Standard Transparent Quartz Rod

I. Application

Quartz Welding Rod 、 Automotive light bridge rod , Quartz device materials, etc.

II. Product Features

High chemical purity and high temperature resistance, low coefficient of thermal expansion, strict tolerances, minimal appearance bubbles and gas lines.

III. Product Type

WQPQ191 ,Standard transparent quartz rod

IV. Typical Size

OD RangeOD ToleranceOut of RoundBow
2<Ф≤10±0.150.10%0.15%
10<Ф≤20±0.201.25%0.15%
20<Ф≤50±0.351.25%0.15%
50<Ф≤80±0.601.25%0.15%
80<Ф≤100±0.801.25%0.15%

V. Physical and Chemical Properties

i. Mechanical and Thermal Properties

Density(20℃kg/m3Thermal Expansion(200-300℃℃-1 Softening Point(℃)Annealing Point(℃)Strain Point(℃)
2.2*1035.6*10-7167012101110

ii. Impurity Value

ImpurityNaKMgLiCaFeAlTiCu
Typicalvalue 5.0 5.0 1.0 1.0 3.0 1.5 20 3.0 0.5

iii. OH Content

Typical Value without BakingAfter baking
160<5, <10, <15 , <20
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