T/HEBQS 014-2023 Active Group standards

T/HEBQS 014-2023 Polymethyl methacrylate (PMMA) waterproofing coatings

T/HEBQS 014-2023

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 014-2023

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 content: Table 1 Basic performance Serial number Item Technical indicator Type I Type II 1 Solid content/ % ≥ 92 Gel time/min ≥ 20 Dry time/min ≤ 60 Tensile strength/MPa ≥ 10.0 Elongation at break/ % ≥ 100 1306 Tear strength/(N/mm) ≥ 45 Low-temperature flexibility/°C 0–15 No cracks 8 Waterproofness (0.3 MPa, 2h) Waterproof 9 Heat expansion/contraction rate/ % Elongation ≤ 1.0 Contraction ≤ 10 Bonding strength/MPa ≥ 2.5 11 Water absorption/ % ≤ 1.5