unglazed kiln shelf for firing

{"cid":"91181241","title":"High Density Cordierite Kiln Shelf Customize 10-30mm With 1300C Heat Resistance","imgUrl":"https:\/\/img.ismap.com\/nimg\/8d\/fc\/b318054baa213e06a9fcfe062b78-200x200-1.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","Color":"White Or Yellow","Heat Resistance":"1300\u2103","Thermal Expansion Coefficient":"2.2\u00d710-6\/\u2103","Thermal Shock Resistance":"200\u2103","Thickness":"10-30mm","Shape":"Rectangular,round, Square","Usage":"Kiln Firing","Edge":"Smooth"}}

{"cid":"91221035","title":"Common Refractoriness Oxidation Firing Nitride Bonded Silicon Carbide Plate Ceramic Kiln Shelf","imgUrl":"https:\/\/img.ismap.com\/nimg\/0c\/34\/88d6ad4d3fe87eb7f12cec57d1ba-200x200-1.jpg","attrs":{"Price":"$10.00 - $30.00\/pieces","Brand Name":"hongtai","Model Number":"Sic refractory plate","Minimum Order Quantity":"10 pieces","Place of Origin":"Henan, China","Shape":"Plate","Material":"silicon carbide plate","SiO2 Content (%)":"0.3-15","Al2O3 Content (%)":"<12%","MgO Content (%)":"0.8-1.2%","CaO Content (%)":"0.34%","Refractoriness (Degree)":"Common (1580\u00b0< Refractoriness< 1770\u00b0), 1580-1770","CrO Content (%)":"0.002%","SiC Content (%)":"85Min","Processing Service":"Bending, Welding, Punching, Decoiling, Cutting, Moulding, silicon carbide plate for kiln furniture silicon","Product name":"Silicon Carbide Kiln Furniture","Application":"kiln furniture","Color":"Black","Size":"Customizable","Bulk Density(g\/cm3)":">2.65","Type":"manufacture"}}

{"cid":"91210123","title":"Red Clay Terracotta Hollow Breeze Blocks Bricks For Wall Cladding Panel","imgUrl":"https:\/\/img.ismap.com\/nimg\/af\/44\/e6cac47c6dda7f9771a146a9d9e0-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Dannuo Gardens","Model Number":"B241211","Minimum Order Quantity":"500 Pieces","Delivery Time":"15-25 work days","Place of Origin":"Henan, China","Payment Terms":"L\/C, T\/T","Supply Ability":"100000 Piece\/Pieces per month decorative breeze blocks","Packaging Details":"fumigation-free plywood case by 1000*900*900mm","Material":"Natural terracotta","Water Absorption":"6%","Color":"Natural red","Surface":"Matte","After-sale Service":"Online Technical Support","Frost Resistance":"-30 \u00b0c","Technique":"Sintered","Heat insulation":"800 centigrade","Craft":"High temperature fired","Usage":"To build walls which serve to block sun and create a cooling wall for air to flow"}}