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New building waterproof materials to promote the development of the construction industry

New building waterproof materials is compared with the traditional stone sleeve asphalt and auxiliary materials, and other traditional building waterproof material, the word "new" generally has two meanings, one is "new materials", the second is the construction method of "new".

The traditional building waterproof material refers to the traditional paper-based asphalt felt coal tar epoxy paint, waterproof material etc.. The roof of the roof waterproof exposed the shortcomings of this kind of waterproof materials for temperature sensitive, tensile strength and elongation rate is low, and the aging resistance performance is poor, especially for waterproof engineering, high and low temperature properties are not good, easy to cause aging, cracking, deformation, fracture and decay phenomenon: this kind of waterproof material, although the former has stipulated the "three felt four oil" approach to appropriate to extend the durability of the period, but increased the waterproof layer thickness, but also increase the worker's labor strength, especially for the roof with complicated shape, a convex part of the larger, the construction is very difficult, quality is difficult to guarantee, but also increases the maintenance difficulty. The traditional petroleum asphalt paper tire sleeve felt in small and medium-sized cities as proportion of the waterproof layer is still great, together with glass cloth linoleum, glass fibre tyre linoleum, accounted for the waterproof material of our country about 85%.

New building waterproof materials is compared with the traditional stone sleeve asphalt and auxiliary materials, and other traditional building waterproof material, the word "new" generally has two meanings, one is "new materials", the second is the construction method of "new". Improve the performance of traditional building waterproof material and improve the waterproof function, the traditional waterproof materials become waterproof "new" material and is an effective way, such as the asphalt for catalytic oxidation treatment, the asphalt at low temperature cold brittleness has been fundamental changes, make high quality oxidized asphalt, the performance of fetal asphalt felt paper has been greatly improved, on this basis with glass cloth tire and glass fibre tyre to gradually replace paper births, thus further overcomes the low fetal paper strength, elongation, oil on the shortcomings of low, improve the quality of asphalt.

But only improve the performance of traditional building waterproof material and improve its waterproof function, to make it waterproof "new" materials in this way is not enough, in order to improve the status quo of the waterproof engineering of our country as soon as possible, the Ministry of construction take the a series of comprehensive management measures, formulate the policies and regulations of the development, promotion, application of construction waterproof material and waterproof construction new technology. In 1986 issued "construction technology policy" to develop to "improve the quality of asphalt waterproof material and waterproof coating, development, high-grade waterproof coiled material, paint and waterproof caulking sealing materials," the Seventh Five Year Plan 'period focus on the development of waterproof, fireproof, heat insulation materials of new varieties of, carry out a comprehensive application technology of research and development work in the, 10 years after the establish and develop products series, standard and application of rules, generally up to the 1970s, 1980s level "waterproof construction policy, for the development of China's construction of new waterproof materials pointed out direction and development goals, the goal has been basically achieved.

After more than 10 years of joint efforts, a large number of various types of new waterproof materials have been successfully developed and put into use, and achieved gratifying results. The new building waterproof materials mainly include synthetic polymer waterproof coiled material, polymer modified asphalt waterproof coiled material, waterproof coating, waterproof sealing material, sealing material, rigid waterproof material and so on. At present, the domestic waterproof material has been able to basically guarantee the national key projects, industrial and agricultural construction and other construction projects on the high, medium and low grade waterproof materials used in different grades.


 
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Add:Shandong Shouguang Taitou Industrial Park Tel:+86-536-5513158 Fax:+86-536-5513228
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