How to remove silicone oil spots? 2020-10-26
Generally, the basic prescription for removing silicone oil spots is: degreaser (a certain brand) 2g/L, silicon spot cleaning agent (a company) 3-5g/L, caustic soda/soda ash 2g/L, treatment temperature: 85-95℃, time :30-60min; Adding order is: degreasing agent → silicon spot remover → caustic soda →
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