Now more and more rubber products manufacturers began to use recycled rubber production foam seal, the largest is EPDM reclaimed rubber. EPDM renewable rubber High temperature, ozone resistance, anti-aging, the production of foam sealing products sealing effect, stable performance, long life, the price is relatively low, so welcomed by the people. Rubber products enterprises in the use of EPDM renewable plastic foam seal production, we should note the following questions:
1, EPDM reclaimed rubber production foam sealing strip vulcanization system is the best choice of sulfur vulcanization, the amount of sulfur control in about 1.5-3 copies; vulcanized with sulfur vulcanization EPDM rubber compounds of high tensile strength , Good wear resistance, anti-flex cracking crack, not prone to scorching; foam seal the hardness can also be adjusted by changing the amount of sulfur.
2, the type and quality of blowing agent directly affect the use of EPDM foam sealing performance, in the choice of blowing agent, foam sealing products according to the needs of the product to choose the right kind of foam, the best choice of chemical Stability, easy to store the foaming agent products; the use of EPDM reclaimed rubber to produce environmentally friendly foam sealing, the production process to choose non-toxic, non-irritating smell of environmentally friendly foaming agent products, to ensure that the seal Article from the raw materials to additives non-toxic, tasteless, non-polluting; foaming agent product decomposition speed, gas volume, can be adjusted at any time, heat decomposition is less; if conditions use uniform particle size, easy to disperse spherical foaming agent , Can be fully decomposed.
3, EPDM reclaimed rubber quality is the most important factor affecting the performance of foam sealing products, its choice can be said that foam sealing strip production in the "infrastructure project", so according to the needs of foam sealing strip select the regular manufacturers Of EPDM reclaimed rubber is very important; if you want to use EPDM reclaimed rubber production of high standard foam seal, the choice of high quality EPDM reclaimed rubber on the basis of the best to add a certain amount of ternary B C propylene rubber to improve the formula of the regular foam seal containing the amount of plastic, significantly improve the EPDM foam reclaimed rubber sealing performance.
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