Main Products: steel ball for bearing ,stainless steel ball ,ceramic ball ,abrasive ,bearing
11.509mm 15.875mm plastic balls PP PA POM PTFE
Negotiable /Ton
Min.Order:1 Ton
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Business Type: Trading Company
Zibo Shandong ChinaMain Products: steel ball for bearing ,stainless steel ball ,ceramic ball ,abrasive ,bearingProduct Details
11.509mm 15.875mm plastic balls PP PA POM PTFE
Excellent mechanical and chemical resistance
Good elecrical properties
High quality, different size and competitive price
OEM is accpetable
Plastic Ball(PA66)
| Material |
Nylon 66
|
| Grade |
G0-G3
|
Size |
1mm-150mm
|
| Density |
1.15 g/cm³
|
| Feature |
The nylon has preferably the alkali metal to adapt to the neutral characteristics of petroleum products and all kinds of chemical products.
|
| Application |
It is used in check valve, light load, the knob pull switch, low-cost. but also for better flexibility requirements, high hardness aspects
|
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
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