Product Introduction
Window opening waterproof breathable membrane is made of high quality polymer materials, polyethylene and polypropylene. It has excellent waterproof performance and is also breathable to ensure that air can circulate freely. The structural design of the membrane has been carefully studied to ensure that it can effectively perform waterproof and breathable functions under different climate conditions.
The window waterproof and breathable membrane adopts advanced waterproof technology, which can effectively resist the penetration of rain, snow and other external moisture. Its surface is usually specially treated to form a protective film to improve water resistance. Breathability is one of the important characteristics. The breathable membrane allows water vapor to pass through, thereby preventing indoor moisture retention and reducing the occurrence of condensation. This helps maintain air quality inside the building, prevents the growth of mold and bacteria, and provides a healthier living environment.
| Test item/unit |
Product specification/index |
Test method |
| HD-K100 |
HD-K120 |
HD-K140 |
HD-KZ160 |
| Amount of water vapor (g/m².24h) |
1000-2500 |
1000-2500 |
1000-2500 |
1000-2500 |
GB/T 17146-1997 |
| Water tightness (mm) |
1500-3000 |
1500-3000 |
1500-3000 |
1500-3000 |
GB/T 328.10-2007 |
| Breaking strength (N/50mm) |
≥100 |
≥120 |
≥180 |
≥260 |
GB/T 328.9-2007 |
| Breaking elongation rate (%) |
≥40 |
≥40 |
≥70 |
≥70 |
GB/T 328.9-2007 |
| Tear performance (N) |
120-150 |
120-150 |
120-150 |
120-150 |
GB/T 328.18-2007 |
| Low temperature flexibility (ºC) |
-40 |
-40 |
-40 |
-40 |
GB/T 328.15-2007 |
| Inflaming retarding |
B2 |
B2 |
B2 |
B2 |
GB/T 8626-2007 |
| UV resistant (month) |
4 |
4 |
4 |
4 |
- |
Frequently Asked Questions
What materials are used in the waterproof breathable membrane?
The membrane is constructed from high-quality polymer materials, specifically Polyethylene (PE) and Polypropylene (PP).
Is this product suitable for both indoor and outdoor use?
Yes, the material is designed for both indoor and outdoor applications, providing excellent waterproofing and moisture control.
How long is the UV resistance for this material?
The product features a UV resistance period of 4 months, ensuring durability during the construction phase.
Does the membrane prevent mold growth?
Yes, by allowing water vapor to pass through while blocking liquid water, it prevents indoor moisture retention and reduces condensation, which helps inhibit mold and bacteria growth.
What is the standard lead time for orders?
For orders between 1 and 133 rolls, the standard lead time is 7 days. Larger quantities are subject to negotiation.
Sanva Medical
