permanent crown resin bl a2 shade

{"cid":"91220746","title":"Resin Permanent Crown Resin BL A2 A3.5 A1 A3 Shelf Life 3 Years Suitable Resin for Professional Dental Crown Applications","imgUrl":"https:\/\/img.chinax.com\/nimg\/19\/0c\/c3633feaafe80a925aa2dc584cf1-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"ZONMED","Model Number":"PRS-S","Minimum Order Quantity":"1kg","Delivery Time":"7-15 days","Place of Origin":"CHINA","Certification":"ISO","Packaging Details":"Carton packing","Payment Terms":"Negotiable","Supply Ability":"200 tons\/month","Hardness":"High","Manufacturer":"ZONMED.","Volume":"500Ml","Breaking Elongation Rate":"5.5-7.3%","Bending Modulus":"6500 Mpa","Shore D":"92","Material":"Resin","Usage":"Dental Crown"}}