Quartz Glass Test Tube with Glass Stopper

Model NO.: Quartz Glass Test Tube
Usage: Heating, Chemical Reactions
Keyword: Quartz Test Tube, Glass Lab Equipment
Keyword 1: Quartz Glass Test Tube
Keyword 2: Lab Test Tube with Stopper
Working Temperature: 1100°C
Anneal Point: 1080°C
Custom: Based on Drawing or Sample
Design: With Ground-in Glass Stopper
Trademark: Highborn, OEM Available
Transport Package: Plywood Box with Inner Carton
Specification: CE, ROHS Compliant
Origin: Jiangsu, China
HS Code: 7002100000
Quartz Glass Test Tube with Glass Stopper

Quartz Test Tube / Quartz Glass Test Tube / Lab Test Tube with Stopper
  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        
10 0.2 15 160        
15 0.2 16 180        
20 0.5 18 190        

Key Features:
1. High-quality quartz glass with excellent thermal resistance and chemical stability.
2. Elegant design with a ground-in glass stopper for secure sealing.
3. No bubbles or processing defects, ensuring long-term durability.
4. Customizable according to drawings or samples.

Our Commitment:
- Tight tolerance control (±0.1 mm)
- Accurate dimensions based on customer requirements
- Comprehensive after-sales service system

Applications:
Commonly used in semiconductor manufacturing, metallurgy, chemical industry, lighting, photo-communication, medical equipment, and scientific instruments.
We welcome 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/cm² -500 kg/cm² 5.5–6.5

Quartz Glass Test Tube with Glass Stopper

Specifications:
1. Silicon dioxide content over 99.95%
2. Excellent physical and chemical performance
3. High thermal stability and corrosion resistance
4. Visible light transmission over 90%

What We Can Do For You:
1. OEM services available
2. Production based on customer designs, packaging, and logo printing
3. Special packaging for fragile items to ensure safe delivery
4. Zero complaints, 100% good reputation
5. Competitive pricing with high-quality products

Thermal Properties:
Coefficient of Expansion (20°C~350°C) 5.5 × 10⁻⁷/°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
Moh's Hardness 5.5–6.5
Electrical Properties:
Electrical Resistivity (350°C, ohm-cm) 7 × 10⁷
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. With over 10 years of experience, we specialize in the production and sale of quartz glass for industries such as semiconductors, chemicals, solar energy, textiles, electronics, and lasers. Our commitment is to understand and meet our customers' needs while continuously improving our business and maintaining strong values of trust, fairness, and respect for all stakeholders. Frequently Asked Questions:

1. Q: How can I get samples?
A: If samples are in stock, we can offer them free of charge with shipping collected. For custom samples, we may charge a fee without profit.

2. Q: How can I trust you?
A: We have built a solid reputation over 10 years of operation in the industry.

3. Q: What are your payment terms?
A: L/C, D/A, D/P, T/T, Western Union, MoneyGram are all acceptable. Some methods may be limited depending on the country.

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