Home improvement "Ray" area makes home decoration a stealth killer

With the improvement of people's environmental awareness, the green and environmentally friendly decoration of the family has become a hype for the home improvement building materials industry. In fact, most consumers have some misunderstandings about green home improvement. They think that material selection is the main link to achieve green home improvement, and related links such as design and construction are often ignored. also

Also known as R134a gas. Under normal temperature for the odorless and colorless gas. Boiling point -26.5 ° C, the freezing point -101 ° C 1.202g/cm3 liquid density. Critical temperature 100.6 ° C Critical pressure 40.03 × 105. Low toxicity, and flame resistant, low chemical reactivity and high stability. PCE fluoride can be obtained CFC-113, via isomerization, fluoride and hydrogen obtained; PCE or fluorinated obtained HCFC-123 and then by fluoride and hydrogen obtained; TCE also as the raw material, fluoride in HCFC-133a, and fluoride system in the product. In refrigeration systems, medical and certain spray foam application is CFC-12 is the preferred alternative.

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