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Clear large diameter tempered high borosilicate glass tube

1-999 Pieces
1000-4999 Pieces
>=5000 Pieces
Min. Order
1 Piece
Note: Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.
Company Information

Changzhou Yong Jie High Temperature Resistant Glass Products Factory

CN Manufacturer
Response Time
Response Rate:
US$ 1,000+
2 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Temperature: 250℃-600℃
Composition: Quartz Glass
Place of Origin: Jiangsu China
Keyword: Borosilicate Glass Tube
Size: customization
Color: Clear
Model Number: LED Optical glass
Density: 2.5g/cm3
Certification: ISO9001-2000
Surface: Clean and no bubble
Brand Name: YONGJIE
Type: Tempered Glass,Optical Led Lens
materials: borosilicate glass,Pyrex, Optical glass
Product name: China High Quality Borosilicate 3.3 Borosilicate Glass Tube
Application: Lighting Glass
light transmittance: 95%
Packaging Detail: Packing Details: Each piece of glass will covered with paper, outside is wooden or carton packing.We use different packing methods according to different products, or we can use customized packing.
Selling Units: Single item
Single package size: 20X20X20 cm
Single gross weight: 0.5 KG

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Clear large diameter tempered high borosilicate glass tube

glass tube

Product Description

Temperature resistance



transparent clear




2.23 g/cm3

Morris hardness


Composition content

Boron: 12.5~13.5%, silicon: 78~80%


Round, Square with holes, uncommon shape etc.

Modulus of elasticity


Poisson's ratio


Tensile strength


Compressive strength

(0-300) 3.3±0.1×10-6K-1

Thermal conductivity


 Annealing point


Softening point


 Electrical resistivity

>1018 Ωm

 Dielectric constant

4.6 1 MHz, 25

Water resistance

ISO719 HGB Level 1

Acid resistance

ISO195 HGB Level 1

Alkali resistance

ISO695 HGB Level 2







1.15years experiences on glass manufacturing and exporting

2.Top quality glass with CE certificate,exporting to more 60 countries in the world

3.Unique designed strong wooden cases , solving the problem of  breakage

4.Professional sales team,offering  personalized and dedicated services.



1.Resistance to high temperature of 450℃

2.Light transmittance 92%

3.Acid and alkali resistant to corrosion


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Company Information


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Q1:How about the quality?
A:We are the manufacturer,have 20 years experience in producing glass products.Don't worry about the quality,we are the best.

Q2:When will I get the reply from seller?
A:May delay 12 hours due to the time difference,We will reply you as soon as possible.

Q3:What's your advantage?
A:We are different from other trading company is that we have our own factory,design team and production lines. Our designer & technical workers have worked in glassware field more than 10 years.In the past years, we have helped many customers to complete their special designs successfully.

Q4:Can I get samples ?
A:Sure.We usually provide existing sample for free.But a little sample charge for customer designs. Sample charge is refundable when order is up to certain quantity .

Q5:How long is the sample lead time?
A:For existing samples, it takes 3~4 days. If you want your own designs,it will take 7~10days, Anyway we will response fast to your request.

Q6:What's your MOQ?
A:Usually our MOQ is 10 pcs, but we can accept lower quantity for your trial order. Please feel easy to tell us how many pieces you need, we will calculate the cost reasonably ,hoping you can place lager orders after checking quality of our products and knowing our service.


How To Contact Us

Please Click To "Send"!

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