hvac system 4 insulated flex duct

{"cid":"91226458","title":"K-Flex Class 0 Closed Cell Rubber Foam Sheet For Duct Thermal Insulation","imgUrl":"https:\/\/img.chinax.com\/nimg\/62\/d7\/962e14f3067386bc5313c00e6341-200x200-1.jpg","attrs":{"Brand Name":"K-Flex","Minimum Order Quantity":"1 carton","Delivery Time":"15\u201320 days","Place of Origin":"China","Usage":"Sound Heat Insulation","Fire Rating":"B1","Productname":"K-Flex","Fireresistance":"Class 1 \/ Class O","Package Gross Weight":"7-9kg","Thermal Conductivity":"0.033\uff5e0.038W\/(M\u00b7K)","Applications":"HVAC, refrigeration, plumbing, industrial insulation","Installationmethod":"Self-adhesive or mechanical fastening","Max. Service Temperature":"+105 \u00b0c","Thermalconductivity":"0.034 W\/m\u00b7K","Chemicalresistance":"Resistant to oils and chemicals","Certification":"CE\/ISO","Shipping Cost:":"Contact the supplier about freight and estimated delivery time.","Watervaporpermeability":"0.1 perm-inch","Brand":"K-Flex","Uvresistance":"Good","HS Code":"4008110000","After-sales Service":"Online technical service","Density":"56 kg\/m\u00b3","Temperaturerange":"-40\u00b0C to +105\u00b0C","Trademark":"K-Flex","Producttype":"Elastomeric Insulation","Standardscompliance":"ASTM C534, UL 94","Supply Ability":"Subject to order quantity and specifications","Water Vapour Diffusion Resistance Factor":"\u2265 10,000","Color":"Black","Packaging Details":"Cartons \/ PE Bags","Package Size":"208*39*32.5cm","Temperature Range":"-50\uff5e105\u2103","Shipping":"Support Sea freight","Highest Working Temperature":"105\u2103","Payment Terms":"T\/T","Warranty":"5 years","Formaldehyde Emission":"Non","Vacuum Water Absorption":"\u226410%","Material":"Closed-cell synthetic rubber","Flexibility":"High"}}