Detailed Product Description

China National Building Materials (Group) Corporation (CNBM), established in 1984,
is the largest corporation of building materials with total assets of 13 billion
RMB and a total staff of 30,000. CNBM now owns 200 subordinating firms of solely
owned and joint ventures.
For the breathable membrane product, we have 5 sets of advanced product line which
are used to produce CMAX housewrap with the production ability of 5000 tons per
year. CMAX housewrap is compounded with PE and PP or PET materials with excellent
air/vapor permeability, strong tearing strength, good water resistance, nice
UV and heat resistance.
You can choose our product to install on the roof or wrap into the wall, and you'll
happily find that rainwater can be effectively kept out and air is permeable,
moisture can be evaporated through the wrapping material, the whole room is free
from humidity, mildew and frowziness. The effect shall be especially obvious when
the material is applied in wooden house.
The specifications of CMAX housewrap we are regularly producing are as follows:Width: 150cm and 160cmLength: 50-500cmGrammage (g/m2): 80-400Water-vapor Permeability g/m2, d: SeriesI>3000, Series II: around
2500,
Series III: around 1000Hydrostatic head (pa): >3000Tensile Strength (N): 105-310(LD) 65-210(MD)Elongation (N): 68-150(LD) 72-150(MD)Your ideas and requirements are our challenges and we shall change according to your
needs.