Sealant strip has a lot on the market, how to discern sealant strip stand or fall? Method is very simple, the following to understand the specific bar.

One, smell with the nose whether have peculiar smell, normal PVC material will have a little son alcohol taste, almost very little smell.

Second, the sealing strip as tight as possible wrapped in the profile, placed in a high temperature for a period of time (on the roof or sunny place). Look at the surface of the profile and the contact surface of the seal is dirty discoloration, the surface of the dust of the seal is yellow (oil is very easy to absorb soil) seepage oil, whether contaminated hands dirty hands.

Three, specific gravity. Cheap seal outside light is not bright, see specific gravity, how many meters per kilogram. Some manufacturers in order to pursue greater output, will use talc, heavy calcium and so on, join the sealing strip of heavy calcium, stretch will have a small amount of white powder.

The specific gravity of sealant strip is small, but effect cannot ignore, basically use on door window, assure the airtightness of door window. Hongfeng vehicle parts co., LTD is the manufacturer of sealing strip, our company has Italy's advanced microwave vulcanization line, all kinds of sealing strip mold more than 10000, has formed a raw material preparation, mold development, product forming one-stop production mode. With domestic Beijing, tianjin, Shanghai, guangzhou, shenzhen, Qingdao and other more than 200 plastic steel doors and Windows, glass curtain wall decoration company, automobile, train, aircraft, ship manufacturers to establish a solid supporting supply and demand, long-term cooperation.