規(guī)格:厚度0.15—1.5mm;寬度1—1.5m;長(zhǎng)度1—500m;密度0.7—1.5g/cm3
性能:具有熱穩(wěn)定性、耐高低溫、耐腐蝕性等特點(diǎn)。
用途:是制造各種石墨密封件的基礎(chǔ)材料?芍谱魈盍檄h(huán)、石墨帶材、密封墊片、復(fù)合板材、氣缸墊,粘貼于各種金屬表面,改善密封性能。
Specifications: thickness 0.15-1.5mm; width 1-1.5m; length 1-500m; density 0.7-1.5g/cm3
Performance: It has the characteristics of thermal stability, high and low temperature resistance, corrosion resistance and so on.
Usage: It is the basic material for manufacturing various graphite seals. Packing rings, graphite strips, sealing gaskets, composite plates and cylinder gaskets can be made, which can be pasted on various metal surfaces to improve sealing performance.
項(xiàng)目 Items | 單位 Unit | 特性值 Speciality value | 備注 Remarks |
使用溫度范圍 Temperature scope | ℃ | 200-3300 | 非氧化環(huán)境 Non-oxidizing atmosphere |
氧化開始溫度 Oxidation temperature | ℃ | 450 | 大氣24小時(shí) 失重1% |
抗拉強(qiáng)度 Tensile strength | MPa | ≥4.0 | 1910N負(fù)荷 burthe |
壓縮率 compressibility | % | 35-50 | 1910N負(fù)荷 burthe |
回彈率 recovery | % | 12 | 1910N負(fù)荷 burthe |
熱傳導(dǎo) heat exchange | KCal/m.hr | 120 |
|
40 |
比電阻 resistance | UΩ*cm℃ | 900 |
|
250000 |
熱膨脹系數(shù) Heat expansion factor | 10-6/℃ | 5 |
|
10-4/℃ | 2 |
比熱重 Lgnition loss | % | 450℃ | ≤1 |
|
600℃ | ≤20 |
可根據(jù)用戶要求調(diào)整指標(biāo)