Kingwellsponged rubbersheet is a high quality flexible insulation product designed for insulating in the field ot heating,ventilating,air-conditioning and refrigerating on the basis of the elastomeric foam with closed-cell structure. Kingwell provides efficient method of preventing undersirable heat gain or loss in chilled water systeml,cold and hot water plumbing,refrigerated pipes,air-conditioning ductwork and equipment.Characteristics:1. CFC/HCFC free.2. Low Heating Conductivity.3. Low Water Absorption Rate.4. Good Fireproof and Soundproof Performance.5. Good Aging Resistance Performance.6. Easy Installation.PRODUCT DATAPropertyUnitValueTest MethodTemperature range°F (°C)-297 220 (-183 105)-Density rangelbs./ft³(kg/m³)3.0 6.0 (48 96)ASTM D1622 or D1667Thermal conductivity75°F mean T (24°C)Btu·in./h·ft²·°F (W/mK)0.27 (0.039)ASTM C177 or C51890°F mean T (32°C)Btu·in./h·ft²·°F (W/mK)0.276 (0.040)Water vapor permeabilityperm-in (kg/m·s·pa)0.08 (1.16×10-13)ASTM E96 Procedure A DIN 52615Flame spread and smoke developed index-25/50ASTM E84, CAN/ULC S 102V0UL94Water absorption, by volume%0.2ASTM C209Mold growth-meet requirementUL181Bacterial resistancemeet requirementASTM G22Fungi resistancemeet requirementASTM G21/C1338Resistance to agent chemical-stable performance to agent chemical-Ozone resistance-goodASTM D1149Aging resistance-150 hours, slight wrinkles, no cracks, holes or distortion-Wall thickness (normal) Sheet/Rollin (mm)1/8", 1/4", 3/8", 1/2", 5/8", 3/4", 1", 1-1/4", 1-1/2", 2" (3, 6, 9, 13, 16, 19, 25, 32 , 40, 50)-Width, sheet/rollin (m)40", 48" (1, 1.22)-Length, sheetft (m)36" (0.915)-Length, rollft (m)98, 49, 33, 26, 23, 20, 13, 10, 10, 8 (30, 15, 10, 8, 7, 6, 4, 3, 3, 2.5)-Packaging:In plastic bag per roll, standard size as below(Thickness×Width×Length)1/4 Inch ×1M ×30M3/8 Inch ×1M ×20M1/2 Inch ×1M ×14M5/8 Inch ×1M ×12M3/4 Inch ×1M ×10M1 Inch ×1M ×8M1 1/4 Inch ×1M ×6M1 5/8 Inch ×1M ×4M1 7/8 Inch×1M ×3MThe width of 1M to 1.4M is available to provide.Kingwell Industries Asia Pacific Company Limitedis a global enterprise with core competencies in the field of rubber insulation which are widely used in the HVAC industry. For over three decades, Kingwell has grown from a single manufacturing plant in China to a global organization with product installation in over 30 countries in all continents. From the National Stadium in Beijing, to the high rises in New York, Hong Kong, and Dubai, people around and world are enjoying the quality of Kingwell products.