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Wear Resistance Silicon Carbide Kiln Shelves High Strength 530 * 330 * 20mm

Categories Silicon Carbide Kiln Shelves
Brand Name: KAMTAI
Model Number: KTSK2
Certification: SGS
Place of Origin: CHINA
Price: Negotiable
Payment Terms: L/C, T/T, Western Union, MoneyGram,Paypal
Supply Ability: 2000PCS /MONTH
Delivery Time: 25 days after payment
Packaging Details: Plywood box and Pallet
Name: Excellent quality refractory Silicon carbide kiln shelves 530*330*20mm
Type: Kiln shelf
Size: 530*330*20mm
Bulk Density: 2.7-2.75g/cm3
Feature: High temperature resistance
Packing: Box or Pallet
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    Wear Resistance Silicon Carbide Kiln Shelves High Strength 530 * 330 * 20mm

    Excellent quality refractory Silicon carbide kiln shelves 530*330*20mm

    1. Introduction

    Benefits such as high thermal conductivity, low mass, light weight, stability (i.e., no warping), and resistance to glaze sticking and penetration have gained these kiln shelves increasing acceptance from artists, educators, production potters, and tile manufacturers. Despite their popularity, questions are often raised regarding the appropriateness of the shelves’ use in resistance element electric kilns. Specifically, “Are they safe to use in my electric kiln?”

    While it is true that some forms of silicon carbide are specifically designed to conduct electricity (such as heating elements), the internal bond matrix—and especially the glassy, oxide layer that is intentionally fired onto the surface of Advancer shelves—dramatically lowers their electrical conductivity compared to other types of silicon carbide kiln shelves. As a result, the electrical conductivity value of kiln shelf is low enough to be considered safe for use in top-loading electric kilns.

    In addition, as the shelves are fired repeatedly in an electric kiln’s oxidizing atmosphere, the glassy layer continues to accumulate and further reduces the rate of conductivity. The use of cordierite or similar post compositions also eliminates the possibility of current being conducted from one level of shelves to another, should element contact occur on a lower shelf.

    2. Specification

    ItemTechnical Data
    Volume density(g/cm3)2.70-2.75
    Apparent porosity(%)7-8
    Strength at normal temperature(Mpa)>50
    High temperature bending strength(Mpa/1400℃)>55
    Cold crushing strength(Mpa)>90
    Refractoriness under load (℃)>1750(T2)2Kg/cm2
    Maximum service temperature (℃)1450
    Pyroconductivity (Kcal/m.h.℃)13.5-14.5
    Chemical compentSiC>90%
    Al2O3>99%(surface coating)

    Thickness can be 10-30mm

    3. Application

    1.) Side wall Electrolyzer cell chemical-industrial reaction pot.
    2.) Used as Kiln shed board, slide push board, sagger, Tuyere combined bricks.
    3.) Used in blast furnace belly, Bosh and lower stack, cooling wall, rubbish burning furnace and boiler.

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