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China Paint Online News:
Fire protection activity board room need to pay attention to the problem:
(1) Do not use skills function only satisfied with indoor paint for outdoor use. Water, freeze-resistant, aging-resistant, high-strength fire-resistant coatings.There is a lot of experience in this regard: for example: Nanjing Yangzi Petrochemical Company aromatics project has selected a fire protection paint for tens of thousands of square meters of activity room construction, by the outdoor environment, the results of less than a year, furniture to join the paint weathering yellowing, showing drop, lost maintenance effect.Generally referred to as non-expansion large fire-resistant coatings than swelling large fire-resistant coatings weather resistance, rather than swelling large-scale coatings by stone, pearl rock particle-type thick coatings and the choice of cement as a binder than water glass as a binder is better. In particular, the amount of cement is more, the density is more suitable for outdoor use.(2) Do not easily choose finish-type fire-resistant paint for maintenance activity rooms.-type fire-resistant coatings for wood layout and flammable substrates, usually less than 1mm thick, thin xu film on flammable materials can play a useful role in blocking and avoiding flame extension. However, its insulation function usually does not meet the intention of greatly improving the fire resistance limit of the active room.it is understood that a fire-resistant paint factory in China has touted its finished inorderable paint can be used in the activity room, and in some projects also used. Later sampling to the relevant testing units to standardize beam fire resistance experiments, the results of steel beam fire resistance limit within 30min, paint almost no fire effect.market has been the so-called ultra-thin fire protection coating said its coating thickness as long as 1 to 2mm, its standard beam fire resistance limit of up to 1.5h, or even more than 2h. Soft installation company after investigation of some fire-resistant experiments did not describe load loading according to the specification; Some may choose other complementary methods, such as wrapping a glass cloth on the coating. Therefore, in the application, the relevant units should pay special attention.
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