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How to distinguish the quality of winter-type polyurethane foam sealant
2019-09-161. Whether it can be normally used when the temperature is lower than 0 degrees. 2. No powder after curing. 3. Good adhesion, not easy to fall off. 4. After curing, the bubble hole should be delicate, without large holes, or it will leak. -
Why is the price different with 750ML polyurethane foam? How to buy?
2019-09-16However, many consumers, including dealers, have not understood one problem. In fact, the foaming rubber industry is based on its quality and gross weight based on its price. Generally, there are 300 grams, 330 grams and 380 grams in 500ML. 750ML has 500g, 550g, 600g, 650g, 750g, 800g, 900g, 930g, etc., so when we buy it, we have to ask clearly what quality of foaming gum is, and how heavy the -
Notes for polyurethane foam sealant
2019-09-16At low temperature, it is recommended to keep the product at a constant temperature of +25 ~ +30℃ for 30 minutes before use, so as to ensure its good zui performance. The temperature resistance range of the cured foam is -35℃ ~ +80℃. -
Common problems in the use of polyurethane foam before use
2019-09-16Answer: due to the difference between the pre-foaming system and the post-foaming system, this situation occurs because a, the number of times before the rubber shaking is not enough, resulting in uneven shaking up and down generally 8-15 times; B. Failure to timely glue after loading the gun causes pressure in the tank to rush into the foam gun stem, resulting in thinning before. -
Instruction for flow control device of spray gun
2019-09-161. Shake the foaming gun system of PU foam cans vigorously. 2. Screw the can into the adapter (not too tight!) . 3. When starting to work, press down the lever and let the foam flow for 2 seconds; The foam is filled with elongated tubes to drive out residual air. -
Fire hazard analysis and countermeasures of polyurethane foam sealant production process
2019-09-16[abstract] based on the basic production principle and characteristics of polyurethane foam caulking agent, fire hazard analysis was carried out on the raw materials. The safety problems and causes in the production of -
Environmental protection wood plastic indoor door installation manual
2019-09-16I. installation conditions: 1. Environmental protection wood plastic indoor doors must be reserved hole installation method, do not install while the edge of the practice; -
Analysis of the problems of polyurethane hard foam in the construction process
2019-09-16Due to the influence of construction conditions, equipment, technology and environment, various abnormal phenomena will occur in the construction process of polyurethane hard foam, which will eventually cause quality problems of products. The analysis of various situations is as follows: -
FAQ on polyurethane foam sealant
2019-09-161. What is polyurethane foam filler? And major USES. The full name of polyurethane foam filler is single-component polyurethane foam caulking agent, commonly known as foaming agent or foam adhesive, high viscosity is polyurethane foam adhesive;
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