high hardness after curing amino molding plastic

{"cid":"91193831","title":"Spot Customizable Color Amino Molding Plastic Melamine Powder Urea Formaldehyde Resin Powder","imgUrl":"https:\/\/img.chinax.com\/nimg\/6a\/60\/345a97386eaf8d51b39f50361447-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Dongxin","Model Number":"A1","Minimum Order Quantity":"20 Metric Tons","Delivery Time":"15 days after be paid","Certification":"SGS, COA, MSDS","Classification:":"Urea Formaldehyde Resin Powder","Feature":"Impact resistance, non-friable, high hardness, and good finish","MOQ":"20 Metric Tons","Application":"Melamine Bowl, Melamine Plates","Delivery":"Within 2 Weeks After Sales Contract Date","Sample":"Free for 1kg, But Freight Charge on Customers","Service":"OEM, ODM","Advantage":"Factory Price, Timely Delivery","Mold Shrinkage":"Less than 0.2%","Melamine Content":"99.9%","Place of Origin":"Jiangxi, China","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram, D\/A, D\/P","Supply Ability":"6000 Metric Ton\/Metric Tons per Month","Packaging Details":"25kg PP woven bag with inner waterproof PE film."}}

{"cid":"91199485","title":"High Hardness PU Polyurethane Casting Resin Plastic For Industrial Parts Molding","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/45\/e3534454fec4e80d4b0bc32e13e6-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"MC","Model Number":"MC-PU90A\/B","Minimum Order Quantity":"320kg","Delivery Time":"3-5 working days after payment","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"4000kg per day","Packaging Details":"20kg per drum","Product Name":"Polyurethane Resin","Color":"Clear Yellow","Hardness":"90 shore A","Viscosity":"2500","Mix Ratio":"1:1","Gel time":"6-10 mins","Curing time":"24 hours","Applications":"Molding and casting","Shelf life":"6 months","Hs Code":"3909500000"}}