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Polypropylene balls (PP Balls)
	Polypropylene ball Low weight and water absorption. They are used in fluid level gauges, flowmeters, valves, blood transfusion kits, apor and evaporation shields in electrolityc solutions and all applications requiring good corrosion resistance.
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 PP Ball (Polypropylene Ball) Material Polypropylene Density(g/cc) 0.91 Hardness (Rockwell R scale) 90 Wear resistant (kgf/cm2 ) 385~560 Wear Absorption(%) 0.03 Heat Resistance (掳C) 120 Resistance to weak acid excellent Resistance to strong acid fair Resistance to weak alkali excellent Resistance to strong alkali good Resistance to organic solution good Feature Light weight,good dielectric;good tensile strength Colors easily, Matte surface finish
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