Round Bottom Clear Fused Silica Quartz Glass Test Tube with Rubber Stopper

• Customization: Available
• After-sales Service: Yes
• Warranty: 1year
• Model NO.: HB-QTT
• Disposable: Non-Disposable
• Certification: CE, ISO, RoHS
• Material: Quartz or Glass
• Capacity: 10ml
• Type: Ordinary Test Tube
• Made of: Quartz or Boro3.3
• Size: Can Be Customized
• Color: Clear
• Bottom: Round or Flat
• Anneal Point: 1180 Degree
• Soft Point: 1680 Degree
• Strain Point: 1120 Degree
• Kayword1: Quartz Test Tube with Rubber Stopper
• Keyword2: Quartz Test Tube
• Keyword: Test Tube
• Transport Package: Standard Export Package to Avoid Breaking
• Specification: CE, Rohs
• Trademark: HB
• Origin: Jiangsu
• HS Code: 7013990000
• Production Capacity: 1000PCS Per Month

Product Description

Round bottom Clear fused silica Quartz Glass Test Tube :
The clear quartz test tube is made of fused quartz glass and quartz glass mechanical properties than coin glass and ceramics are better. And the theoretical calculated strength of quartz glass  test tube is very high

Product Description

1. Material properties of clear quartz glass test tube :

 

Compressive Strength	>1100Mpa	Coefficient of thermal expansion	5.5×10^-7cm/cm.°C
Bending Strength	67Mpa	Hot work temperature	1750~2050°C
Tensile Strength	48.3Mpa	The temperature for a short time	1200°C
Poisson's Ratio	0.14~0.17	The temperature for a long time	1100°C
Elastic Modulus	71700Mpa	Resistivity	7×10^7Ω.cm
Shearing Modulus	31000Mpa	Dielectric Strength	250~400Kv/cm
Moths Hardness	5.3~6.5(Moths Scale)	Dielectric Constant	3.7~3.9
Deformation Point	1350°C	Dielectric absorption coefficient	<4×10^4
Specific Heat(20~350°C)	670J/kg °C	Dielectric loss coefficient	<1×10^4

 

Clear quartz glass test tube:

1.stopper material: rubber, cork, PTEF, Aluminum screw stopper, bamboo stopper

 

2.Bottom: flat bottom and round bottom

 

3.High temperature resistance

 

4.size: 20ml, 25ml, 30ml and can be customized according to drawing

5.edge: rim, flange, fire polishing, cut square

 

 

Company Profile

Based on quartz and ceramics, after more than 20 years development, Highborn Group has grown up to a modern enterprise in research, manufacture, processing and sales. We are mainly supplying quartz glass, cuvette, precise ceramics, porous ceramics, thick film resistor, ozone generator, metal fiber felt,polyester fiber cotton products and we have been offering our products and services to our clients from more than 109 countries or regions.

Highborn Group is paying great attention to the product quality and technology research all the time. We have passed ROHS, CE, MSDS tests and also the ISO9001 authentication. We have 8 registered trademark and 25 patents. Also in 2020, we won the title of China High-tech Enterprise and Jiangsu Private Science and Technology Enterprises.

We can offer not only qualified products, we can also supplying quality service including design, development, export and after sales. With our professional skills, advanced technology and quality material, we can design and develop new products or new applications according to the clients' expectation. We have custom-made new products and promoted the specifications for more than 1000 clients, and we have gotten good reputation from our clients.

Certifications

Group had declared more than 20 patents, including 11 authorized patents and 3 invention patents, which a national high-tech enterprise.

Our Service

1. High-quality products	2. Optimal price	3.SafeTransportation
4. Sample service	5. Customized size	6. Compensate for broken goods
7. Safe package	8. Transportation safety	9. Low procurement risk

Packaging & Shipping

Packing Details	We will packing by plastic/ polybay and bubble bags first , and then into the foam box,finally into the wooden cases/ carton/pallet or customized package.Every package can be offered with English installation instruction.
Delivery Details	We can deliver by any courier, eg, TNT, UPS, FedEx, EMS etc.We can also by air, sea etc.We can choose the way according to the requirements of customers to ensure the most safe, efficient and convenient transportation.

FAQ

1:What products and service can you offer us?
Answer: With the development more than 20 years, now we have 6 business division and we are supplying Quartz Glass (Tube, Rod, Plate and customized parts), optical glass and cuvette, and also various precise ceramics, porous ceramics and refractory ceramics. We have the full processing line for ceramic thick film resistors, far infrared ceramic glass heating panel, quartz tube/ceramic plate ozone generator, porous metal fiber and polyester fiber cotton products felt. For all the products, we can design and customize according to the clients' demand.

2: Before mass order, can you offer samples? How will you charge for them?
Answer: We are willing to offer samples to lower your purchasing risk. Generally, if from inventory, we can deliver out within 3days, however if need processing, we can deliver out within 15days. For some difficult items, the delivery time will be decided by its grade of difficulty. For some low value items, we can offer free sample, however we would like you to afford the freight cost. For customized products, we need to charge the developing cost.

3: What test report or certificate can you offer? What achievements have you made in research and development?
Answer: Till the end of 2021, we have passed many ROHS, CE, MSDS tests and also the ISO9001 authentication. We have 8 registered trademark and 25 patents. Also we won the title of China High-tech Enterprise and Jiangsu Private Science and Technology Enterprises.

4: Do you have any agent in our area? Can you export your products directly?
Answer: Till the end of 2021, we haven't authorized any company or person as our regional agent. From 2008, we have the export qualification and professional export team, and till the end of 2021, we have exporting our products to more than 109 countries and regions, and our clients can contact us and purchase our products or service directly.

5: If the quality can not meet the requirement or any loss during the freight, how should we do?
Answer: We have strict QC test and professional QC team. We are always offering qualified products. If anything goes wrong, the quality can not meet requirement on the contract, we will reproduce the qualified products or refund the payment. We have the professional packing team and will pack the product in safe package for long distance delivery. If any loss during the freight, we hope you can assistant us to claim from the logistics company and we will arrange the replacement accordingly.