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Riken and RMC Velcro disc (commonly known as hook and loop sanding disc) & PSA disc are made of abrasive paper, abrasive cloth, abrasive film and so on, bonded with Velcro, paper or film by resin. Velcro disc & PSA disc have a width application range, they can be used for grinding the wood, metal, lacquer, paint, plastic, auto repair, auto manufacture, aluminum alloy and so on. Generally speaking, Velcro is made by three parts, abrasive paper, backing cloth or film or paper, resin, Velcro backing. Velcro backed sanding discs are fitted to suitable backing pads and used on Pneumatic tools.

The safety requirements applicable to Velcro disc and PSA discs and their backing pads are laid down in the EN 13743 standard.

As they can be combined with a wide range of grain types and backing pad versions, Velcro backed sanding pads and PSA discs have a extensive scope of applications ranging from rough machining to finish grinding of surfaces. The benefits of Velcro discs and PSA discs, resulting in excellent adaptability, a fine and uniform scratch pattern  (compared to grinding discs) , first and foremost is their more affordable price.So they are widely used in many fields.

According to the abrasives grain, Velcro disc& PSA disc include Aluminum Oxide, Silicon Carbide, Zirconia, Ceramic and so on.

The size of Velcro disc& PSA disc include 4 inch, 4.5 inch, 5 inch (125mm，127mm), 6 inch（150mm，152mm）, 7 inch, 8 inch, 9 inch and so on.

The grit size of Velcro disc& PSA disc are P40-P3000. The most popular grit is P80, P120, P150, P180, P220, P240, P320, P400.

The hole pattern of RIKEN and RMC Velcro disc (hook and loop sanding disc) ,Pls check the followings, and other pattern can also be made by your requirement

As a professional abrasives supplier in China, ZIBO RIKEN has become many well-known international companies’long-term partners. We believe that achievement in Safety, Health and Environmental performance is a mindset, which begins daily and to be carried out through everything we do. Welcome to contact us for china abrasives.