黄色av免费在线观看,亚洲区一区二区三区,日韩人妻无码中文字幕视频 ,久久国产一区二区

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)