What are the contents of the safety and civilized construction measures?
Polystyrene chemical stability is poor, can be a variety of organic solvents (such as: aromatic hydrocarbons, halogenated hydrocarbons, etc.) dissolved, will be strong acid and alkali corrosion, non-oil, in the ultraviolet light after the color change. Burning will produce a lot of carbon monoxide or carbon dioxide, pay attention to prevent poisoning
Glass fiber board for the core of the vacuum insulation board, this board thermal conductivity is generally low in the 0
Listen to my little brother, buy steel !!! must be steel !!! my years are nothing haha
The loss rate of the working material, the project as a unit for assessment, assessment period for the project construction period. Loss rate with the company to improve the management level to adjust, according to the following objectives for assessment. Steel pipe: loss rate of 1.8% or less Fastener: loss rate of 3.5% or less steel mold: loss rate of 3.5% within the quick release combination template and support part: loss rate of 3.5% or less bowl button scaffolding: loss rate of 1.8% Inside the door scaffolding: loss rate of 1.8% or less
