Home > Products > Plastic ball > 2014 popular polyacetal balls POM plastic ball for bearing
2014 popular polyacetal balls POM plastic ball for bearing
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Product Details
Place of Origin: | China | Brand Name: | NAAO | Material: | Other, POM, POM |
Product Description
2014 popular polyacetal balls POM plastic ball for bearing
Excellent mechanical and chemical resistance
Good elecrical properties
High quality, different size and competitive price
OEM is accpetable
Plastic Ball(POM)
Material |
Polyacetal
|
Grade |
G0-G3
|
Size |
1mm-50.8mm
|
Density |
1.4-1.6g/cm³
|
Feature |
Aceral resin with excellent mechanical, chemical resistance and good electrical properties. it is similar to nylon but slightly harder and denser. Recommended for applications where these properties and low water absorption are required.
|
Application |
balls made of this material are often used for sliding fittings of tables and drawers, bearings, rollers, valves and electronic components, sailing apparatus.
|
Application Grade and Tolerance
Grade | Diameter Tolerance | Roundness Tolerance | Diameter Tolerance | Roundness Tolerance |
unit | inch | inch | mm | mm |
0 | +/-0.0005 | 0.0005 | +/-0.0127 | 0.0063 |
1 | +/-0.001 | 0.0005 | +/-0.0254 | 0.0127 |
2 | +/-0.002 | 0.001 | +/-0.05 | 0.025 |
3 | +/-0.005 | 0.005 | +/-0.127 | 0.127 |
Material and Characteristics
Item | POM | PA66 | PP | Delrin AE |
Material | Polyacetal | Nylon 66 | Polypropylene | 20% Teflon + 80% Delrin |
Density(g/cm³) | 1.42 | 1.14 | 0.91 | 1.5 |
Hardness | 120 | 110 | 90 | 115 |
(Rockwell R scale) | ||||
Wear resistant | 0.37 | 0.18 | 385-560 | 0.19 |
(kgf/cm²) | ||||
Wear Absorption(%) | 0.22-0.25 | 8.4 | 0.03 | 0.2 |
Heat Resistance(℃) | 160-170 | 180-230 | 120 | 340 |
Resistance to weak acid | good | fair | excellent | good |
Resistance to strong acid | poor | poor | fair | fair |
Resistance to weak alkali | good | excellent | excellent | good |
Resistance to strong alkali | good | good | good | good |
Resistance to organic solution | good | good | good | good |
Feature | High strength and stiffness, enhanced dimensional stability and is easy to machine | Excellent wear resistance, good tensile strength; high durability | Light weight, good dielectric, good tensile strength. Color easily, Matte surface finish | Good wear, heat resistance; good corrosion resistance, Dark brown color |
Each type ball has its special production process. However, the production process can be generalized as following:
Quality Control
Contact Us
- Zibo Naao Trading Co., Ltd.
- Contact nameelaine sun
- Phone86-533-3571897
- AddressZHANGDIAN Zibo,Shandong
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