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Aviation History
1960
1960 - 1570.PDF
78 FLIGHT 2 SEPTI Synthetic Rubber Compour ds FOR THE SEALING OF ELECTRICAL EQUIP/IENT IN AIRCRAFT AND MISSILES I960 A comprehensive series of Elastomeric P.R.C. Compounds is available for the Potting, Sealing, Encapsulating, Moulding and Coating of Electrical and Electronic components and assemblies The following compounds are typical in the P.R.C. range: P.R. 12O1Q meets the requirements of DTD.900/4625 and MIL-S-8516B. Cures to light brown rubber. White base and brown accelerator facilitate easy visual mixing. P.R. 72O the Black equivalent of 1201Q. Meets therequirements of DTD.900/4626. These two component polysulphide rubber compounds areespecially formulated for use in electrical potting and sealing applications. Positive sealing against dirt, foreign matter and moisture. Protection of wire under extreme vibration. Improves electrical characteristics. Weight saved by elimination of end bell and cable clamp. Space saving due to shorter over-all length. Reduction of lateral fatigue at the solder cup. Resistance to Aircraft Fluids. Better production handling characteristics. Both P.R. 1201Q and P.R. 720 are also used as highly flexible protective coatings for printed circuit boards in accordance with P.R.E. memorandum No. !1>84 "Climatic and Vibration Protection for Transistorized Sub-assemblies". P.R. 146O a two component, 98% non-volatile poly-sulphide compound for use in potting and sealing all electrical connectors and components when the temperaturerequirement is above that of MIL-S-8516B. Will provide- complete insulation over a temperature range of— 70 F. to+ 300°F. P.R. 916 a two component polysulphide-modified epoxy compound used as a transparent flexible dip coating for printed circuit boards, encapsulating and potting miniature components and impregnating various types of coilsExcellent fluid resistance and electrical properties over the temperature range — 50'T. to + 250 F.P.R.C. Sealants are used extensively for the sealing of the Integral Fuel Tanks and Pressurized areas ot maior aircraft projects. You are cordially invited to visit our Stand No 78 discussions with our Technical personnel. Write or phone for Data Sheets and Samples. Qualified Technical Personnel available for prompt consultation. BRITISH PAINTS LIMITED Elastomers Division Northumberland House, 303-306, High Holborn, London, W.C.1. Tel. Holborn 9581/6 Newcastle utxui Tyne . New York . Sydney . Adelaide Toronto Durban Cape Town Calcutta Trinidad
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