Rock wool sandwich full play to the unique properties of the core material of rock wool sandwich panel enclosure Hefei, in the fire has a significant effect. Rock wool sandwich raw materials used, production processes and formulations, has good fire resistance. Tests showed that it has over 1000 ° C fire resistance. Rock wool sandwich has passed Italy authoritative testing organizations test GLOROANOS.PA Hefei sandwich, according to the International Organization for Standardization (ISO), the British BS and German DIN standards, rock wool sandwich panels meet fire safety standards M.I14 / 09 / 61 Functional Requirements 91 and DM30 / 11/83's. Test results were as follows: 1) 50mm thick rock wool sandwich RE13080mm thick sandwich REL60 100mm thick rock wool rock wool sandwich REL 120. Sandwich is now being used in the majority of canopy construction, its performance, lightweight, convenient, environmentally friendly and cheap Hefei waterproof sandwich, plate core sandwich panels used mainly phenolic foam, polystyrene, extruded polyethylene styrene, rigid polyurethane, polyester and wool, etc. Hefei three sandwich prices, and phenolic foam has excellent fire insulation properties, other materials can not be replaced. Steel sandwich panel wall board installation Surveying should be compatible with the main structure of Surveying. To drill on a lead level of elevation from the ground, in order to avoid error accumulation. Hefei Sandwich prices _ loyal love building (certified) _ Hefei sandwich provided by Nanjing Steel Co. loyal love. Nanjing loyal love Steel Ltd. (www.njzhongai.com) is Nanjing, the activities of the leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In loyal love activities of leadership with the staff warmly welcome all inquiries negotiations to create loyal love activities of a better future.