कठोर फोम बाहरी दीवार इन्सुलेशन बोर्ड पेट्रोकेमिकल उपयोग

Rigid foam board insulation using in building area with cheap price Weidi Decorative Insulation Board overall dimension specification Insulation Bare Board is based on the principle of microporous ,made by various materials through special processing.Its thermal conductivity rate is lower than the stillness air ,and almost ceramic fiber insulation materials’1/4 to 1/10,which is the most lowest conductivity rate among the other solid materials .Also have addressed worldwide