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The joist-supported duct had both compression and sag.\n\nSag - With joist-supported duct, they looked at natural sag and long-term sag. The difference between the two is that long-term sag represents and extreme case.\n\nSAI INSULATION INDIA\nNO- 14, GROUND FLOOR, KALIKA NAGAR,\nANDRALLI MAIN ROAD,NEAR PEENYA\n2ND STAGE,BANGALORE - 58\n\nAjay\n9738386050 9900190088\nsaiinsulationindia@gmail.com\nDelars in ROCKWOOL,MINERALWOOL,FIBER GLASSWOOL,LOOSE GLASSWOOL,NITTRIL RUBBER,ROCKWOOL LRB,XLPE FOAM, CERAMIC WOOL EXT", "price": 0.0, "discountamount": 0.0, "currencycode": "INR", "priority": 1000000, "isfreeshipmentavailable": false, "shipmentduration": 7, "_keywords": [ "flex duct", "duct sizes", "natural sag", "MINERALWOOL", "ROCKWOOL LRB", "KALIKA NAGAR", "GROUND FLOOR", "diameter round", "NITTRIL RUBBER", "low compression", "LOOSE GLASSWOOL", "FIBER GLASSWOOL", "CERAMIC WOOL EXT", "FLEXABLE DUCT INSULETED", "different compression percentages" ], "isarchived": false, "isavailable": true, "applicationid": null, "productindex": 26, "imageuri": "https://productimages.withfloats.com/actual/5b57034cdc69d3050884e324.jpg", "tileimageuri": "https://productimages.withfloats.com/tile/5b57034cdc69d3050884e324.jpg", "images": null, "totalqueries": 0, "gpid": null, "groupproductid": null, "createdon": "2018-07-24T10:45:32.544Z", "updatedon": "2018-08-08T18:43:41.712Z", "buyonlinelink": null, "producturl": "http://WWW.SAIINSULATIONINDIA.COM/products/flexable-duct-insuleted/26", "availableunits": -1.0, "iscodavailable": true, "isprepaidonlineavailable": false, "maxcodorders": 0, "maxprepaidonlineorders": 0, "uniquepaymenturl": null, "brandname": null, "category": "FLEX DUCT", "tags": [ "FLEX DUCT" ], "variants": false, "keyspecification": null, "otherspecifications": null, "pickupaddressreferenceid": null, "paymenttype": "None", "producttype": "products", "hsncode": null, "gstslab": 0.0, "isnotforsale": false }, { "_id": "5b6b39dd3ca1150526ac47dc", "fptag": "SAIINSULATIONINDIA", "merchantname": null, "customwidgets": null, "externalsourceid": null, "name": "Elastomeric Nitrile Rubbers ", "description": "Product description:\n\nThese Elastomeric Nitrile Rubbers is available with a density of 70 to 80 kg/m3 and thermal conductivity at mean temperature (0ºC) is 0.037 and mean temperature (40ºC) is 0.041. These are easy to install and has high energy conservation. These nitrile rubbers are flexible in use and available in different shapes and sizes as per our requirements.\n\nTechnical Data:\n\nAverage Physical Properties \t \tTest Method\n Density \t 70 to 80 kg/m3 \t \n Thermal Conductivity (W/m.K) Mean temp (0ºC) Mean temp (40ºC) \t 0.037 0.041 \t ASTM C 177 or C 518\n Water vapor permeability wet cup perm-in [kg/(m.s.Pa)] \t 0.17 (2.47 x 10) \t ASTM E 96 Procedure A\n Flame & Smoke Ratings \t 25/50 \t ASTM E 96 Self Extinguishing\n Water absorption, % by volume \t 0.2% \t ASTM C 209\n Ozone Resistance \t Good \t \n Temp. 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