Harbin Tai-Yang-Yu Waterproof Material Co., Ltd.
Add: No.5 Store, B115, Zhengyi Garden, Keyan Road, Nangang District, Harbin City, Heilongjiang Province
Tel: +86-451-51803666
Fax: +86-451-51803666
Mobile: +86-18045135522
Three yuan
(1)Performance index
【executive standard GB121731-2006】
| No. | Item | Unit | Technical requirement | |
| 1 | allowable dimensional deviation | thickness | % | ±10 |
| width | % | ±1 | ||
| length | % | negative value is not allowed | ||
| 2 | breakage tensile strength (normal temperature) | Mpa | ≥7.5 | |
| breakage tensile strength (60℃) | Mpa | ≥2.3 | ||
| 3 | pull-apart elongation(normal temperature) | % | ≥450 | |
| pull-apart elongation(-20℃) | % | ≥200 | ||
| 4 | tearing strength | KN/m | ≥25 | |
| 5 | watertightness(30min) | . | 0.3Mpa no leakage | |
| 6 | low temperature buckling | ℃ | ≤-40 | |
| 7 | heating stretching amount | stretching | mm | ≤2 |
| shrinkage | mm | ≤4 | ||
| 8 | air aging 80℃×168h | breakage tensile strength retention rate | % | ≥80 |
| pull-apart elongationretention rate | % | ≥70 | ||
| 9 | alkali resistance (saturation Ca(OH)2 solutionnormal temperature×168h) | breakage tensile strength retention rate | % | ≥80 |
| pull-apart elongationretention rate | % | ≥80 | ||
| 10 | artificial weathering aging | breakage tensile strength retention rate | % | ≥80 |
| pull-apart elongationretention rate | % | ≥70 | ||
(3)Application
Appropriate for various flooring, basement and tunnel for water-proofing engineer