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CristolBrite™ 845M

1 of 5 products in this brand
CristolBrite™ 845M is thermally modified quartz with rounded grain and narrow particle size. It is white, very bright, of high purity, does not absorb moisture and is chemically inert. It is highly engineered version of cristobalite which we manufacture in our own plant in the United States.

Grade: High Purity Grade

Labeling Claims: Additive-free, High Purity

Features: High Hardness

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Features & Benefits

Base Chemicals Features
Features
  • Highest Whiteness and Brightness
  • Highest Purity
  • Consistent Sizing
  • Air Classified

Applications & Uses

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Brightness (Hunter Y)95--
BET Surface Area1.9m2/g-
pH8.5--
Refractive Index1.48--
Hardness6.5Mohs-
Specific Gravity2.33--
Brightness (Hunter b)0.49
Brightness (Hunter a)0.14
Brightness (Hunter L)96
Particle Size Distribution
ValueUnitsTest Method / Conditions
Particle Size (min. 1)97micron-
Particle Size (min. 3)75micron-
Particle Size (min. 5)60micron-
Particle Size (min. 10)40micron-
Particle Size (min. 15)25micron-
Particle Size (min. 20)15micron-
Particle Size (min. 30)8micron-
Particle Size (min. 40)max. 1micron-
Particle Size D507micron-
Particle Size (min. 50)max. 1micron
Chemical Analysis
ValueUnitsTest Method / Conditions
Sodium Oxide (By Weight)0.13%-
Titanium Dioxide (By Weight)0.01%-
Calcium Oxide (By Weight)0.02%-
Iron (III) Oxide (By Weight)0.04%-
Silicon Dioxide (By Weight)0.09%-
Silicon Dioxide (By Weight)99.7%
Aluminium Trioxide (By Weight)99.7%-
Aluminium Trioxide (By Weight)0.09%

Regulatory & Compliance