What harm can unqualified quality of heat preservation material produce?
The thermal insulation products that do not meet the standards and are of unqualified quality do serious harm, which can be summed up in the following five aspects:
One, when the use of unqualified products, the construction network, will affect the construction progress.
Second, if the use of unqualified insulation materials, the quality will not be guaranteed.
Three, unqualified insulation material strength is very poor, under the action of external force is easy to cause cracking phenomenon, affecting the insulation effect of the product.
4, the use of unqualified insulation products, in the case of special circumstances (such as: fire) flammable, and will produce toxic gas.
Five, unqualified insulation products short service life, energy-saving insulation effect is not good, affect the structure of the building to shorten its service life.
Take the shouguang fire in shandong province as an example. 18 people were killed and 13 injured in the fire. According to investigation, the fire started in shouguang
