Compatibility of Elastomers with Fuel Anti-Icing Additive.
AERONAUTICAL SYSTEMS DIV WRIGHT-PATTERSON AFB OHIO NONMETALLIC MATERIALS LAB
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A study of the non-correlation between laboratory and flight test data of the Phillips Petroleum Companys Anti-icing Additive No. 52 and of the compatibility of all elastomeric materials with this additive is presented. This study was prompted by the deterioration during flight tests of the buna-N-phenolic resin topcoat material used as a protective coating in the aircraft integral fuel tanks. Available laboratory tests did not predict this development. The No. 52 additive in its present form cannot be used due to lack of compatibility. Methods are given for future compatibility evaluation of anti-icing additives.