borosilicate glass tube 3.3
Product Description
Borosilicate glass tube diameters range from 1/2" OD to 1" OD. End finishes may be cut, ground, or fire polished depending on application. Pressure ratings range from 90 PSI to 600 PSI depending on end finish, diameter, and length required.
Type A Clear tube
Type B Redline tube
Material: Standard borosilicate glass 3.3
Common size:
O.D.1/2" ±0, -1/32 | Wall 5/64"±1/64" | Length 8-72 |
O.D.5/8" ±0, 1/32 | Wall 3-32" ±1/64" | Length 8-72 |
O.D. 3/4" ±0, 1/32 | Wall 7/64" ±1/64" | Length 8-72 |
O.D. 1" ±0, 1/32 | Wall 1/8" ±1/64" | Length 8-72 |
Specification
Physical Data | ||
1) | expansion coefficient | 3.3×10-6K-1 |
a)working point | >1100°C | |
b)softening point | 760-790°C | |
c)annealing point | 530-550°C | |
d) Strain Point | 515°C | |
2) | density p at25°C | 2.32 |
Chemical Data | ||
1) | hydrolytic resistance | 0.035H1 |
2) | resistance | I1 |
3) | alkali resistance | A2 |
Composition | ||
1) | SiO2 | 75 |
2) | B2O3 | 11.2 |
3) | Al2O3 | 5.4 |
4) | Fe2O3 | 0.02 |
5) | CaO | 0.6 |
6) | K2O | 0.5 |
7) | Na2O | 6.5 |
8) | BaO | 0.3 |
Advantage:
a) high transparency
b) high temperature resistance
c) expansion coefficient rate 3.3
Packaging & Shipping
Carton and Safty wooden case packing
Our Services
More than 10 Years of gauge glass manufacture experience
10 years of export rubber and plastic hose experience
OEM manufacture is available
Technical guidance
Import guidance
Company Information
Hebei Fuyuan Sealing Materials Co., Ltd. belong to Tongfeng (HK) Industry limited group corporation. She is a modern high-technology enterprise specialized in production and sales of sealing and heat insulation material with an experience of more than twenty years. We are equipped with the most advanced and complete machines and test facilities to produce high quality various kinds sealing material. Hengshui Aohong international trading Co., Ltd is the export department of Tongfeng (HK) Industry limited group.
Our featured products are "Bright Pearl" brand sealing material series products, mainly sealing gasket sheet, braided packing, Heat Insulation cloth, tape, rope, sight glass, etc.
FAQ
Q: Are you factory, or only a trading company?
A: Factory, and our factory is located in Wangtong town, Jing county, Hengshui, Hebei
Q:Could I get some samples, and how?
A: No problem, we provide free samples, and it is only needed for you to pay for the shipping charge, your courier account is also ok(such as DHL).
Q: Can you give me some discount?
A: Usually the discount depends on the quantity. However we can discuss it.
Q: What's the payment terms?
A: Our normal practice: 30% deposit of total amount before production, and 70% balance payment before shippment. However this is open for discussion.
