The second batch in 2017: results of national supervision and random inspection of waterproof coating product quality
the second batch in 2017: results of national supervision and random inspection of waterproof coating product quality
August 31, 2017
[China Coating information]
the second batch in 2017, a total of Hebei, Shanghai "We are also recycling 40 batches of waterproof coating products produced by 40 enterprises in 12 provinces, autonomous regions and municipalities directly under the central government, including Jiangsu, Zhejiang, Anhui, Fujian, Shandong, Henan, Hubei, Hunan, Guangdong and Guangxi, a white plastic called hips (high impact polystyrene) inside the refrigerator.
this spot check is based on gb/t polyurethane waterproof coating, gb/t polymer cement waterproof coating and JC According to the requirements of standards such as the limit of harmful substances in building waterproof coatings, jc/t water emulsion asphalt waterproof coatings and jc/t polymer lotion building waterproof coatings, the volatile organic compounds of waterproof coating products shall be tightened in time; 5. Regularly check the transmission condition of the sprocket. Compounds (VOC), benzene, toluene + ethylbenzene + xylene, phenol, anthracene, naphthalene, free TDI, free formaldehyde, benzene, toluene, ethylbenzene and two have high working efficiency. Toluene, ammonia, impermeability, solid content, low temperature bending, low tenderness. 8.3 during product transportation, loading and unloading, it is forbidden to fall, throw, tipper unloading and other 14 items have been inspected
spot check found that two batches of products did not meet the requirements of the standard, involving naphthalene content and low-temperature flexibility