MSE PRO™ Polypropylene Grinding Media Balls

Polypropylene balls are featured by a low weight, good mechanical characteristics and
corrosion, fatigue and collisions resistance. They are resisting to heat and excellent electric insulators. They are floating into water. Additives can be added to avoid degradation phenomena causing to a long exposure at sun light (UV radiation absorption).
It is a recyclable material.
Please note: chromatic appearance of the balls may be subject to variation.

Applications:

Low load bearings, special valves, check valves, floating valves, fluid level indicators,
carburetors, flow meters, chemical, medical and laboratory devices, blood transfusion kits.
Corrosion Resistance
Polypropylene balls are resisting into not concentrated acids, alcohols, oils, greases and
most inorganic compounds. Fair resistance in aromatic hydrocarbons, they are not resistant in contact with halogens. They provide corrosive phenomena even in presence of concentrated acids and oxidizing agents at high temperature.

Product #	Size (mm)	Quantity
BA1001	3	1 - kg Approx. - 81,740 balls
BA1002	5	1 - kg, Approx. - 17,656 balls
BA1003	10	1 - kg, Approx. - 2,207 balls
BA1004	12.7	1 - kg, Approx. - 1,109 balls
BA1005	15	1 - kg, Approx. - 673 balls
BA1006	20	1- kg Approx. - 284 balls
BA1007	25	1 - kg, Approx. - 145 balls

Properties of Polypropylene Grinding Media Balls

Density: 0.87-0.9 g/cm3
Young's modulus: 1425 MPa
Friction coefficient: 0.3
Water adsorption: 0.01 %
Coefficient of linear thermal expansion: 135 10^-6/℃
Thermal conductivity: 0.19 W/(m·K)
Volume resistivity: > 10^14 Ω*m
Hardness: 70 - 80 Shore D
Compressive yield strength: 40 - 50 MPa
Service temperature: -22 / 230 ºF

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