clear fused quartz tube | Global Trade leader ecrobot

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clear fused quartz tube

Posting date : Apr 05, 2013

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MACHINERY & ELECTRICAL | Electrical

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85-

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Clear fused quartz tube： 1. low content in –OH, high purity, good spectral transmission, well controlled dimension 2. main size----OD:2-160mm WT:0.6-5.0mm L:500-3000mm 3. it is used in stream line production 4. dinmension tolerance Range of OD OD WT Siding Out of round Bow/1220mm ≤6mm ±2.0% ±10% 12% 2.0% 2.5mm 6.00-15.00mm ±1.25% ±8% 10% 1.5% 2.5mm 15.00-20.00mm ±1.25% ±10% 15% 1.5% 2.5mm 20.00-25.00mm ±1.25% ±10% 15% 1.5% 3.0mm 25.00-30.00mm ±1.35% ±12% 15% 1.5% 3.0mm 30.00-80.00mm ±1.5% ±14% 15% 2.0% 3.0mm 5. chemical composition Cr Ge Fe Mg Ti Ca Al Na Li K 0.1 0.4 1.5 0.4 0.1 0.8 16 2.3 0.5 2.0 6. spectral transmission at 1.0mm thickness Nm ≤220 255 280 315 350 380 590 780 % 89 91 93 93 93 93 93.2 93.4 7. physical properties Density 20℃kg.m﹣3 2.2 Coefficient of expansion 25-300℃℃﹣1 0.58 Softening point(℃) 1670 Annealning point(℃) 1210 Strain point(℃) 1110 Youngs Modulus 7.3×105