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Screw/Stuffed cap round bottle transparent 5-100ml scale tube glass chemistry laboratory equipment

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Quick Details

Port: Shanghai/Nanjing
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,E-checking
Supply Ability: 10000 Pack/Packs per Month
Brand Name: RONGHUA
Type: Laboratory Galssware
Usage: Laboratory Analysis
Shape: slender
Keyword: test tube
Product Name: test tube
Color: Transparent
Classification: test tube
Material: Glass
Model Number: RH-test tube
Feature: Eco-Friendly
MOQ: 100 Pcs
Name: test tube
Packaging Detail: Cartons / wooden cases boxed (100 bottles / pack, 100 pads / pack)
Nanjing Ronghua Scientific Equipmnet Co., Ltd.
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Manufacturer, Trading Company
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US$ 30,000+
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Screw/Stuffed cap round bottle  transparent 5-100ml scale tube glass chemistry laboratory equipment









Silicon content:  80.7% Strain temperature:  540
Annealing temperature:  560 Softening temperature:  820
water resistance:  class IAnnealing temperature:  560
Heat resistant strain temperature (glass rod method):  300
Line thermal expansion coefficient:  20-300℃ 3.3*10 -6K-1


Product Description:

1.Glass instruments made with the excellent properties of glass are widely used in various laboratories such as chemical laboratories, medical laboratory, biological laboratory, scientific research laboratory and teaching laboratory.

2. Potassium borosilicate glass has a very low coefficient of thermal expansion, about one-third of ordinary glass, and can withstand temperature changes of about 200 ℃.

3. It is a kind of low alkali high borosilicate glass, does not contain calcium, magnesium, zinc and lead, has better physical and chemical properties, strong resistance to chemical corrosion, used in the production and processing of heat-resistant glass instruments and other demanding utensils.


Over the past 20 years, we have gained the trust and support of many customers. Our company has established close cooperative relations with many world famous brands, providing high-quality products and pre-sales and after-sales services for the scientific research and development of all walks of life. In order to respond to the national "ribbon" strategy, we set up an overseas international business department to become a cross-border e-commerce to expand overseas markets and bring high-quality products to overseas customers.




1.Do you provide free samples?

A:Yes. We offer free samples, including customized samples. You only need to pay the freight. Sample delivery date is within 1- 3days, customized sample is about 3-7days.

2.Can you provide us a competitive price and good quality products?

A:Yes. We have our strict evaluation criteria of quality on our partner factory, and we did complete and detailed market research and priced competitively.

3.What is your terms of payment?

A:We accept T/T, Visa, MasterCard, E-checking, L/C, Western Union and more.Please choose your preferred payment method. 4.How to inspect the goods?

A:Products will be checked by our QC staff first , then our project manager. Client can come and check by themselves or third-party check is available.