Epoxy resin glue is commonly used in crafts and accessories, which can be called their cosmetics. After using crystal glue, it can make them look more beautiful and make people like them more. So what is epoxy glue?
It can be mainly divided into two categories: polyurethane PU glue and epoxy resin AB glue. The epoxy resin type is relatively low in price and widely used, but its yellowing resistance and toughness are relatively poor. , And polyurethane PU glue has the function of anti-ultraviolet rays, which can guarantee no yellowing for three years. Ordinary epoxy crystal glue is generally composed of high-purity epoxy resin, curing agent and other modifications. Therefore, its cured products have the characteristics of water resistance, chemical corrosion resistance and crystal clearness.
So how to use and operate crystal glue?
1 Weigh the A and B components of the PU crystal glue to be used before configuration at 100:100.
2 Then weigh the A and B components of the crystal glue to be used at 1:1, stir them evenly, and then drop them on the label used.
③Because the hand-dropping of PU is slow, it has higher requirements for environmental humidity. The relative humidity is usually required to be maintained between 40 and 60, so that it will not cause foaming in the later stage.
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