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Quick Details
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Model Number:
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STA-BG04
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Size:
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as customized
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Thickness:
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0.5-10mm
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thickness:
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0.5mm-10mm
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shape:
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as customiazed
Quick Details
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Type:
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Sandblasted Glass
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Place of Origin:
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Henan, China
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Brand Name:
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STA
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Model Number:
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STA-BG04
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Size:
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as customized
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Thickness:
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0.5-10mm
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thickness:
-
0.5mm-10mm
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shape:
-
as customiazed
Borosilicate glass tubing and rods made by us are well-known for their stability and pressure resistance, good workability and high thermal shock resistance. We have a very low rate of thermal expansion, which makes it an excellent material for laboratory glassware and for use in large-scale technological plants in the chemical apparatus industry. Our products are resistant to corrosion and remain absolutely neutral, even to aggressive
chemicals, in nearly all fields of chemistry. This brings them a great advantage over other materials. Borosilicate glass is extremely resistant to water, acids, salt solutions, organic substances and halogens. Tubing, capillary and rod also have a high alkali resistance for physical and chemical properties.
Specifications:
Outer Diameter:30mm-400mm
Wall Thickness:
0.2mm-
10mm
standard length:1500mm or according per requirment
shape: round, flat, tringle, hexagon
Chemical Compositions and Physical and Chemical Properties
| Chemical Compositions and Physical and Chemical Properties of Borosilicate Glass Type 3.3 | |||||
| composition | SiO2 | B2O3 | R2O | Al2O3 | Fe2O3 |
| weight% | 80.3 | 13.0 | 4.2 | 2.4 | 0.035 |
| Physics performance | Numerical Value | Unit | |||
| Medium coefficient if linear expansion | 3.3±0.1 | 10 -6 K -1 | |||
| Softening point | 820±10 | °C | |||
| Viscosity temperature | 510±10 | °C | |||
| Uper annealing temperature | 560±10 | °C | |||
| Thermal conductivity(20-100°C) | 1.2 | Wm -1 K -1 | |||
| Temperature for the specific electrical resistance | 240 | °C | |||
| 20°C Demsity ρ | 2.23±0.02 | g/cm 3 | |||
| Endure water under 98 °C | ISO0719-HGB1 | / | |||
| Endure water under 121 °C | ISO0720-HGA1 | / | |||
| Acid-proof test | Na2O≤100 | µg | |||
| Alkali-proof test | ISO0695 | / | |||
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