Brief analysis of the characteristics and application of PVC door and window anti-collision strips

In fact, in the actual production process of doors and windows, the investment of sealing strips accounts for a small proportion, but its role cannot be ignored. Just like waterproofing, sealing and energy saving, sound insulation, dustproofing, antifreeze, warmth, temperature resistance, and aging resistance, these functions cannot be ignored in daily life.

At present, the sealing strip market generally has modified PVC, vulcanized EPDM rubber sealing strips and thermoplastic EPDM rubber (EPDM/PP) strips. This article has a stable editor to focus on introducing PVC door and window anti-collision strips.

PVC products can be divided into hard products and soft products according to hardness. Hard products include various hard materials, plates, and special-shaped materials. Soft products include various films, soles, artificial leather, toys, sealing products, etc. According to different product requirements, PVC can be processed by different methods such as extrusion, injection molding, and blister molding.

Soft product processing process:

(I) High-filled PVC

Produced with recycled materials, the glue content is <25%, or even only 15-18%, and all indicators do not meet the requirements of GB/12002-8/, and have been expressly prohibited by the state.

(II) Ordinary PVC

Supplemented with PVC resin and mainly recycled materials, the glue content is between 25-40%

(III) Rubber modified PVC

Mainly PVC resin, modified rubber accounts for 15-20% of PVC resin. The modified PVC strips produced solve the problems of PVC strips such as plasticizer migration and low-temperature hardening. It can meet the sealing requirements within the range of -25℃-80℃.

Wengbang Sealing Strips is a company that specializes in producing door and window strips, shower room water retaining strips, furniture strips, decorative strips and door and window accessories. With 20 years of solid quality and service, it has won the recognition and praise of domestic customers. If you are interested in Wengbang Sealing Strips Factory, you can call our hotline: 0757-85560611. Website: http://www.wg1995.com/