用途：主要用于测温热电偶外保护管及冶金、钢铁、玻璃等行业化学分析用。
材质：1.刚玉管 2.高铝质
类别：1.保护管 2.绝缘管 3.通管
材质/参数 | AL2O3 | Sio2 | Fe2O3 | 碱性物质 | 密度 | 硬度 | 吸水率 | 抗折强度 |
刚玉 | ≥99% | ＜0.2% | ＜0.1% | ＜0.1% | 3.9g/cm3 | 9M | ＜0.1% | ≥2000kg/cm2 |
刚玉 | ≥95% | ＜0.5% | ＜0.3% | ＜1.5% | 3.5g/cm3 | 8M | ＜0.15% | ≥1800kg/cm2 |
高铝 | ≥85% | ＜12% | ＜0.5% | ＜2.5% | 2.6g/cm3 | 7M | ＜0.2% | ≥1300kg/cm2 |
气 密 性：在1.3kpa负压下，保持10分钟，压力下降小于0.31pa
耐 热 性：将管子插入炉内20mm,加热至1600℃，保温30分钟，不弯曲、不软化。
膨 胀 系 数：刚玉质8×10-8 高铝质5×10-8
使 用 温 度：刚玉质长期：1600℃ 短期：1800℃
高铝质长期：1300℃ 短期：1600℃
急冷急热性能：刚玉质1300℃-室温三次不炸裂
高铝质1300℃-室温三次不炸裂
Zibo Huayan Industrial Ceramics Co., Ltd., located in Zibo, Shandong Province, was founded in 1986. It is a high-tech enterprise specializing in the production of alumina ceramics and quartz ceramics.
The company covers an area of 32000 square meters, with a building area of 13000 square meters; more than 200 employees, including 36 professional and technical personnel, is a member of the national industrial ceramic standard committee, and is certified by the ISO9001:2000 international quality management system. At present, the company has 300 thousand production lines of annual production of ceramic rolls, 20 thousand fused silica ceramic roll production lines, 100 thousand corundum high alumina protective pipe production lines and 3000 tons of silicon carbide production line.
Based on the spirit of "striving for self-improvement and keeping pace with the times", the company strives to advance towards the goal of "leading technology, quality and efficiency".
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