Now there are many material’s caster on the market,different materials casters can be used in different environments. Select wheels which suitable for environments will extend caster wheels use life.

At current for several commonly used materials,there have a simple identification method.We call “Combustion method”,it can identify material according to combustion flame,smoke and smell of the ash.

High temperature Nylon ,Poly amide: combustion PA material, but after burning surface with white powder.

Polyvinyl chloride (PVC): easy combustion, combustion has the thick black smoke, pungent odor, non sticky filamentous, after combustion have black toner on surface.

Polypropylene (PP): easy to burn, a faint smell burning plastic, uniform surface melting, and thready.

Polyurethane (PU): easy to burn, burns with a faint white smoke, easy to melt, no irritating smell, sticky filamentous.

Nylon (PA): not easy to burn, burning hair smell of burnt, after burning surface blister shape, and thready.

There have many resolution method of castor material,"combustion method" is the one method only, we can also identify method according to their own understanding

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