PP honeycomb panel is made of two thin panels firmly bonded on both sides of a thick honeycomb core material, also known as honeycomb sandwich structure. In addition, honeycomb panel also refers to a large number of cutoff waveguides welded together to form a cutoff waveguide array, forming a large open area, while preventing electromagnetic leakage of the panel.

Now many materials of car interior are made of non-woven fabric, such as car ceiling, car mat, car interior board decoration and so on are made of non-woven fabric, so as car interior, non-woven fabric needs to have the several requirements, we sum up four points to understand.

Dry and wet roof mechanical properties are basically similar, dry process has the advantages of high efficiency and environmental protection, dry roof sensory slightly full; Wet process requires two sets of molds, secondary molding, stable shape, high efficiency, wet process usually uses solvent based adhesive, production process emissions of a large number of organic solvents environmental protection is not as good as dry method.

Needle-punched non-woven fabric is a kind of nonwoven fabric, is the polymer compound cut into fragments, immediately in accordance with the whirlwind or mechanical equipment laid chemical fiber, and then through spines, needle-punched or hot reinforcement, and finally combed into nonwoven fabric.

EVA sheet is the most widely used soft foam material in any industry at home and abroad. It is widely used and related to the basic industries of the national economy.

The application of automobile interior mold is very extensive, we drive daily when we generally only care about the comfort of automobile interior, few people care about the processing and manufacturing of automobile interior mold.

Needle-punched nonwovens are a kind of dry nonwovens. Staple fibers are loosened, carded and laid into a web, which is then reinforced into cloth with a needle. The needle has a hook, the fiber web is repeatedly punctured, and the hook is strengthened to form needled nonwovens.

Automobile interior non-woven fabric to meet what standards

Non-woven fabrics have no warp and weft threads, cutting and sewing are very convenient, and light weight, easy to shape, loved by handcraft lovers. Because it is a kind of don\'t need to be formed by spinning weaving fabric, just short textile fiber or filament for directional or random arrangement

Sponge composite is by heating, pressure, with adhesive to the same or not the same material of two or multiple layers combined as a whole method. The method of forming and processing multi-layer sponge composite cloth with water-based adhesive under heating and pressure of the drum of foam composite machine.