Product Specifications

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Product Description

solar water heater evacuated glass tube 

High Resistance to Thermal Shock

High Hydrolytic Resistance

High Chemical Resistance

High Physical performance

Coefficient of mean linear thermal expansion(20,300)    3.3±0.1 10-6K-1

Transformation temperature                               525±15

Softening point                                                       820±10

Working point                                                           1260±20

Density at 20                                                             2.23±0.02g/cm3

Mean thermal conductivity(20-100)                      1.2w/m2k

Refractive index                                                          0.92

OD from 30-315mm

Length: from 10mm to 4000mm

Process:

cutting

firepolishing

sandblasting

printing

coating

hole drilling

Supply Ability

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Packaging and Shipping

Lead time

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Port

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Packaging details

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