Polypropylene PP Solid Plastic Balls, Precision Bearing Ball 2mm 3mm 4mm-50mm

Material: Polypropylene ( PP ). High resistance to chemicals, such as acids, alkalis, alcohol, many inorganic substances, salt solutions, solvents, gasoline, water, oil, grease, detergent, juice, milk, etc., but not resistant to aromatic hydrocarbons and chloric acid.

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