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Quartz Glass Test Tube with Glass Stopper
Test Tube / Quartz Test Tube / Quartz Glass Test Tube
Features:
1. High quality, competitive price, and elegant design.
2. Excellent heat resistance and corrosion resistance.
3. No bubbles or processing defects.
4. Long service life.
Our Efforts:
1. Precise tolerance control (minimum ±0.1).
2. Accurate dimensions according to customer requirements.
3. Comprehensive after-sales service system.
Applications:
Widely used in semiconductor, metallurgy, chemical industry, electric light source, photo-communication, medical equipment, scientific instruments, and more.
We appreciate your visit and assistance. Please kindly provide your required sizes and technical specifications.
Specifications:
1. Silicon dioxide content: over 99.95%.
2. Excellent physical and chemical performance.
3. High thermal stability and anti-corrosion properties.
4. Visible light transmission: over 90%.
What We Can Do for You:
1. OEM service available.
2. Custom production based on your design, packaging, and logo printing.
3. Special packaging for fragile items to ensure safe transportation.
4. 0% complaint feedback.
5. 100% good reputation.
6. We offer high-quality products at reasonable prices to ensure you get the best value when purchasing from us.
Thermal Properties
Mechanical Properties
Electrical Properties
About Us:
HIGHBORN is a leading manufacturer and supplier of high-quality quartz glass and precision ceramics in China.
We have been a key player in the sale and fabrication of quartz glass within the semiconductor, chemical, solar energy, and precision ceramics industries. Our expertise spans across semiconductors, solar energy, textiles, electronics, and laser sectors.
Not only do we master advanced fabrication techniques, but our core strength lies in listening to and understanding our customers' needs and expectations.
Continuous improvement across all business areas is crucial to our growth. Equally important is maintaining our inherent family values of trust, fairness, and respect toward our employees, suppliers, and customers.
Frequently Asked Questions:
1. Q: How can I get samples?
A: If samples are in stock, we can offer them free of charge, but freight charges will apply. For customized samples, a small fee may be charged without profit.
2. Q: How can I trust you?
A: With over 10 years of experience, we have built a strong and trustworthy reputation.
3. Q: What are the payment terms?
A: We accept L/C, D/A, D/P, T/T, Western Union, and MoneyGram. Some payment methods may be limited depending on the country.
Test Tube / Quartz Test Tube / Quartz Glass Test Tube
| Â | 1238 | TEST TUBE | ||||||
| With graduations and ground-in glass stopper | ||||||||
| Capacity (ml) |
Graduation (ml) |
O.D. of tube (mm) |
Length (mm) |
 |  |  |  | |
| 5 | 0.1 | 12 | 130 | Â | Â | Â | Â | |
| 10 | 0.2 | 15 | 160 | Â | Â | Â | Â | |
| 15 | 0.2 | 16 | 180 | Â | Â | Â | Â | |
| 20 | 0.5 | 18 | 190 | Â | Â | Â | Â | |
Features:
1. High quality, competitive price, and elegant design.
2. Excellent heat resistance and corrosion resistance.
3. No bubbles or processing defects.
4. Long service life.
Our Efforts:
1. Precise tolerance control (minimum ±0.1).
2. Accurate dimensions according to customer requirements.
3. Comprehensive after-sales service system.
Applications:
Widely used in semiconductor, metallurgy, chemical industry, electric light source, photo-communication, medical equipment, scientific instruments, and more.
We appreciate your visit and assistance. Please kindly provide your required sizes and technical specifications.
| Properties | |||
| Density | Elastic modulus | Tensile strength | Hardness |
| 2.2 g/cm³ | 700×10³ kg/cm³ | -500 kg/cm³ | 5.5–6.5 |
Specifications:
1. Silicon dioxide content: over 99.95%.
2. Excellent physical and chemical performance.
3. High thermal stability and anti-corrosion properties.
4. Visible light transmission: over 90%.
What We Can Do for You:
1. OEM service available.
2. Custom production based on your design, packaging, and logo printing.
3. Special packaging for fragile items to ensure safe transportation.
4. 0% complaint feedback.
5. 100% good reputation.
6. We offer high-quality products at reasonable prices to ensure you get the best value when purchasing from us.
Thermal Properties
| Coefficient of Expansion (20°C–350°C) | 5.5×10â»â·/°C |
| Thermal Conductivity (W/m°C, 20°C) | 1.4 |
| Specific Heat (J/kg, 20°C) | 670 |
| Softening Point (viscosity) | 1730°C |
| Annealing Point | 1215°C |
| Deformation Temperature (long time heat retaining) | 1120°C |
Mechanical Properties
| Density (g/cm³) | 2.2 |
| Compression Strength (N/mm²) | 1100 |
| Bending Strength (N/mm²) | 67 |
| Tension Strength (N/mm²) | 48 |
| Micro Hardness (N/mm²) | 8600–9800 |
| Mohs Hardness | 5.5–6.5 |
Electrical Properties
| Electrical Resistivity (350°C, ohm-cm) | 7×10ⷠ|
| Insulating Strength (20°C, KV/cm) | 250–400 |
| Dielectric Constant | 3.7 |
About Us:
HIGHBORN is a leading manufacturer and supplier of high-quality quartz glass and precision ceramics in China.
We have been a key player in the sale and fabrication of quartz glass within the semiconductor, chemical, solar energy, and precision ceramics industries. Our expertise spans across semiconductors, solar energy, textiles, electronics, and laser sectors.
Not only do we master advanced fabrication techniques, but our core strength lies in listening to and understanding our customers' needs and expectations.
Continuous improvement across all business areas is crucial to our growth. Equally important is maintaining our inherent family values of trust, fairness, and respect toward our employees, suppliers, and customers.
Frequently Asked Questions:
1. Q: How can I get samples?
A: If samples are in stock, we can offer them free of charge, but freight charges will apply. For customized samples, a small fee may be charged without profit.
2. Q: How can I trust you?
A: With over 10 years of experience, we have built a strong and trustworthy reputation.
3. Q: What are the payment terms?
A: We accept L/C, D/A, D/P, T/T, Western Union, and MoneyGram. Some payment methods may be limited depending on the country.
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