This document specifies the product classification, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of reaction sintered silicon carbide burner sleeves. This document is applicable to reaction sintered silicon carbide burner sleeves with a service temperature not higher than 1350 °C.
GB/T 21944.4-2022 Referenced Document
GB/T 10325 "Shaped refractory products—Rule of acceptance,sampling and inspection"
GB/T 14390 Fine ceramics (advanced ceramics,advanced technical ceramics).Test methos for flexural strength of monolithic ceramics at elevated temperature
GB/T 16546 General rules for packing, marking, transport, storage and quality certificates of shaped refractory
GB/T 16555 Chemical analysis of refractories containing carbon and silicon carbide or nitride
GB/T 25995 Test methods for density and apparent porosity of fine ceramics
GB/T 6569 Fine ceramics (advanced ceramics, advanced technical ceramics) - Test method for flexural strength of monolithic ceramics at room temperature
GB/T 21944.4-2022 history
2022GB/T 21944.4-2022 Special products of silicon carbide—Kiln furniture of reaction bonded silicon carbide—Part 4: Burner nozzles
2009GB/T 21944.4-2009 Special products of silicon carbide.Kiln furniture of reaction bonded silicon carbide.Part 4:Burner nozzle