4
   Tear strength, KN/m       ≥	14	15	15	15
   Volume resistivity, Ωcm     ≥	1.0×1013
   Dielectric strength, Kv/mm       ≥	18
   Flame retardant level	FV-0	FV-0	FV-0	FV-0
   Resilience  ≥%	55	53	50	45

   Indexes of Physical and mechanical performance  are from   once vulcanization, Indexes ofelectrical performance  are from secondary vulcanization.
   Condition of  once vulcanization: 175℃Χ5min;  Condition of  secondary vulcanization: 200℃ⅹ2hr
   Vulcanizing agent:  2,5-Dimethyl-2,5-di(tert-butyl peroxy) hexane (active matter is 80%); Dosage 0.7%