T/HEBQS 011-2023 Active Group standards

T/HEBQS 011-2023 Road and bridge waterproof coating

Publish Date: 2023-03-15 Implement Date: 2023-03-20 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/HEBQS 011-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Paints and varnishes

Publish Date: 2023-03-15

Implement Date: 2023-03-20

Scope

Main technical contents: Coating general performance No. Item PB PU JSI II1 Solid content a/% ≥ 45 50 98 65 Drying time a/h ≤ 43 Full drying time a/h ≤ 84 Heat resistance/°C 140 160 160 No dripping, sliding, or dropping 5 Waterproofness/0.3MPa, 120 min No water penetration 6 Low temperature flexibility/°C -15 -25 -40 -10 No cracks 7 Tensile strength/MPa ≥ 0.50 1.00 2.45 1.20 8 Elongation at break/% ≥ 800 450 200 9 Heat aging tensile strength retention/% ≥ 80 Elongation at break/% ≥ 600 400 150 10 Harmful substance content Volatile organic compounds (VOC), g/L g/L ≤ 10 Soluble heavy metals Lead (Pb), mg/kg ≤ 10 Cadmium (Cd), mg/kg ≤ 10 Chromium (Cr), mg/kg ≤ 20 Mercury (Hg), mg/kg ≤ 10 a Not applicable to R-type polymer-modified asphalt waterproofing coatings for roads and bridges