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Glass fibre acid road tanker
Page 54
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• A breakthrough in the use of reinforced plastics for road tankers is claimed to have been achieved by the Purle Waste Disposal Group of Companies with a new 1,450ga1 tanker.
The new tanker was put through a rigorous test programme to evaluate its ability to carry corrosive wastes. It is a joint development by Purle and Always Welding Ltd., manufacturers of tanker bodywork.
Purle approached Always Welding with a new material which would combine long life, safety and also reduce the weight of the tanker.
The new tanker uses British Celanese polypropylene/glass fibre fabric laminate, which gives a high resistance t6 a wide range of chemicals.
Lined with Celmar, to which was applied the resin/glass lay-up reinforcement, the tanker combines the corrosion resistance of polypropylene lining with the lightweight strength of reinforced plastics.
The tanker was successfully tested over the Army vehicle testing track at Aldershot, carrying a full load.
During its trial a large variety of materials, including 20 per cent sulphuric acid with a high sulphate content, 30 per cent hydrochloric, nitric and chromic acids and light oils, were carried. In other tests the tanker ran with loads of solvents.
When compared with a conventional metal tanker the new fibre glass unit gives a weight saving of 8cwt.