1/2" Diameter Delrin (Acetal) Plastic Ball Bearings

In Stock

Other Names: POM, Acetal, Polyoxymethylene
Colour: Natural white
Sizes available: 1mm – 150mm

Hardness: Shore D 80-90
Density: 1.40 g/cm3
Standard Precision Grade: 2

Very light homopolymer thermoplastic resin balls, they provide good mechanical characteristics, corrosion resistance, wear and abrasion resistance. They are even good electric insulators and auto lubricant materials.

Delrin is resistant to basic, neutral and average acid compounds, sea water, petroleum products, mineral oils and greases, inorganic salt solutions, aliphatic, aromatic and chlorine hydrocarbons, low gradation alcohols, ether. It's not resistant to strong acids (hydrochloric, phosphoric, nitric and sulphuric), mineral acids, chlorides, alkalis.

Applications include: Spray agitators, light safety valves, low load bearings. Special pumps and valves, sliding rails for furniture, fluids flow check devices, medical instruments. They are used in foodstuff, chemical, electronic, pharmaceutical industry.