Low Viscosity UV Block Quartz Tube

I. Application

Mainly used in automotive, motorcycle headlamps and other low-power lamp bushings; It can also be applied to other sealing transition materials.

II. Product Features

It is a doped transparent quartz tube, which is about 150 ° C lower than conventional quartz glass materials. The extreme tolerance size control makes it have superior processing performance. It can be used in high-speed fast processing lines. It also has low hydroxyl group and UV-filter. C UV and other properties.

III. Product Type

WQPQ 321L ,Low viscosity UV Block Quartz Tube

IV. Typical Size

 OD RangeODToleranceWallThicknessWTToleranceOut ofRound Siding Bow
8-14.2±0.11~1.2±0.051.5%8%0.15%

V. Physical and Chemical Properties

i. Mechanical and Thermal Properties

Density(20℃kg/m3Thermal Expansion(200-300℃℃-1 Softening Point(℃)Annealin g Point(℃) Strain Point(℃)
2.26.3*10(-7)15351020965

ii. Impurity Value

ImpurityNaKMgLiCaFeAlTiCu
Typical value750.5131.52520.5

iii. OH Content

Typical Value without BakingAfter baking
70<10

iv. Viscosity and Temperature Curve

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