Is epoxy AB glue toxic? Can you stick the cup?

1, after all, ab glue is a chemical, it is not recommended to use ab glue good cup to drink water, even if the country says it is environmentally friendly and non-toxic, but we do not go to risk to do it, and the cup is not very expensive, and buy a is.

2, generally speaking, AB glue refers to epoxy resin glue, glue is toxic, the so-called environmental protection of the product to meet the requirements of the country. Non-toxic, non-glue! But proper use will not affect the body. It just needs more than 24 hours. Moreover, there is no toxicity after curing, and it can be used as a container preservative in food processing.

3, now the domestic production of AB glue is basically non-toxic and environmentally friendly, in line with ROHS standards, our common AB glue is basically divided into three categories: the first class, epoxy resin AB glue; The second category: silicone AB glue; The third category: acrylic AB glue.

4. The following introduces the components and advantages and disadvantages of various types of AB:

The first type, epoxy resin AB glue: epoxy resin AB glue is a general term for organic polymer compounds containing two or more epoxy groups in the molecule, except for individual, their relative molecular weight is not high. The molecular structure of epoxy resin is characterized by active epoxy groups in the molecular chain, which can be located at the end of the molecular chain, in the middle or in a ring structure. Due to the active epoxy groups in the molecular structure, they can be cross-linked with various types of curing agents to form insoluble and non-melting polymers with three-way network structure. The main advantages of epoxy resin AB adhesive are: high bonding strength and strong versatility. Wide range of adhesive materials, such as metal, glass, cement, wood, plastic and other polar materials. The disadvantages are: the curing speed is too slow, some need to be heated and cured, and the glue is environmentally friendly and non-toxic

The second category, organic silicone: silicone potting glue refers to a class of electronic potting glue made of silicone rubber, including single-component silicone potting glue and two-component silicone potting glue. Silicone potting adhesives are generally soft and elastic. The main advantages of silicone AB glue are: the glue is non-toxic and environmental protection, good weather resistance, can adapt to the harsh ring of -60 -- 210℃, in addition, the glue is soft, easy to repair in the future; Disadvantages: The price is too expensive, deep curing requires heating.

The third type, acrylic adhesive: acrylic adhesive is also known as two-component acrylic adhesive, the second generation acrylic adhesive (SGA), reactive acrylic adhesive, etc., is based on the free radical graft copolymerization of (methyl) acrylic ester two-component adhesive. The main advantages of acrylic adhesive are: fast curing speed and wide application; The disadvantage is that the smell is pungent, but non-toxic, and there are also low-odor acrylic AB glue in China.