... prevent scrape 4.used for LPG/CNG mixers Composite mixer diaphragm, the bottom silicone rubber, fiber layer, top of silicone ... support structure strengthened the composite mixer the shape of the diaphragm, double silicone rubber longer life, fiber layer for longer ... LPG engine cost reduction, the replacement of the cycle of diaphragm mixer extend, at the same time, flame retardant, good effect ...