... The most common applications include plastic bearings and rollers, ball bearings for furniture, micro-pumps for sprays, dispensers, pumps ... ) is an FDA approved plastic. It is more stress crack resistant than Polyethylene Low Density(LDPE).Polypropylene Balls ... solutions, solvents, gasoline (petrol), water, oils, greases, detergent, fruit juices and milk. It is not resistant to aromatic hydrocarbons ...