Durable Quartz Test Tube - Circular Shape with 1210° C Annealing Point

• Customization: Available
• Shape: Circular
• Annealing Point: 1210ºC
• Model NO.: TJ-0008288
• Softening Point: 1680ºC
• Purity: 99.99%
• Dimensions: 2-500
• Strain Point: 1120ºC
• Chemical Composition: Silica
• Application: Electronic Heater
• Density: 2.2g/cm3
• Transport Package: Inner Bubble Film/Carton F: Shipping Cartons/Wood
• Specification: 20*20*20
• Trademark: Tengjun
• Origin: Jiangsu, China

Product Description

 

Products Show

Important Customer Notice

Before you place your order, please reach out to us for a tailored experience. The listed prices are indicative and not the final sale price. Due to the extensive variety of product dimensions, we require specific parameter details for processing. Kindly provide us with the outer diameter, thickness, length, and quantity of quartz tubes. For square pieces, provide the length, width, thickness, and quantity. It is highly recommended to send us your design sketches via email for an accurate quotation.

Transparent Quartz Test Tube - Back Cover Diameter & Design

 

Brand: Teng jun

We proudly manufacture premium fused quartz glass.
1) Supreme Purity: SiO2 content > 99.99%.
2) Exceptional Temperature Range: Operating at 1250°C with a Softening Point at 1730°C.
3) Unmatched Visual and Chemical Excellence: Outstanding resistance to acids and alkalis, coupled with robust thermal stability.
4) Commitment to Health and Eco-Friendliness.
5) Impeccable Quality: No bubbles, no trace of air pipelines.
6) Superior Electrical Insulation Capability.

 

 

Distinctive Features of Our Quartz Tubes and Glass Tubes:
1. Exceptional Purity Levels: SiO2 ranging from 99.99% to 99.999%.

2. Remarkable Hardness: Rated 5.3-6.5 on the Moh's scale.

3. High Temperature Resilience: Endure continuous exposure to temperatures up to 1200°C.

4. Superb Acid and Alkali Resistance: Quartz glass remains inert with all acids and bases, maintaining its stability.
Its durability is 30 times greater than that of ceramics, and 150 times that of stainless steel.

4. Outstanding Electrical Insulation: 10,000 times more effective than ordinary glass.

5. High Light Transmittance: Ranging from 85% to 95%, depending on the spectrum.

6. Exceptional Thermal Shock Stability: Featuring a minimal thermal expansion coefficient of 5.5×10-7/.

 

 

 

 

 

Compressive strength	>1100Mpa	Coefficient of thermal expansion	5.5x10-7cm/cm.
Bending Strength	67Mpa	Melting temperature	1750~1800
Tensile Strength	48.3Mpa	The temperature for a short time	1500
Poisson's Ratio	0.14~0.17	The temperature for a long time	1200° to 1300
Elastic Modulus	71700Mpa	Resistivity	7x107.2.cm
Shearing Modulus	31000Mpa	Dielectric Strength	250~400Kvicm
Moh's Hardness	5.3~6.5(Moh's Scale)	Dielectric Constant	3.7~3.9
Deformation Point	1650	Dielectric absorption coefficient	<4x104
Specific Heat(20~350°)	670J/kg	Dielectric loss coefficient	<1x104
Thermai Conductivity	1.4W/m	Pervious to light performance	80%-95%

Production process

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Product packaging

About US

 

 

 

 

FAQ

1. who are we?
We are based in Jiangsu, China, start from 2003,sell to Domestic Market(50.00%),Eastern Asia(7.00%),Eastern
Europe(6.00%),Southeast Asia(6.00%),South Asia(6.00%),North America(4.00%),Mid East(4.00%),Western
Europe(4.00%),Oceania(3.00%),Northern Europe(3.00%),Southern Europe(3.00%),South America(2.00%),Central America(2.00%). There are
total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Glass Capillary Tubes and Rods/Special Shaped Glass Capillary Tubes and Rods/ Quartz Plates/ Quartz Machined Parts/ Quartz
Instruments/ Quartz Laser Cavity Filter,Glass Capillary Tube and Rod,Special Shaped Glass Capillary Tube and Rod,Quartz Laser
Cavity Filter,Multi hole Laser Flow Tube,Fiber Optic Quartz End Cap,Plane Window,Quartz Parts,Quartz Apparatus.

4. why should you buy from us not from other suppliers?
Over 20 years experience, we specialize in the custom processing of various optical glass, including glass capillary tube /
rod,shaped glass tube / rod, quartz plate, laser cavity filter, fiber end cap, quartz instrument and quartz parts.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian.