twin quartz tube

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twin quartz tube
Posting date : Jan 25, 2010
Membership
Free Member Scince Jan 31, 2007
Min. Order Quantity
1000
Payment Terms
T/T & L/C
Package
carton case
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Quick Detail
Place of Origin
China [CN]
HS-CODE
27-
Package & Delivery Lead Time
Package
carton case
Delivery Lead Time
FOBShanghai
Detailed Description
Twin quartz tube the surface of this kind of tube is smooth and the tube is colorless. the properties of the tube are: high purity(sio2>99.99%), abrasion resistance(any acid except hf acid ). fire resistance(softening point 1700 centigrade). low coefficient of thermal expansion(5.5x10-7/centigrade, heat the tube to around 1100 centigrade, then put it into ordinary temperature water, the tube won't crack, ); the surface can be done with gold plating. gently using sizes: single outer diameter x double outer diameter 8x17mm, 11x23mm, 15x33mm length 400-4000mm

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