Flame Fused High-purity No-bubble Quartz


Introduction

331产品图280-496 拷贝.jpg

FLH331 is a quartz material made of synthetic sand. Thanks to the high purity, few bubbles, no inclusions, high transmittance, etching resistance, high temperature resistance and other characteristics,FLH331 could be used in advanced semiconductor manufacturing process, optics, chemical processing, ultraviolet and high temperature windows,etc.

  

  Chemical purity


FLH331 Typical Mean Value   (ppm)

Al

0.14

B

0

Ca

0.41

Co

0

Cu

0

Fe

0.13

K

0

Li

0

Mg

0.06

Mn

0

Na

0.29

Ni

0

Ti

0

OH

200


UV spectral transmittance

331光谱扫描曲线280-540.jpg


Bubbles and inclusions

The allowable number of bubbles and foreign matter per 100g of glass   

The diameter(mm) and number of bubbles

0.03~0.30

0

0.31~0.70

0

>0.7

0

number

0

The diameter (mm) and number of transparent or opaque impurities

0.3~0.7

0

0.8~1.0

0

1.1~3.0

0

number

0

  FLH331 
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