long lasting durability cordierite kiln shelves

{"cid":"91181241","title":"Durable Cordierite Kiln Shelves Heat Resistant With 1300\u00b0C Capability","imgUrl":"https:\/\/img.ismap.com\/nimg\/f0\/91\/4cdafdaeafa40e87fbb05cf52cae-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","Size":"Customize","Density":"1.9-2.2g\/cm3","Usage":"Kiln Firing","Surface":"UnGlazed","Thickness":"10-30mm","Shape":"Rectangular,round, Square","Heat Resistance":"1300\u2103"}}

{"cid":"91102989","title":"High Thermal Stability Cordierite Mullite Slab Kiln Shelves For Ceramic Furnace Furniture","imgUrl":"https:\/\/img.ismap.com\/nimg\/69\/28\/275653394c974ef86bad8cdef795-200x200-1.jpg","attrs":{"Brand Name":"RONGSHENG","Certification":"ISO9001","Place of Origin":"Henan, China","Cold Crushing Strength":"55-60MPa","Performance":"Insulation","Apparent Porosity":"20-22%","Origin":"Xinmi","Feature":"High strength, good thermal shock resistance, low thermal conductivity","Shape":"Rectangular","Water Absorption":"\u22641%","Refractoriness":"\u22651790 \u2103","Material":"Mullite","Package":"Wooden pallet or as per customer's requirement","Cold Compressive":"1.2-2.5 Mpa","Chemical Composition":"Al2O3 \u226570%, SiO2 \u226525%","Color":"White","Efractoriness":"1790","Certificates":"ISO9001 CE"}}