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What glue can stick to crystals?
You can use a special glue called crystal drop glue to stick the crystal. 502 is not recommended. 502 is a volatile glue, which will not only damage the crystal but also affect the appearance.

Crystal glue is a two-component AB adhesive. The main components are epoxy resin, benzyl alcohol and polyether amine, which have the characteristics of low viscosity, high transparency, yellowing resistance and good bending resistance.

It is a two-component liquid with high transparency, no shrinkage, no warping, good flexibility, good bending resistance, no breakage and yellowing resistance. Suitable for surface decoration of electronic and electrical products such as trademarks and signs.

Extended data

Matters needing attention in rubber selection:

1, bonding object. Select the appropriate glue according to the type, performance, bonding area and stiffness of the required bonding material, and the performance of the required bonding material should be similar to that of glue.

2. Bonding environment. Choose the appropriate glue according to the conditions of bonding construction, because climate, light, heat, humidity, fungi and other factors will affect the bonding strength.

3. Economy. On the premise of meeting the performance requirements, low-priced products are adopted to achieve the balance between performance and contact.

4, according to the purpose of targeted choice, avoid using all-purpose glue.

5, for ventilation or metal, wood and other grass-roots or high temperature environment, ordinary cement-based bonding should not be adopted, and building glue or flexible cement mortar should be used.

6. For liquid and paste glue, in addition to physical properties, we should also consider its environmental performance, whether it contains harmful substances such as formaldehyde, toluene and xylene, and basically do not need to consider environmental performance for powder glue, because there will be no harmful substances such as formaldehyde, toluene and xylene in dry powder materials.

Baidu encyclopedia-crystal dripping glue