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Product description | Graphite polystyrene foam board, or graphite EPS board, is a high-performance thermal insulation material. It takes polystyrene resin as the substrate, adding the right amount of graphite and other auxiliary agents, after heating pre-hair, ripening, molding, curing and cutting and other technological process made. Graphite EPS board has been widely used in construction, heat insulation and fire resistance with its excellent thermal insulation performance, good size stability and compressive strength. | ||
Product function | 1.Excellent heat insulation performance: graphite EPS plate has a very low thermal conductivity and high heat resistance value, can effectively prevent heat transfer, reduce energy consumption. 2.Good dimensional stability: the graphite EPS plate can maintain a stable size when the temperature changes and the humidity changes, and it is not easy to deform. 3. Excellent compressive strength: the graphite EPS plate with special treatment has a high compressive strength and can withstand a certain external force. 4. Flame retardant: the graphite EPS board with flame retardant has good flame retardant performance and meets the requirements of building fire prevention. | ||
Application area | 1. Construction field: used for external wall insulation, internal wall insulation, roof insulation and basement insulation, etc., to improve the building insulation performance and reduce energy consumption. 2. Insulation field: suitable for cold storage, storage pipes, tanks and other equipment to reduce heat loss. 3. Fire resistance field: it can be used as firewall, heat insulation board and other refractory materials to improve the fire resistance of buildings. Environmental performance and storage conditions | ||
project | unit | performance index | |
surface density | Kg/m3 | 18.0~22.0 | |
compressive strength | kPa | ≥100 | |
Thermal conductivity (average temperature: 25 C) | W/(m·K) | ≤0.033 | |
dimensional stability | % | ≤0.30 | |
Water absorption (volume fraction) | % | ≤3.0 | |
Bend deformation | mm | ≥20.0 | |
Water vapor transmission coefficient | ng/(Pa·m·s) | ≤4.5 | |
Tensile,strength,perpendicular to the plate surface direction | MPa | ≥0.10 |
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