Low Viscosity Quartz Rod

I. Application

It is mainly used in bridge rods for automobile and motorcycle headlights and other low-power lamps.

II. Product Features

t is a doped transparent quartz rod, about 150 ° C lower than conventional quartz glass materials. It has good processing properties and can be used for high-speed fast processing lines. It also has low hydroxyl and high spectral transmission properties.

III. Product Type

WQPQ191L. low viscosity quartz rod

IV. Typical Size

OD RangeOD ToleranceOut of RoundBow
2-2.5±0.150.10%0.15%

V. Physical and Chemical Properties

i. Mechanical and Thermal Properties

Density(20℃ kg/m3 Thermal Expansion(200-300℃℃-1 Softening Point(℃)Annealing Point(℃)Strain Point(℃)
2.26.3*10-71450950865

ii. Impurity Value

ImpurityNaKMgLiCaFeAlTiCu
MAXvalue 7 5 0.5 1 3 1.5 25 2 0.5

iii. OH Content

Typical Value without BakingAfter baking
≤30<10

iv. Viscosity and Temperture Curve

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