1. Modified PVC Rubber Strip
The price is relatively low, because the quality is different, the price is generally 6000 yuan 15000 yuan/ton. Low-end products due to the use of scrap, plasticizer and high filling volume, to make the rubber strip elasticity, easy to hair hard, there is a nose, easy to migrate so that the box material yellow, the service life is short. A handful of door and window enterprises at lower price competition are still in use. Middle and high-end PVC strip can reach the standard index, the service life is also relatively long.
2. Thermoplastic EPDM rubber Sealing strip
The sealing strip is a new material developed from foreign technology and domestic independent research and development in recent years, which is mainly used for sealing strip of automobile doors and windows, and has been used in building doors and windows in recent years.
3. EPDM Rubber Sealing Strip
In the sealing elastic durability than PVC rubber bar has a great strengthening, but because of the need for microwave curing line stereotypes, processing energy consumption is high, is usually more than 20 times times the processing of PVC, products can not be used, not environmental protection, not the national advocacy products. In addition, this kind of product material specific gravity (more than 1.4) and PVC class (lower-end vulcanized EPDM rubber Strip proportion greater) window rate and PVC rubber strip similar, the use of relatively high cost, door and window enterprises difficult to accept.
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