how to apply oil based polyurethane

{"cid":"91226260","title":"Indoor Non Exposed PU Waterproof Coating Water Based Liquid Polyurethane Roofing","imgUrl":"https:\/\/img.chinax.com\/nimg\/6a\/82\/367129de84d4c3317f7302cbea2f-200x200-1.jpg","attrs":{"Price":"USD 0.8\u20111.0\/kg","Brand Name":"shhous","Model Number":"Water\u2011borne eco\u2011friendly polyurethane coating","Minimum Order Quantity":"1000kg","Supply Ability":"1000000kg per Month","Package Form":"One\u2011can package, no on\u2011site mixing ratio required","Surface Dry":"\u22644","Through Dry":"\u22648","Low-temperature Flexibility":"No crack at -10\u2103","Waterproofness (0.3MPa, 30min)":"No water penetration","Packaging Details":"Pails+Bags","Product Grade":"Type\u2011\u2160, Type\u2011\u2161","Certification":"ISO","Tensile Strength \/MPa":"1.0","Place of Origin":"Shandong, China","Elongation at Break \/%":"\u2265300"}}

{"cid":"91223625","title":"A18: PAG Quenching Liquid Cooling Fluid Base Oil Lubricant Oil","imgUrl":"https:\/\/img.chinax.com\/nimg\/4c\/6d\/73c10091014164e5194623f74e50-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"LIHONG","Model Number":"PAG Quenching Medium","Minimum Order Quantity":"2mt","Delivery Time":"10-15days","Appearance":"Colorless to light yellow transparent liquid","Flash point":"235\uff5e245","Pour Point":"6","Viscosity Index":"430\uff5e500","Application":"Metal Working Oil","Certification":"ISO9001,14001,45001,Halal certification,OU certification","Place of Origin":"China","Payment Terms":"L\/C,T\/T","Supply Ability":"100MTS\/ MONTH","Packaging Details":"Liquid 25 kg\/barrel, 200 kg\/barrel, 900 kg\/barrel. (special packaging is available upon request).","Cloud Point 1%aq":"75","Package":"Packed in 204L iron drums or 1-ton drum","Type":"PAG","Product Name":"PAG Quenching Medium"}}