Accession Number:



Compounded Rubbers and Rubber-Like Materials for Linings in Gasoline Tanks

Descriptive Note:

[Technical Report, Formal Report]

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On 27 February 1940 were received at this laboratory six samples of rubber or compounded rubber vulcanizates which had been prepared in view of the possible use of such materials as linings for gasoline tanks. Explanatory correspondence is attached hereto as Appendix A. Because of excellent resistance to many corrosive agents, rubber linings have long been contemplated for the protection of interior surfaces of gasoline containers. The use of rubber for this purpose is negated because of the pronounced solubility of rubber-substance in liquid hydrocarbon fuels, but in recent years synthetic rubber-like materials have appeared which are more or less free of this defect and have again aroused interest in these materials as protective coatings. Furthermore, reports have lately been circulated of new developments in self-sealing gasoline tanks, the functioning of which appears to depend Uon a layer of rubber-like material. This layer may be sandwiched between the metal walls of the tank and a protective layer of gasoline resistant material, or conceivably it could be applied to the exterior of the tank. In the presence of gasoline this substance is purported to swell rapidly so that when gasoline is released upon it through a puncture, the hole is effectively closed by the resultant swelling.

Subject Categories:

  • Fuels

Distribution Statement:

[A, Approved For Public Release]