GP-PPM Polyethylene Polypropylene (Polyester) Composite Waterproof Membrane
Polyethylene polypropylene (coated) composite waterproof membrane is a waterproof membrane made of polyethylene, high-strength polypropylene (polyester) non-woven fabric, ultraviolet light-shielding agent, anti-aging agent and other polymer raw materials, which is extruded in one step by an automated production line.
Product Features
●Great corrosion resistance, good flexibility, easy to bend and not easy to break, good tensile and puncture resistance.
●It can be constructed on a damp base ,as long as there is no visible water on the base. after the heavy rain stops,which is conducive to accelerating the construction period.
●Construction speed and high efficiency. Kitchen and bathroom, swimming pools, pool walls don't need to be roughened and treated.Tiles can be directly pasted on the rolls, which saves both labor and effort.
●The surface of the waterproof layer after construction with the product can be directly decorated (such as paste tiles, floor tiles, mosaics, plastering cement paste, etc.)
Implementation Standard
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The product performance complied with the requirement standard of the "polymer waterproof materials-part 1:sheets"(GB/T 18173.1 - 2012) (FS2) |
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No. |
Item |
Index |
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Resin type |
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FS2 |
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1 |
tensile strength/(N/cm) |
Room tempreature(23℃) ≥ |
60 |
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High tempreature(60℃) ≥ |
30 |
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2 |
Elongation at break/% |
Room tempreature(23℃) ≥ |
400 |
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Low tempreature(-20℃) ≥ |
300 |
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3 |
Tear strength/N ≥ |
50 |
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4 |
Water impermeablity,(0.3Mpa,30min) |
No leakage |
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5 |
Low tempreature flexibility |
-20℃No cracks |
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6 |
thermal expansion and contraction amountmm |
Extension ≤ |
2 |
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Contraction ≤ |
4 |
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7 |
Hot-air aging(80℃x168h) |
Tensile strength retention rate/% ≥ |
80 |
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Break elongation retention rate/% ≥ |
70 |
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8 |
Alkali resistance [saturated Ca (OH)₂ solution]23℃x168h] |
Tensile strength retention rate/% ≥ |
80 |
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Break elongation retention rate/% ≥ |
80 |
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9 |
Ozone aging(40℃x168h)200x10,Elongation rate20% |
- |
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10 |
Artificial climate aging |
Tensile strength retention rate/% ≥ |
80 |
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Break elongation retention rate/% ≥ |
70 |
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11 |
Bonding peel strength (between sheets) |
Standard test condition(N/mm) ≥ |
1.5 |
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Immersion in water retention rate"(23℃X168h)⁷% ≥ |
70 |
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12 |
"Composite strength (FS2 surface layer and core layer)/Mpa ≥ |
0.8 |
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Note 1: Artificial climate aging and bonding performance items are recommended items |
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Note 2: For non - exposed applications, the properties of ozone aging, artificial climate aging, heating expansion - contraction amount, and tensile strength at high temperature (60℃) do not need to be evaluated. |
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Note 3: Requirements for FS2 with an overall thickness less than 1.0 mm: When the tensile strength is measured at 23℃, the index shall not be less than 50 N/cm; when measured at a high temperature of 60℃, the index shall not be less than 30 N/cm. When the elongation at break is measured at 23℃, the index shall be not less than 100%; when measured at a low temperature of -20℃, it shall be not less than 80%. |
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