Car sealing strip composition and application

There is a very important car body sealing member is made of a synthetic rubber seal, also known as protective molding gibs. Mainly used in door frames, side windows, front and rear windshield, hood and trunk lid, make the seal, the other also played vibration protection.
Production of sealing material is mainly polyvinyl chloride (PVC), ethylene propylene rubber (EPDM), synthetic rubber-modified polypropylene (PP-EPDM), etc., By extrusion molding or injection molding method is made.
Compartment door plastic seals mainly refers to the door frame and the door seal head and said seal. Door seal by definition is mounted on the door frame seal. Door seal not only to ensure tightness, but also bear the impact force when closed, hence it must be flexible, but also toughness, mainly by the dense gel matrix and sponge rubber foam tube composed of two parts. Dense gel containing metal skeleton, serve to strengthen the stereotypical strip and fixation. Sponge rubber foam tube is soft and elastic, plays compression deformation , pressure relief bounce function. In addition, some seal lip portion constituted by the color or affixed with glue fabric, color and beautiful decorative effect.
Door head and said seal structure, there are two, one for the whole sponge rubber foam tube, and another by a dense rubber and sponge rubber matrix composition. This seal glue or embedded in the door, and the door seal with, in order to increase the door and the body of the seal security  Door seal head and said not every car are used, such as some economy cars would not, mainly from cost savings considerations.
Bonnet sealing strip made of pure foam sponge rubber sponge rubber foam tube or pipe and compacting plastic composite structure for the engine cover with the front section of the seal. Trunk lid or rear door seal by a dense skeleton containing gum base and sponge rubber foam tubes that can withstand a certain impact, ensure that the back cover is closed seal.
There are front and rear window seal of windshield seals, glass run channel and window seals inside and outside bar.