1.good construction performance: one component, out of the box for use on-site, easy construction; brushing 2-3 times up to 1.5mm thickness, dense coating, pinhole-free, no bubbles;
2.good rubber elasticity and resilience, high tensile strength, strong resistance to the deformation of base layer (shrinkage and cracking);
3.good bonding property, strong adhesion: be bonded with different base layers and directly constructed on the qualified base layers;
4.excellent water and corrosion resistance: forming film by chemical reactions, water erosion resistance, corrosion resistance, mildew resistance, especially suitable for long-term soaking parts of waterproof engineering constructions;
5.environmental friendly, high boiling point solvents, non-dangerous goods, no benzene, toluene, xylene and any other toxic solvents, no coal tar.
gb/t 19250-2013《polyurethane waterproof coating》
serial number | item | performance |
ⅰ | ⅱ | ⅲ |
1 | solid content/%≥ | one-component | 85.0 |
multiple-component | 92.0
|
2 | surface drying time/h≤ | 12 |
3 | hard drying time/h≤ | 24 |
4 | levelling property | 20min，no obvious teeth marks |
5 | tensile strength/mpa ≥ | 2.00 | 6.00 | 12.00 |
6 | elongation at break/% ≥ | 500 | 450 | 250 |
7 | peel strength(n/mm) ≥ | 15 | 30 | 40 |
8 | cold bending | -35℃，flawless |
9 | waterproofness | 0.3mpa，120min |
10 | heat expansion rate/% | -4.0 ~ 1.0 |
11 | bonding strength/mpa ≥ | 1.0 |
12 | moisture absorption/%≤ | 5.0 |
13 | set with the aging | heat ageing | no crack and deformation |
artificial weathering aging | no crack and deformation |
14 | heat treatment（80℃，168h） | retention tensile
strength/% | 80 ~ 150 |
elongation at break/% ≥ | 450 | 400 | 200 |
cold bending | -30℃，flawless |
15 | alkali treatment（0.1%naoh saturate ca(oh)2 solution，168h） | etention tensile
strength /% | 80 ~ 150 |
elongation at break/% ≥ | 450 | 400 | 200 |
cold bending | -30℃，flawless |
16 | acid treatment (2%h2so4 solution，168h） | retention tensile
strength /% | 80 ~ 150 |
elongation at break/% ≥ | 450 | 400 | 200 |
cold bending | -30℃，flawless |
17 | artificial weathering aging(1000h) | retention tensile
strength/% | 80 ~ 150 |
elongation at break/% ≥ | 450 | 400 | 200 |
cold bending | -30℃，flawless |
18 | combustion performance | b
2-e（ignition 15s，burn20s，fs≤150mm，with no burning drip lead to fire filter paper） |
