T/CWA 211-2022 Water-based non-curing rubber asphalt waterproof paint
T/CWA 211-2022 Water-based non-curing rubber asphalt waterproof paint
Basic Information
Scope
Scope: This document specifies the terms and definitions, classification and marking, general requirements, technical requirements, test methods, inspection rules, and marking, packaging, storage, and transportation of water-based uncured rubber asphalt waterproofing coatings. This document is applicable to water-based uncured rubber asphalt waterproofing coatings used in non-exposed areas of construction projects. Main technical content: 1. Products are divided into two types according to their application methods: spray-curing type (Type I) and scrape-curing type (Type II). 2. For Type I products, the A component should be uniform, free from lumps and sediment, and without visible impurities after mixing; the B component should be a uniform, sediment-free, and impurity-free aqueous solution when sprayed for application. For Type II products, the A component should be uniform, free from lumps and sediment, and without visible impurities after mixing. 3. The content of harmful substances in the products shall comply with the requirements of the following table. Serial No. Item Indicator 1 Volatile organic compounds (VOC)/g/L ≤10 Free formaldehyde/mg/kg ≤100 Total benzene, toluene, ethylbenzene, and xylene/mg/kg ≤300 Ammonia/mg/kg ≤500