fire retardant pu foam for crack repair

{"cid":"91223399","title":"Industrial Fire Retardant PU Foam Windows Installation Fire Rated PU Foam","imgUrl":"https:\/\/img.chinax.com\/nimg\/c9\/bd\/d772c1fe583783b4e2ae1be0d473-200x200-1.jpg","attrs":{"Price":"1.18 ~ 1.58","Brand Name":"BILIN","Model Number":"B2","Minimum Order Quantity":"6000pcs for BILIN brand, 15600pcs for customer brand","Delivery Time":"Within 20 days after deposit","Place of Origin":"China","Certification":"CE,ISO,SGS,SGR","Packaging Details":"750ml\/500ml\/300ml, 12pieces\/1 carton,Container loading is determined by weight","Payment Terms":"L\/C,T\/T","Supply Ability":"50000000pieces per year","Other Name":"Polyurethane Foam","Type":"One Component","CAS No.":"7085-85-0","MF":"Mixture","EINECS No.":"230-391-5","Surface drying time":"10 minutes","Cutting time":"40 minutes-60 minutes","Application temperature":"5\u2103-40\u2103","Temperature range":"-40\u2103-+90 degrees Celsius","Shelf life":"18 months","Color":"Off-white","Usage way":"Gun and Straw","Storage":"store at 25\u2103 or below","Water Absorption":"1% Vol.","Base":"Polyurethane","Consistency":"Stable Foam","Curing System":"Moisture Cure","Tack-Free Time (min)":"7-12","Drying Time (dust-free, min)":"20-25","Cutting Time (hour)":"1-2 (+25\u00b0C) ; 3-4 (-5\u00b0C)","Yield (L)":"50-60 (from 1020g G.W. \/ 750mL)","Shrinkage":"None","Cellular Structure":"60-65% open cells","Density (kg\/m\u00b3)":"18-25","Temperature Resistance":"-40\u00b0C to +80\u00b0C","Application Temperature":"+5\u00b0C to +35\u00b0C","Fire Rating (DIN 4102)":"B2","Thermal Conductivity":"< 0.020 W\/(m\u00b7K)","Compressive Strength (kPa)":">180","Tensile Strength (kPa)":">30","Adhesive Strength (kPa)":" >120","Water Absorption (ml)":"0.3-8 (no epidermis); <0.1 (with epidermis)"}}

{"cid":"91200546","title":"Flame Retardant Soft PU Polyurethane Foam Spray High Moisture Resistance","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/e2\/24146940bad12d30d92d1296dcc4-200x200-1.jpg","attrs":{"Brand Name":"Junbond","Place of Origin":"China","Certification":"ISO9001\u3001ISO14001\u3001ISO45001\u3001CE","Viscosity":"Strong","Moisture Resistance":"High","Package":"Can","Color":"Multiple Colour","Advantage":"High Expansion, Flame Retardant, Can Be Used For Large Area Caulking","Firmness":"Soft","Material":"PU Foam","Fire Resistance":"High"}}