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Chemical resistance

Powder coated

We have powder coated castors specially designed for corrosive environments (particularly shower chair applications). Our powder coated castors are first zinc plated and then powder coated so as to better resist corrosion from substances such as alkaline soaps and other cleaning agents. The castors have stainless steel bottom races and twin ball races with stainless steel balls covered by a diaphragm shroud to stop water entering from above (the top race is zinc plated only). The castors are powder coated in Interpon colour “Anodic Natural Matte”. The wheels are available with a plain PBT (corrosion free) bush or a stainless steel precision bearing. Thread guards prevent the build-up of hair and lint.

Stainless steel

Our stainless steel castors are the premium castors for corrosive environments. With a wide range of styles and load capacities available, we have castors to suit almost all corrosive applications. All castors in our stainless steel range are completely corrosionfree with all metal components made from stainless steel.

Chemical resistance

The castors and wheels we make have worked well for many years in many uses and places around the world. However, sometimes you may want to apply them in places more corrosive than the usual industrial environment. In the table below, we lay out what can be expected from some of the more severe chemicals used, and ask that if you plan to use our products under severe conditions that you contact us with full details beforehand and we will be pleased to advise you.

Chemical resistance rating

Polyurethane Nylon Thermoplastic Elastomer Rubber Polypropylene Cast Iron Stainless Steel
Sulphuric acid 10% Good Good Good Poor Good Poor Fair
Hydrochloric acid 10% Fair Poor Fair Poor Fair Poor Poor
Nitric acid 10% Poor Poor Fair Poor Good Poor Good
Methyl alcohol Fair Good Good Fair Good Good Good
Sodium hydroxide 20% Fair–Poor Good Good Fair Good Good Good
Gasoline 100% Good Good Fair Poor Fair Good Good
Ethylene glycol Good Good Fair Poor Fair Good Good
Brake fluid Fair–Poor Good Good Poor Good Good Good
Sodium chloride (salt), including marine environments Good Good Good Good Good Good Poor
Carbon tetrachloride Fair Poor Good Poor Fair Fair Good–Fair
Fresh water immersion Good Poor Good Good Good Good Good
Dry heat 10% Good Good Good Good Good Good Good
Outdoor weathering Good Good Good Good Good Good Good
Fallshaw Wheels & Castors is a member of the Fallshaw Group