窗户和门封

windows and doors sealing: 1. EPDM material used to make surface smooth and detailed 2. Good elasticity, good foam evenly, waterproof performance of first-class 3. Anti-ozone, anti-aging, bears the resolver performance to be good 4. The bulk specific gravity is light, the flexibility intensity is big, does not absorb water 5. The product environmental protection, the construction is simple, the anti-seepage, anti- leakage 6. Anti-corrosive, bears the aging, to bear the high low temperature +80 -45 flow, not to distort, the embrittlement, the service life to be long.