配方类型：	METALS AND TREATMENTS
配方说明：	Tin Plating
配方组成：	Limiting* value at 70F/250 amp/sq ft Limiting* value at 100F/425 amp/sq ft The fluoboric acid is added to 30 gal of water and then the stannous fluoborate is added. The gelatin is added to 2.7 gal of warm water in a suitable vessel such as a pail and allowed to swell overnight. The powdered beta naphthol is added and the mixture stirred continuously while bringing the mixture to a boil. should the beta naphtol be in flake form, it should be dissolved in the minimum amount
配制方法：	Anodes Pure cast tin is used. They may be bagged with Vinylon, Dynel, or similar materials. Anode to cathode ratio-from 1:1 to 2:1

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