MYG
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The 4inch White Non-woven Nylon Grinding Disc is a professional precision polishing tool independently developed by MYG, which is specially tailored for hand polishing machines. Different from traditional abrasive tools, it adopts a special non-woven nylon structure, which has the characteristics of low damage and high precision during polishing. It is especially suitable for processing scenarios where large polishing machines are not easy to operate, such as the surface treatment of plastic workpieces, the matte finish polishing of electroplated metal parts, and the fine polishing of glass products. With its excellent performance and stable quality, it has become the preferred product for many manufacturers in the fields of plastic processing and glass manufacturing.

The unique abrasive formula ensures that no scratches are left on the surface of plastic and glass workpieces during polishing. It can effectively remove the surface burrs and unevenness of plastic products, and make the glass surface more smooth and transparent, which is an ideal choice for precision polishing of high-quality products.
For electroplated metal parts that need to achieve a matte finish, this grinding disc can form a uniform and delicate matte effect on the metal surface, improving the texture and grade of the product without damaging the electroplated layer.
With a fixed safe rotation speed of 3000RPM, the grinding disc can maintain stable performance during long-term continuous operation. Avoiding the problem of unstable polishing effect caused by speed changes, and ensuring the consistency of batch processing products.
The core abrasive materials of the 4inch White Non-woven Nylon Grinding Disc are white corundum and aluminum oxide. These two abrasives have moderate hardness and good grinding performance, which can achieve precise polishing while minimizing the damage to the workpiece surface. The base material is high-quality non-woven nylon fiber, which has good wear resistance and flexibility. The inner diameter is equipped with a 16mm plastic cap by default, and a 22mm glass fiber cap can be customized to further improve the stability and firmness during high-speed rotation.
Parameters | Values | Customization |
Outer diameter | 4inch | 7.5CM - 17.5CM (3 inch - 7inch) |
Width | 12mm | 0.5CM - 3CM (0.2 inch - 1.2inch) |
Inner diameter & Materials | Plastic cap:16mm | 22mm (Glass fiber cap) |
Grit size | 180# | 240#, etc. |
Density or hardness | 7P | 5P/9P |
Color | White | Red and grey, etc. |
Speed | 3000RPM | 3000RPM |
It is widely used in the surface polishing of various plastic workpieces, such as plastic shells of electronic products, plastic parts of household appliances, and plastic toys. It can remove the injection molding marks and burrs on the plastic surface, making the product surface more smooth and delicate.
For electroplated metal parts in industries such as hardware, automobiles, and furniture, this grinding disc can achieve a perfect matte finish effect, making the product have a unique visual effect and touch feeling, and enhancing the market competitiveness of the product.
Suitable for the fine polishing of glass products such as glass cups, glass decorations, and glass instrument parts. It can effectively improve the transparency and finish of the glass surface without leaving scratches, ensuring the quality of glass products.
Before use, carefully check whether the grinding disc has cracks, holes, or other defects. At the same time, confirm that the model of the hand polishing machine matches the grinding disc, and ensure that the connection between the grinding disc and the machine is firm to prevent slipping during operation.
When polishing plastic and glass workpieces, the pressure should be light and uniform to avoid excessive pressure causing damage to the workpiece surface. The rotation speed of the polishing machine should be strictly controlled at 3000RPM, and it is forbidden to adjust the speed without permission. During the polishing process, it is recommended to move the grinding disc continuously to avoid local overheating affecting the polishing effect.
After use, clean the residual debris on the surface of the grinding disc with a clean cloth, and store it in a dry, cool and dust-free environment. Avoid contact with sharp objects to prevent damage to the abrasive surface of the grinding disc.
Yes. The grinding disc has excellent flexibility and can closely fit the curved surface of glass for polishing. It can achieve a uniform polishing effect on curved glass surfaces such as glass lenses and glass bottles without leaving dead corners.
For general plastic materials, the default 180# grit size can meet the polishing needs. If you need a higher precision polishing effect, you can choose a finer 240# grit size. Our professional technical team can also provide you with personalized selection suggestions according to your specific plastic materials.
No. The abrasive materials of the grinding disc are carefully selected, with moderate hardness. When used correctly according to the operating specifications, it can achieve a matte finish effect on the premise of not damaging the electroplated layer.
The plastic cap is light in weight and low in cost, which is suitable for general processing scenarios. The glass fiber cap has higher strength and better heat resistance, which can maintain stable performance in long-term high-intensity processing, and is suitable for batch production scenarios.
Are you in urgent need of a precision polishing tool for plastics, glass and electroplated metal parts? The 4inch White Non-woven Nylon Grinding Disc can perfectly meet your needs! We provide comprehensive customization services, and can adjust parameters such as grit size and inner diameter according to your processing requirements. Get a Quote Today to enjoy preferential factory prices, or click Add to Your Cart Immediately to experience our high-quality products. We are committed to providing you with the best polishing solutions and helping your products stand out in the market!