NON-ALKALI GLASS

NON-ALKALI GLASS

  • CN 105,555,725 A
  • Filed: 09/17/2014
  • Published: 05/04/2016
  • Est. Priority Date: 09/20/2013
  • Status: Active Grant
First Claim
Patent Images

1. a non-alkali glass, its strain point is 680 ~ 735 DEG C, and the mean thermal expansion coefficients at 50 ~ 350 DEG C is 30 ×

  • 10 -7~ 43 ×

    10 -7/ DEG C, proportion is less than 2.60, Represent with the quality percentage of oxide compound benchmark, described non-alkali glass contains;

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