Jiangyin Thousands Chemicals Co.
Jiangyin Thousands Chemicals Co.
Home> News> What is the thickness of fiberglass mold adhesive coating?
November 03, 2023

What is the thickness of fiberglass mold adhesive coating?

Generally speaking, it is recommended that the wet film thickness of the mold Gel Coat be 0.8-1mm, which is most suitable. This is not the actual final thickness of the gel coat, shrinkage and polishing will inevitably remove a certain thickness.



Too thin, easy to expose the bottom and reduce the durability of Fiberglass molds.

Too thick, the gel coat is prone to cracking, increasing micro cracks.

Usually, the area of a square mold is measured with 1kg of adhesive coating. It is best to perform the operation in stages (to facilitate bubble elimination), but not absolutely. It should be determined based on one's actual situation and comprehensive considerations!

Conclusion: Due to different uses, it is evident that the thickness of the fiberglass mold gel coating will not be the same as that of the product gel coating. For most vinyl mold gel coats, a wet film thickness of 0.8-1mm is the most suitable. It is too thin and not durable, and if it is too thick, it may cause problems such as cracking of the rubber coating.
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