• Details

• 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.
  lianyungang granhtquartz factory
  

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