Quartz Ground Glass Joint Bottle
High-Purity Quartz Glass
Extreme Temperature Tolerance
Superior Chemical Inertness
Low Thermal Expansion
Description
Product Advantage
• Inert & Contamination-Free
• Universal Compatibility
• Durability & Longevity
• Visibility & Precision
• Versatile Design
• Precision Ground Glass Joints
• Optical Clarity
• Ergonomic Structure
Application
• Research Laboratories
• Pharmaceutical & Biotech
• Environmental Testing
• Chemical & Petrochemical Industries
• Education & Training
Properties
|
Physical Properties |
Values |
|
Purity |
＞99.99% |
|
Density |
2.2g/cm3 |
|
Transparency |
＞90% |
|
Mohs Hardness |
5.5--6.5 |
|
Deformation Point |
1280℃ |
|
Softening Point |
1780℃ |
|
Annealing Point |
1250℃ |
|
Specific Heat (20 - 350°C) |
670J/kg.℃ |
|
Thermal Conductivity (20°C) |
1.4W/m.℃ |
|
Heat Conductivity (w/m.k,1000 ℃ ) |
1.0-1.2 |
|
Refractive Index |
1.4585 |
|
Coefficient of Thermal Expansion |
5.5*10 -7cm/cm.℃ |
|
Hot - working Temperature |
1750--2050℃ |
|
Short - term Service Temperature |
1300℃ |
|
Long - term Service Temperature |
1100℃ |
|
Chemical Properties |
Values |
|
Acid resistant |
Strong Acid(except HF),Strong alkali, organic solution |
|
High temperatures Corrosion resistant |
Excellent |
|
Metal Impurity Content |
＜5 ppm |
|
Electrical Properties |
Values |
|
Resistivity |
7*107Ω.cm |
|
Insulation Strength |
250~400Kv/cm |
|
Dielectric Constant |
3.7~3.9 |
|
Dielectric Absorption Coefficient |
＜4*10-4 |
|
Dielectric Loss Coefficient |
＜1*10-4 |
|
Mechanical Properties |
Values |
|
Compressive Strength |
1100MPa |
|
Bending Strength |
67MPa |
|
Tensile Strength |
48MPa |
|
Poisson's Ratio |
0.14~0.17 |
|
Young's Modulus |
72000MPa |
|
Shear Modulus |
31000MPa |
Shipping
FAQ
Q1: How do I clean stubborn residues from the bottle?
A1: Rinse with distilled water first. For organic residues, use ethanol or acetone; for inorganic deposits, soak in 10% HCl (non-HF-based) and rinse thoroughly. Avoid abrasive brushes to protect the glass surface and joints.
Q2: Are the ground glass joints compatible with non-quartz labware?
A2: Yes, as long as the joints follow the same NS/GL standard (e.g., NS 24/40). Ensure both pieces are clean and lightly greased (with silicone grease for vacuum setups) for optimal sealing.
Q3: Can the bottle be heated directly on a hot plate?
A3: Yes, but use a ceramic or wire mesh pad to distribute heat evenly. Avoid direct flame heating; for rapid heating, use a preheated heating mantle compatible with quartz glass.
Q4: Does the bottle leach ions into stored solutions?
A4: No. High-purity quartz is non-leaching, making it ideal for trace analysis (e.g., ICP-MS samples) where metal contamination must be minimized.
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