الوصف

Foam products are lightweight, heat preservation, sound insulation and shock proof materials, which are widely used in packaging, heat preservation, shock prevention and other fields. Among foam products, the large *-shaped door strip is a common foam profile, which is usually used to make large thermal insulation walls, roofs, doors and windows and other building structures.

The big *-shaped gate bar is a foam profile with the shape of a "7". Its shape is similar to a "7", so it is named. This profile is usually made of foam materials such as polyurethane or polystyrene, which has high thermal insulation performance and strong structural strength.