b1 b2 fire rating al mg mn alloy roof panel

{"cid":"91219446","title":"Premium Al-Mg-Mn Alloy Greatwall Roof Panel with B1\/B2 Fire Rating and Customizable Surface Treatment","imgUrl":"https:\/\/img.chinax.com\/nimg\/79\/30\/153c85d346ec77ae132a73abc872-200x200-1.jpg","attrs":{"Price":"USD 16\/\u33a1","Brand Name":"Shandongchangyuan","Model Number":"30\/50\/80mm","Minimum Order Quantity":"500 m\u00b2","Delivery Time":"5-8 works day","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"10000\u33a1\/day","waterproof":"Yes","Thickness":"45\/65\/95mm","Width":"950mm","Weight":"Customizable","Color":"Customizable","Fire Rating":"B1\/B2","Surface Treatment":"Customizable","Durability":"Yes"}}