6 hour duration fire roller curtain

{"cid":"91151403","title":"Less Than 6 Hours Fire Duration Fire Roller Curtain with Super Inorganic Fabric and Double Track for Fire Resistant Roller Shutter Safety","imgUrl":"https:\/\/img.chinax.com\/nimg\/a8\/ad\/ae8ea5d696f41ef7bf6645738f36-200x200-1.jpg","attrs":{"Brand Name":"Guangzhou Xingjin Fire Equipment Co.,Ltd.","Model Number":"Super fire roller curtain","Place of Origin":"Guangzhou, Guangdong, China","Open Style":"Rolling","Door Material":"Super Inorganic Fabric","Installation Method":"Wall-mounted","Transport Package":"Plywood Outer Box With Bubble Bag Or Paper","Track":"Double Track","Surface Finishing":"Finished","fire duration":"Less Than 6 Hours"}}

{"cid":"91187059","title":"Four Hours Rating Rolling Steel Fire Door \/ Gray Fire Rated Roller Shutter","imgUrl":"https:\/\/img.chinax.com\/nimg\/b8\/f6\/02ab6e42f210160815a6920caeba-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"ZHONGWO","Model Number":"ZW-JL11","Minimum Order Quantity":"1 set","Delivery Time":"35 Days After Payment Received","Certification":"3C, ISO9001:2008","Place of Origin":"CHINA","Payment Terms":"western union, ,cash, l\/c, t\/t","Supply Ability":"600 Sets per Day","Packaging Details":"Inside Bubble Bags+ Strong Carton+Wooden Frame","Material":"Inorganic Fiber Composite Cloth","Fire Resistance Duration:":"4H","Smoke Leakage":"0.05m3\/(m2.min)","Reel Deflection":"1\/2059(Standard:<1\/400)","Height Difference between two Curtain Surfaces":"8mm(\u226650mm)","Heat Insulation":"52\u2103(Average Temperature Rise on the Back Surface:\u2266140\u2103 )"}}