As for the hardness of crystal glue, there are several types of crystal glue:
1. Soft crystal glue is a two-component liquid with high transparency and no It has the characteristics of shrinkage, no warping, good softness, good bending resistance, no breakage, and resistance to yellowing. Suitable for surface decoration of electronic and electrical products such as trademarks and signs;
2. Hard crystal glue is a two-component liquid with high transparency and high hardness, suitable for badges, nameplates and other products Surface decoration;
3. Curved glue is a two-component liquid mixture that can be mixed with various epoxy pastes. It is suitable for surface decoration of handicrafts such as hairpins and hairpins to make the products lifelike and increase market competitiveness;
4. Polishing glue is suitable for surface decoration of belt openings, buttons, keychains and other hardware products. Grinding, polishing, and electroplating;
5. PU glue is a two-component polyurethane mixture liquid with optimal bending resistance, no breakage, and a yellowing resistance period of more than three years. There is no abnormal change in hardness and it is suitable for surface decoration of high-end electronic and electrical signage products.
About the processability of crystal glue:
Because glue is an epoxy product, its high-temperature properties after curing are very poor and it is not suitable for processing. Currently, only sanding glue can be used for post-processing.