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Polyacetal balls

Polyacetal balls  
 
Yuanke Steel Ball specializes in precision plastic balls,available in the following grades and materials.

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 0.050 0.025
3 0.005 0.005 0.127 0.127
4 0.015 N/A 0.381 N/A

 
Material Available
 
Item POM
Material Polyacetal
Density(g/cc) 1.42
Hardness (Rockwell R scale) 120
Wear resistant (kgf/cm2 ) 0.37
Wear Absorption(%) 0.22~0.25
Heat Resistance (°C) 160~170
Resistance to weak acid good
Resistance to strong acid poor
Resistance to weak alkali good
Resistance to strong alkali good
Resistance to organic solution good
Feature High strength and stiffness,enhanced dimensional stability, and is easy to machine
 
 
Main products
Steel ball Stainless Steel Balls Carbon Steel Balls Chrome Steel Balls Hollow balls Brass balls Grinding media Ceramic Balls Burnishing Media Bronze Balls Special Alloy Balls Plastic Balls Delrin Balls & Teflon Balls Polypropylene balls Nylon Balls Polyacetal balls