Yantai ZK Optics Co., Ltd.
                                                                                                           
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Borosilicate Capillary Glass Tube Od 6mm Id 0.77mm For Welding

Price Negotiable
Price: Negotiable
MOQ: 1pc
Delivery Time: 10 to 20 Working Day
Brand: ZKTD
Product Description


Material COE 3.3 borosilicate glass
Main Composition SiO2 80±0.5%
B2O3 2.4±0.2%
Na2O+K2O 4.3±0.2%



Chemical and Physical property

Coefficient of thermal expansion(20°C/300°C) 3.3±0.1(10–6K–1)
Softening point 820±10°C
Melting point 1260±20°C
heat resistance temperature 525±15°C
Hydrolytic resistance at 98°C ISO719-HGB1
Hydrolytic resistance at 121°C ISO720-HGA1
Density at 20°C 2.23g/cm3
Acid resistance ISO1776-1
Alkali resistance ISO695-A2


Stock size

φ6*φ0.5*6 (±0.02)
φ6*φ0.8*6(±0.02)
φ6*φ1.13*6(±0.02)
φ6*φ1.45*6(±0.02)
φ6*φ1.0*6(±0.02)
φ6*φ1.08*6(±0.02)
φ6*φ1.20*6(±0.02)
φ6*φ1.52*6(±0.02)
φ6*φ2.3*6(±0.02)
φ6*φ0.77*6(±0.02)
φ6*φ0.9*6(±0.02)
φ6*φ0.95*6(±0.02)
φ6*φ1.91*6(±0.02)
φ6*φ1.25*6(±0.02)
φ6*φ1.3*6(±0.02)
φ6*φ1.48*6(±0.02)
φ6*φ0.92*6(±0.02)


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Company Yantai ZK Optics Co., Ltd.
Location Jidong Industraial Park, Qianbaihujian, Yangfang Town, Changping District, Beijing, China
Contact Person Sherry

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