Modified asphalt waterproofing membrane:
Serial Number |
Testing items |
index |
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I |
II |
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PY |
G |
PY |
G |
PYG |
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1 |
Soluble content, g/m2 ≥ |
3mm |
2100 |
- |
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4mm |
2900 |
- |
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5mm |
3500 |
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Experimental phenomenon |
- |
Tire base non combustible |
- |
Tire base non combustible |
- |
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2 |
heat resistance |
℃ |
90 |
105 |
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≤mm |
2 |
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Experimental phenomenon |
No flow or dripping |
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3 |
Low temperature flexibility: ℃ |
-20 |
-25 |
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4 |
Impermeability: 30 minutes |
0.3MPa |
0.2MPa |
0.3MPa |
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5 |
Tensile strength |
Maximum peak tensile force: N/50mm ≥ |
500 |
350 |
800 |
500 |
900 |
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Secondary peak tension: N/50mm ≥ |
- |
- |
- |
- |
800 |
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Experimental phenomenon |
During the stretching process, there was no cracking or splitting of the asphalt coating layer in the middle of the specimen with the tire base |
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6 |
Elongation rate |
Maximum peak elongation:% ≥ |
30 |
- |
40 |
- |
- |
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Extension rate during peak hours:% ≥ |
- |
- |
|
- |
15 |
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7 |
Mass increase after immersion:% ≤ |
PE、S |
1.0 |
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M |
2.0 |
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8 |
thermal ageing |
Tensile retention rate:% ≥ |
90 |
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Maximum peak elongation retention rate:% ≥ |
80 |
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Low temperature flexibility: ℃ |
-15 |
-20 |
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No cracks | ||||||||||||||
Size change rate:% ≤ |
0.7 |
- |
0.7 |
- |
0.3 |
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Quality loss:% ≤ |
1.0 |
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9 |
Oil leakage, number of sheets ≤ |
2 |
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10 |
Joint peel strength: N/mm ≥ |
1.5 |
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11 |
Tear strength of nail rod a: N ≥ |
- |
300 |
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12 |
Adhesion of mineral granules b: g ≤ |
2.0 |
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13 |
The thickness of the asphalt coating layer on the lower surface of the roll material is c: mm ≥ |
1.0 |
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14 |
Artificial climate accelerates aging |
Appearance |
No sliding, flowing, or dripping |
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Tensile retention rate:% ≥ |
80 |
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Low temperature flexibility: ℃ |
-15 |
-20 |
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No cracks | ||||||||||||||
a、 Only applicable to single-layer mechanical fixed construction method rolls. |