The auxiliary materials of the sealing strip are those.
Release time:
2022-05-11
Skeleton: the skeleton plays a supporting, clamping and fixing role in the sealing strip. The most commonly used skeletons are metal belt skeleton and steel wire wiring skeleton. The metal skeleton can be divided into punching, rolling and flat plates. The materials include low carbon steel, aluminum and aluminum-magnesium alloy. The structure is divided into single bridge, double bridge, stretching, symmetrical and asymmetrical types to meet the needs of different assembly processes such as manual, hammering and rolling tooling.
Skeleton: the skeleton plays a supporting, clamping and fixing role in the sealing strip. The most commonly used skeletons are metal belt skeleton and steel wire wiring skeleton. The metal skeleton can be divided into punching, rolling and flat plates. The materials include low carbon steel, aluminum and aluminum-magnesium alloy. The structure is divided into single bridge, double bridge, stretching, symmetrical and asymmetrical types to meet the needs of different assembly processes such as manual, hammering and rolling tooling. In recent years, lightweight and good followability skeletons have developed rapidly.
Flocking fluff: polyester fiber and nylon fiber with a fineness of 3-4D are usually used, and the color is mostly black. In recent years, color fluff has also been favored and applied.
Coating materials: Coating materials are divided into polyurethane and silicone resins, which have good wear-reducing effects. Most of the traditional coatings are organic solvents, which pollute the environment. The recently introduced water-based coatings not only have good appearance, but also can partially replace flocking. It has a good effect on reducing the coefficient of friction and is the development direction of coating materials.
Adhesive: It is a butyl glue without vulcanization system, which can maintain plasticity and adhesion for a long time, and plays an auxiliary sealing role in the clamping part of the door frame strip and the trunk sealing strip. Nitrogen-filled heat-melting adhesive has good sealing effect and can be applied to some special requirements.
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