Precision Solid PP Plastic Balls Polypropylene Sealing Rolling Beads 2mm to 40mm

Description

Ø 2 mm to Ø 40 mm
High precision Solid PP Plastic Balls Polypropylene Sealing Rolling Bead Hobby Model Craft Art Spheres
High-quality raw materials, safety, solid, industrial grade, high precision, tolerance of about ±0.02mm, good wear and durability.
It has good chemical resistance, low density (less than water), low water absorption, and the highest melting point thermoplastic, has excellent electrical insulators and low dielectric coefficient, and also has high chemical resistance, such as acid, Alkali, alcohol, many inorganic substances, salt solutions, solvents, gasoline, water, oil, grease, detergent, juice, milk, etc., but not resistant to aromatic hydrocarbons and chlorates.
Excellent workmanship, fine grinding and polishing on the surface. Round and smooth without burrs.
Used for cosmetic bottles, liquid level calibration indicator, in petroleum or acid-alkaline liquids, etc.
● Standard: GB/T
● Material: Polypropylene  (PP)
● Solid
● Colour: Natural
● Density: approx 0.91g/cm3
● High temperature resistance 120℃
● Tolerance: ±0.02 mm
● Ball Size:
2 mm, 2.381 mm, 3 mm, 3.175 mm, 3.5 mm, 3.969 mm, 4 mm, 4.5 mm, 4.763 mm, 5 mm, 5.556 mm, 6 mm, 6.35 mm, 7 mm, 7.144 mm, 7.85 mm, 8 mm, 9 mm, 9.525 mm, 9.8 mm, 10 mm, 12 mm, 12.7 mm, 14 mm, 15 mm, 15.875 mm, 18 mm, 25 mm, 25.4 mm, 30 mm, 35 mm, 38.1 mm