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Raku-Raku®超高温石墨卷材
产品规格:
宽度:1000mm或1500mm, Width: 1000mm or 1500mm, 卷材长度:30m,50m,80m; 板材长度:1000mm或1500mm; Rolls leght: 30m,50m,80m; Sheet leght:1000mm or 1500mm; 卷材厚度:0.15mm-1.0mm; 板材厚度:1.0mm-5mm; Rolls thickness:0.15mm-1.0mm; Sheet thickness: 1.0mm-5.0mm 其它特殊规格客户可要求 Other special specifications customer may request
应用:
主要应用于航空航天、核工业、石化炼油、钢铁冶炼等众多超高温部位的密封。 Mainly used in aerospace, nuclear industry, petrochemical refining, iron and steel smelting and many other ultra-high temperature sealing.
特点&优点:
提升石墨材料抗辐射系数,降低功耗。 Improving radiation resistance coefficient of graphite materials and reducing power consumption. 提升石墨材料的抗氧化、抗腐蚀,增加材料的机械强度。 Improve the oxidation resistance and corrosion resistance of graphite materials, and increase the mechanical strength of the materials 有效预防碳原子的挥发、氧原子的侵入,有效保护石墨材料的本真。 Effectively prevent the volatilization of carbon atoms and the invasion of oxygen atoms, and effectively protect the true nature of graphite materials. 石墨材料寿命能有大幅度提升。 The life of graphite material can be greatly improved.
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描述

Raku-Raku®超高温石墨密封卷材450℃时开始发生热失重(按国际标准测试,670℃状态下1小时烧失量为3.28%左右,如连续4小时的烧失量只有9.8%以下),并且有个关键特:超高温石墨在持续高温下的稳定性是普通石墨无法达到的。总体烧失量在后期小于0.8%,实验证明了其产品的稳定性。这是传统石墨密封无法比拟的,解决了在超高温领域的密封要求。此产品主要应用于航空航天、核工业、石化炼油、钢铁冶炼等众多超高温部位的密封。

Raku-Raku®Ultra-high Temperature Graphite Rolls

Raku-Raku®Ultra-high Temperature Graphite Roll begin to suffer thermal weight loss at 450°C (Testing by international standards,the weight loss at 670°C for 1 hour is about 3.28%,For 4 consecutive hours of weight loss is less than 9.8%),There's a key feature:The stability of ultra-high temperature graphite under continuous high temperature is not achieved by ordinary graphite.The weight loss was less than 0.8% at the later stage,The stability of the product was proved by experiments.This is incomparable to the traditional graphite seal, which solves the sealing requirements in the field of super high temperature.Mainly used in aerospace, nuclear industry, petrochemical refining, iron and steel smelting and many other ultra-high temperature sealing.

技术参数

项目 Item

参数Data

容积密度Bullk Density (g/cm3) 

1.02

温度 Temperature  ()

≤670

灰分  Ash  (%)

2.0

碳含量 Carbon (%)

98

硫含量 Sulphur (ppm)        

<750

氟含量 Fluoride (ppm)

≤10

氯含量 Chloride (ppm)

≤50

总卤素 Total halogen (ppm)

≤310

抗拉强度Tensile Strength(mpa)

4.7

压缩率 Compressibility (%)

48.6

回弹率 Recovey (%)

11.6

烧矢量 Oxidation rate in air at 670-4hr(%/hr)

<4

 

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