91370783ma3d3jwq942020-9-4 self adhesive membrane py Ⅱ pe310 graphic trademark (Yuhuashi) disqualification peeling strength -The main research contents are as follows: coiled materials and coiled materials; thermal aging peel strength coiled materials and aluminum plate; peel strength coiled materials and aluminum plate; adhesion; Weifang product quality inspection institute (Weifang Fiber Inspection Institute) construction waterproof coiled materials production field Weifang dingxia waterproof materials Co., Ltd
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and Weifang Huanghai waterproof material Co., Ltd
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According to the requirements of GB 18242-2008 elastomer modified asphalt waterproofing membrane, GB / T 18173.1-2012 polymer waterproofing sheet, GB 12952-2011 polyvinyl chloride (PVC) waterproofing membrane, and GB 23441-2009 self adhesive polymer modified asphalt waterproofing membrane, the soluble content, heat resistance, low temperature flexibility and impermeability of elastomer modified asphalt waterproofing membrane products are analyzed Water based, tensile, elongation, thermal aging (tensile retention), thermal aging (elongation retention), thermal aging (low temperature flexibility), thermal aging (size change rate), thermal aging (mass loss), oil permeability, seam peel strength and other 13 items; tensile strength (room temperature), tensile strength (high temperature), tensile elongation of polymer waterproof material (sheet) 13 items, such as tensile strength (at room temperature), elongation at break (at low temperature), tear strength, impermeability, bending at low temperature, heating expansion, hot air aging (tensile strength retention), hot air aging (elongation at break retention), alkali resistance (tensile strength retention), alkali resistance (elongation at break retention), composite strength (fs2 type surface and core), etc The tensile properties (maximum tensile strength), tensile properties (elongation at break), dimensional change rate of heat treatment, low temperature bending property, impermeability, impact resistance, trapezoidal tear strength, water absorption, joint peel strength of vinyl (PVC) waterproofing membrane products; tensile properties (tensile strength), tensile properties (maximum tensile strength) of self-adhesive polymer modified asphalt waterproofing membrane products Tensile properties (elongation at break of asphalt), tensile properties (tensile phenomenon), nail bar tear strength, heat resistance, low temperature flexibility, impermeability, peel strength, oil permeability, holding viscosity, thermal aging (tensile retention), thermal aging (maximum tensile elongation), thermal aging (low temperature flexibility), thermal aging (peel strength coil and aluminum plate), thermal aging 19 items, such as dimensional stability, thermal stability, soluble matter content and re peel strength of self-adhesive asphalt, were tested
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did not meet the requirements of relevant standards, and the unqualified items were low-temperature flexibility, thermal aging (low-temperature flexibility), peel strength, holding viscosity, thermal aging peel strength – coil and aluminum plate
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91370783l02533276e2020-08-20sbssipype410 Huanghai unqualified joint peeling strength; Shandong product quality inspection and research institute information source: Shandong provincial and municipal administration of field supervision.
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See Annex 2 for the list of enterprises not selected
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91370783ma3cgq5e8h2020-05-16sbsipype310 dingxia unqualified low temperature flexibility; thermal aging low temperature flexibility; seam peeling Strength; Shandong product quality inspection and Research Institute building waterproof membrane production field; Weifang Huanghai waterproof material Co., Ltd
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Annex 1.xls annex 2.xlsx product disqualification information: product name spot check field enterprise name unified social credit code production date or batch number specification model trademark spot check result disqualification project inspection unit building waterproof membrane production field Shandong kunzheng Waterproof Technology Co., Ltd
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See Annex 1 for specific spot check results
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The spot check found that three batches of products from Shandong kunzheng Waterproof Technology Co., Ltd., Weifang dingxia waterproof material Co., Ltd
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A total of 100 batches of building waterproofing membrane products produced / sold by 100 enterprises in the province were selected, including 100 batches of 100 enterprises in the production field
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