Dry goods sharing, one minute to take you to understand the main characteristics of GRS felt


GRS felt is mostly made of wool, but also useful cow hair or fiber, the use of processing and bonding, the main features are as follows: elastic, can be used as shockproof, sealing, gasket and elastic wire clothing bottom felt material. Used in mechanical anti-vibration, oil lubrication, friction resistance and other industries.


What are the main characteristics of GRS felt? Now let's find out.

1. It has elasticity and can be used as a material for shockproof, sealing, gasket and elastic steel wire clothing bottom felt. Good adhesion, not easy to loosen, can be die-cut into parts of various shapes. 2. Good thermal insulation performance, can be used as thermal insulation material, compact organization, small pores, can be used as a good filter material. 3, wear resistance is better, can be used as polishing material, full of certain elasticity, so by the principle of felting bonding, felting bonding by the size of the density, different specifications can be used separately. 4. Due to the dense density and stable performance of the felt, it can produce various felt parts by stamping. GRS felt has good stretchability and can reach the specified length. It can be used for leather roller belts and pulp suction belts in papermaking. 5. GRS felt has good warmth retention and can be made into felt insoles of various specifications. 6. Felt has moisture retention and elasticity. It can be made into automobile door and window sealing strips and door and window sealing strips. It does not need to be woven, so it has good filterability. It can be used for oil absorption and under the oil barrel of a ship. Most of us can use traditional felt to keep the ship clean. Felt is used for packaging design. Machine equipment parts have high whiteness, good shock resistance and sound reduction. The sound rate of various musical instruments can be modulated according to the size of felt.

What is the method of making GRS felt? Let's take a look.

Wool-screening (picking out the leather in the wool)-unburring (opening the purchased wool)-lifting (extracting impurities)-carbonizing-drying or drying-carding (carding)-laying (spreading the wool into a net)-rolling (rubbing the blank by a flat plate machine)-pounding (making the hardness of the felt blank)-shrinking (felt density treatment)-felt extrusion (the felt pressing machine smoothes the felt)-ramming the felt (secondary treatment of the felt density and cross force)-bleaching (adjusting the felt chromaticity to the customer's requirements for about 6 hours)-spinning-quality inspection-drying-high temperature shaping-mothproofing treatment-felt block products or felt pads-felt strips and other felt products-quality inspection-warehousing.

What is the specification of GRS felt? Let's find out.

According to the use of raw materials are divided into five categories: fine hair, semi-coarse hair, coarse hair, miscellaneous hair, animal hair. Note: The product has special requirements, and the raw materials used are not subject to this restriction. A2 number consists of five digits, with "-" in the middle of three or four digits. Each digit is explained as follows: A2.1, and the first digit indicates the color of the product.



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