High vacuum pressure waterproof watch case sealant prevents leakage of moisture into the case due to worn gaskets. Will not evaporate, vaporize, harden, or break down, and will not affect watch oils. Unaffected by temperatures from minus 280 degrees Farenheit to 435 degrees Farenheit (138 to 224 degrees Celcius), or by moisture, salts, acids, fungi, alkali, or sweat. Contains 8 grams.
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