Caulking agent or poisonous (environmental protection The formaldehyde? )

Most in the market now is a two-component epoxy resin filled seam an agent, as shown in the figure below: the composition of caulking agent is composed of epoxy resin, paint and curing agent. To determine whether caulking gun environmental protection is a curing agent for this part. Epoxy resin curing agent points reaction type and catalyst type two kinds.

1. Reactive agent: this kind of curing grout for aldehyde and aromatic organic compounds, such as formaldehyde and phenol, toxic.

2. Type catalytic curing agent: only the curing reaction, the catalysis of this kind of material is mainly caused by resin molecules in the ring opening polymerization of epoxy base, thereby the couplet body structure of polymer, itself is not involved in the crosslinking network. Therefore, does not produce toxic substances.

ceramic tile seam filling agent is environmental protection or toxic

inferior caulking agent construction in the short term effect with normal product caulking agent production is not much, of course, after all, is bad, not to mention the environmental protection aspect. The owners of caulking market and product don't have much understanding, caulking builders who fish in troubled waters, buy some inferior caulking agent to decorate caulking. Time is long, the problem came out, of course, and then begin to affect your body.

inferior caulking gun material is likely to be added nonylphenol, it is an important fine chemical raw materials and intermediates, room temperature colorless or pale yellow liquid, is mainly used in the production of surface active agent. Nonylphenol belongs to organic pollutants, carcinogens and even can kill men, urge hyperplasia of breast cancer cells, really is not the general big to the harm of the body. Regular brand caulking agent is composed of using epoxy resin, curing agent, high-grade paint, produced by rationalization, produced caulking agent is environmental protection, non-toxic.

how to identify caulking gun or

1, look at the brand quality inspection certificate

2, is there a pungent odor, if taste is bigger, explanatory material inferior

3, whether in the construction process, the phenomenon of the collapse in

4, color and hardness, the effect to be good material to make is more bright, high gloss, and flexible and hardness with

recommended articles:

ceramic tile seam filling agent have environmental protection?

ceramic tile seam filling agent for environmental protection?

caulking agent containing formaldehyde and other harmful ingredients?

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