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北单比分奖金封顶吗

北单比分最高多少封顶:Method for removing bubbles on the surface of cast steel brick

點擊次數:   更新時間:19/04/18 13:21:04     來源:北单比分奖金封顶吗關閉分    享:
After the steel brick is manufactured for a period of time, sometimes some bubbles will appear. This phenomenon is very normal. As long as you understand the reason, it will be easy to solve, and let the product show its own beauty. characteristic.
1. Grouting products are too urgent to grout, the air can not be fully discharged, or the mud is overheated, it is easy to cause acidity and lose moisture, and the bubbles are not easy to be discharged, and glazed pinholes or bubbles are prone to occur.
2, the rotary billet, the grouting model is too dry (the model must contain 5%-6% of the water), the water absorption is fast, and it is easy to cause the glazed bubbles of the cast steel brick. If the model is too wet (10%-18% water), the absorption of moisture is too slow, and it is easy to produce glazed bubbles.
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