At present, the broken bridge aluminum doors and Windows of home decoration use more ethylene propylene three yuan seal strip or silicone rubber strip, and some greedy for cheap will use poor rubber sealing strip. The following are the characteristics of each material. The specific content is as follows:
1, ethylene three yuan (EPDM) sealing strip belongs to hard rubber, rubber inside a kind of excellent performance. It is anti-aging, anti-decay, ozone resistance, low temperature will not shrink, more stable, quality unchanged under the situation of sustainable use for more than ten years.
2. The silica gel sealing strip has good temperature resistance, can resist low temperature -70°, and high temperature resistance of more than 300°, relative to epDM sealing strip, soft and fit, good resilience, gloss.
3, rubber sealing strip, containing less glue, poor gloss, short use time, with a few years the sealing strip is aging.
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