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Foam glass envelope not only of itself **, chemical stability, and it can in the ultra-low to high wide temperature range from deteriorating good insulation properties, and is itself moisture-proof, fire and erosion. It is cold in deep hypothermia, while underground, open air, flammable, tide and chemical erosion harsh environments, not only safe, reliable, and durable, known as the "no need to replace the permanent insulation materials." Foam glass Main applications: 1, petrochemical industry: reaction equipment, chemical pipelines, oil pipelines, liquefied natural gas pipelines, storage tank foundation, liquefied petroleum gas pipelines. 2, Construction: cold, shipbuilding, roof insulation, inner and outer wall insulation, parking, ground screen, environmental chimney liner insulation. 3, underground works: subway, underground warehouses, tunnels. 4. Other sectors: national defense, grinding foot stone, brick cleaning teppanyaki, cryogenic air separation plant piping, cryogenic liquid storage tanks, foundation insulation. The main characteristics of the foam glass: http: //zzt20120304.cn.gongchang.com/ 1. Can be widely used cryogenic and high temperature environments. http://zzt20120304.b2b.hc360.com/ 2. thermal conductivity, high compressive strength. http://zzt20120304.bmlink.com/ 3. non-absorbent, moisture, good air tightness. http://490974319.cn.makepolo.com/ 4. thermal expansion coefficient, good dimensional stability. http://zzt20120304.net114.com/ 5. Do not burn, aging, corrosion-resistant. http://yunhui888.cn.china.cn/ 6. No ** harmless, green. http://yunhunjituan.chinawj.com.cn/ 7. mildew, not rat gnawing, anti-pests and microorganisms. http://zzt20120304.b2b.youboy.com/ foam glass thermal conductivity equation: λ = λ25 + 0.000183 (t- 25) +3.26 × 10-7 (t-25) 2, W / (mk). Where: λ- foam glass insulation products thermal conductivity at temperature t, W / (mk); λ25- foam glass insulation products at 25 ℃, thermal conductivity, W / (mk); t- be calculated Thermal Conductivity temperature foam insulation products, ℃. Other index reference JC / T647-1996. http://www.zzt20120304.eb80.com/ Series 1: high-performance glass bubble technical indicators (in accordance with ASTM) Physical Properties Unit LSN500 LSN700 LSN800 LSN1000 LSN1200 LSN1400 LSN1600 LSN2400 average density kg / m3 105 115 120 130 140 150 160 200 The average thermal conductivity (10 ℃) W / mk 0.039 0.0425 0.043 0.044 0.046 0.047 0.048 0.065 The average compressive strength MPa 0.5 0.7 0.8 1.0 1.2 1.4 1.6 2.4 ppm ≤2 chlorine ion content by volume of water absorption Vol% ≤0.5 temperature ℃ -268 ~ +480 linear expansion coefficient of 1 / ℃ 9 × 10-6 Series 2: Foam glass products technical indicators (in line with JC / T 647-2005) Physical Properties Unit LSN-1 LSN-2 average density kg / m3 150 ± 10 170 ± 10 The average thermal conductivity (10 ℃) W / mk 0.060 0.064 Compressive strength MPa 0.8 1.1 average volume of water absorption Vol% ≤0.5 temperature ℃ -196 ~ + 450 linear expansion coefficient of 1 / ℃ 9 × 10-6