Is styrofoam toxic?

发 Is foam toxic?

Many people are not familiar with styrofoam, for exampleIs styrofoam toxic ? Many people don’t know whether styrofoam is healthy, so the following Just togetherSui Weigu Editor Let’s see if styrofoam is toxic.

1. Is styrofoam toxic?——Introduction

Foam glue is a kind of Glue with foaming properties and bonding properties, is mainly used for filling, sealing and bonding the seams and holes of doors and windows in house buildings. It is a polyurethane elastic sealing foam material that relies on moisture curing. Foamingglue is polyurethane prepolymer, Foaming agent, catalyst, The cross-linking agent is filled into a high-pressure iron can and filled with propane and other gases. At present, it is divided into two types: gun type and tube type,The two have different uses. The gun type requires a special polyurethane foam gun. Use, while the tube type requires a disposable hose before use.

2. Is styrofoam toxic?

Generally, styrofoam is non-toxic and odorless after drying. If it is inferior foam rubber, the toxicity disappear time needs to be determined based on the toxicity of the production material.

When playing with foam, there willyesA certain smell, “>The size of the smellFollow up the selected manufacturer’s foam glue formula Determined by performance settings, on the one hand it can also reflect the product good or bad. Cured foam glue can come into contact with food.

But because of the styrofoamafter all is a chemical substance, so everyone should pay more attention when using it.

3. Is styrofoam toxic?——Precautions for use

1. Foam glue is a moisture-curing foam. It should be sprayed on a humid surface when used. The greater the humidity, the faster the curing. The cured foam is affected by ultraviolet light It will turn yellow after exposure, so it is recommended to use other materials to paint the cured foam surface.

2When replacing the material tank, shake the new tank well first, remove the empty tank, and quickly replace the new material tank with the new one to prevent the spray gun connection port from solidifying.

3. The flow control valve and trigger of the spray gun can control the foam flow size. When the injection stops, the flow valve is closed clockwise.

The above introduction is aboutIs styrofoam toxic?Related content of , font>It is recommended that everyone choose when , It is best to choose a brand with guaranteed quality. Be sure not to choose small brands of styrofoam just for the sake of cheapness, so as not to let it affect our health, which is also undesirable. of.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.allhdi.com/archives/16760

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