| 摘要 |
A high temperature refractory caulking composition useful for sealing coke oven ascension pipes, Sinter furnaces and the like, comprising: Ingredients % by Weight Alpha cristobalite 10- 30 Alpha-quartz 10- 50 Glassy polyphosphate having a deformation temperature of at least 500 DEG C. 10- 50 Bentonite clay 1- 10 Water An amount sufficient to form the above ingredients into a workable plastic mass. Optionally, amounts of Fluorspar and phosphoric acid may be added to the above.
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