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INTRODUCTION      PRODUCTS               TECHNICAL DATA   CERTIFICATE           TEST EQUIPMENTS   CONTACT US                Shanquan Building Membrane    ADD: Qinggang Industry zone,             Moushan, Yuyao    TEL: +86-571-87041027    FAX: +86-571-87041021	Ningbo Shanquan Building Materials Co.,Ltd. was established in 2005. We occupy the area of 38.000 square meters, and own six assets of eight millions U.S. dollars. From the very beginning, we concentrate on the production of functional membrane products. The current production capacity is 35 million square meters per year, which will be enlarged greatly in the coming two years. At present, our main product is breathable membrane, house membrane, roof waterproof membrane and vapour permeable membrane,  ......                                                            |more about the company|       we have the advanced test equipment and strictly quality control system, which ensure the high quality breathable membrane and high production efficiency......  |more about test equipment|          Waterproof membrane, water vapour permeable membrane, laminated by one layer of modified polyolefin membrane .......             |more about the products|

Membrane

Shanquan is the leading manufacturer of breathable membrane products in China
Our products: breathable membrane, house membrane, roof waterproof membrane

1. Membrane products: laminated by one layer of modified polyolefin membrane  and two layers of reinforced non woven.

2. Characteristics of membranes: breathable, water proof, water vapour permeable

3. Function of the membranes
   A: The membrane effectively prevent the construction from rain and wind.
   B: The membrane can strengthen the circulation of water vapour, reduce the humidity, improve the living environment.
   C: the membrane effectively avoid the effect from the cold and hot air, had the thermal insulation property, effect can be heightened in case installed together with the other materials.
   D: the membrane is Anti-ultraviolet:

4. Membrane Application
   The membrane has the extensive application in the field where requests water resistance and vapour permeable, e.g., construction, means of transport, etc., which is an ideal functional material.

5. Membrane Technical data
   Mass per unit area EN1849 g/m2  100g (?0%) 120g (?0%) Length
   EN1848 m 50 50 Width EN1848 m 1.5(-0.5%,+1.5% 1.5(-0.5%,+1.5%
   Reaction to fire EN13501-1:2002 EN11925-2

6. Breathable Membrane:
   The particular membranes in question typically comprise spunbonded polypropylene or
   spunbonded polypropylene/polyethylene laminated either side of a micro-porous
   polypropylene or polyethylene film.

7. How do membranes work?
   Monolithic spunbonded membranes are also used. They have a structure that is sufficiently
   fine to prevent liquid water penetration in service conditions, but not too fine to prevent the
   transfer of water vapour (molecules of water in air), see figure 1.
   All materials, including vapour control layers, have a finite permeability to water vapour
   transfer. However, in the context of this Article, a breathable membrane is a material which, in
   service conditions, is sufficiently permeable to water vapour transfer to adequately limit the
   risk of condensation in roofs.

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