cordierite shelf for round kiln firing

{"cid":"91181241","title":"2.2\u00d710-6\/C Smooth Cordierite Kiln Shelves 2.2g\/Cm3 For Round Kiln Firing","imgUrl":"https:\/\/img.chinax.com\/nimg\/7c\/5e\/fd9efb89a73b5e37a2460e592bd9-200x200-1.jpg","attrs":{"Price":"NEGOTIATE","Brand Name":"KAMTAI","Model Number":"KTJQS","Minimum Order Quantity":"300PCS","Delivery Time":"30 DAYS AFTER PAYMENT","Place of Origin":"CHINA","Certification":"ISO 9001","Packaging Details":"WOODEN BOX","Payment Terms":"TT","Supply Ability":"500000PCS\/MONTH","Edge":"Smooth","Thickness":"10-30mm","Material":"Cordierite-mullite","Thermal Expansion Coefficient":"2.2\u00d710-6\/\u2103","Heat Resistance":"1300\u2103","Shape":"Rectangular,round, Square","Density":"1.9-2.2g\/cm3","Usage":"Kiln Firing"}}