What are the operation skills of the prototype glue?

What are the operation skills of the prototype glue?

(1)The weight ratio should be accurate.

silica gel in Group , curing agent in Group B, and curing agent generally added 2%-3%. Example: If 100 grams of silica gel need 2 grams of curing agent, stir the curing agent into the silica gel evenly ( Note: silicone and curing agent must be accurately stated on the electronic scale and measured correctly. According to the local temperature: curing agent can be added according to this ratio at about 25 degrees; If the local temperature is about 10 degrees, the amount of curing agent is more than 5%, such as the local temperature is- About 5 degrees, the curing agent does not react with the silica gel and does not solidify; If the local temperature is 38-At 45 degrees, the amount of curing agent added was 1%.

(2)Handle the mold.

handle the original model or the product to be copied first, such as the product or mold you want to copy has not been polished or polished, the model or product is not light or perfect, and the product made with silica gel does not meet the requirements.

(3)Vacuum treatment.

after stirring the silica gel and curing agent evenly according to a certain proportion, vacuum treatment is carried out. Silica gel and curing agent will generate bubbles when stirring. If you do not vacuum the air, the bubbles will be pumped out. The silicone mold will have a lot of air holes, and the tension of the mold itself will be reduced, the number of mold turning will be reduced accordingly, and the mold will not be smooth, which directly affects the quality of the product.

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