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HM Transparent Borosilicate Pyrex Glass Tube Pipes
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Meorient Import & Export Co.LTD
China - Hangzhou
Trading Company
Trade Capacity
Export Percentage
Nearest Port
Hangzhou,Shanghai
Accepted Delivery Terms
Employees
5-10人
Accepted Payment Currency
USD,CNY
Average Lead Time
45 Day(s)
Certifications
Product Specifications
--Product Description
HM Transparent Borosilicate Pyrex Glass Tube Pipes
Product Description
- High temperature resistant, HM Transparent Borosilicate Pyrex Glass Tube Pipes can work in 500°C with long time.
- Corrosion resistan, except hydrofuoric acid, HM Transparent Borosilicate Pyrex Glass Tube Pipes do not react with any acid.
- Excellent thermal shock stability making them more dimensionally stable.
- High transmission to 85%
- Electric insulation ,it is 10000 times of usual glass.
- Low thermal expasion.
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Parameter:
| Physical Characteristics | Value |
| Coefficient of mean linear thermal expansion α (20ºC; 300ºC) | 3.3·10-6 K-1 |
| Transformation temperature Tg | 525ºC |
| Glass temperature at viscosity η in dPa·s: | |
| 1013 annealing point | 560ºC |
| 107.6 softening point | 825ºC |
| 104 working point | 500ºC |
| Maximum shot-time working temperature | 500ºC |
| Density ρ 25ºC | 2.23g·cm-3 |
| Modulus of elasticity E (Young's modulus) | 63·103N·mm-2 |
| Poisson's ratio μ | 0.20 |
| Thermal conductivity λw at 90ºC | 1.2W·m-1·k-1 |
| Temperature for the specific electrical resistance of 108 Ω·cn\m tk 100 | 250ºC |
| Lagarithm of the electric volume resistivity (Ω·cm) at 250 ºC | 8 |
| Lagarithm of the electric volume resistivity (Ω·cm) at 350 ºC | 6.5 |
| Dielectric properties (1 MHz, 25): | |
| Dielectric constant (permittivity) ε | 4.6 |
| Dielectric loss factor (dissipation factor) tan δ | 37·10-4 |
| Refractive index (λ=587.6nm) nd | 1.473 |
| Stress-optical coefficient K | 4.0·10-6 mm2·N-1 |
Transmision:
Production Flow
Certifications
Packaging & Shipping
Packing:
How to pack the product
1.plastic air cushion film
2.foam material
3.paper carton
4.wooden case
Shipping
Delivery within 1-7days after the payments by sea or by air,usually EMS,Fedex,DHL and UPS, etc.
Company Information
Jinzhou Huamei Quartz Electrical Appliance Factory was established in the year of 2000 and located at Jinzhou city, Liaoning Province, China with 16 years excellent quartz glass producing experience.
Be with an advanced technological team, HUAMEI produce all kinds of quartz products, like quartz glass plate, quartz glass tube, mallet, instruments, quartz bowl, gold quartz tube, quartz heater, quartz heating tube, far infra-red directional radiation heater and other special or customized quartz products. Out products are widely used for electric light source ,electric heater, semiconductor, infra-red heating, light Optical communication, tank or vessel sight glass level gauge and chemical industry.
HUAMEI passed ISO9001and CE certified. With a quality control and assurance team, top Research & Development team, sales team, customer service team and after-sales service team, all the products is produced strictly as per international standards and customers' request with our own independent advanced producing team in our factory with high quality.
HUAMEI adheres to the "Professional, Integrity, Efficient" spirit of enterprise, we provide high quality products to all over the world. HUAMEI kindly welcome customers to visit us and we look forward to cooperate with you.
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