Термостойкая трубка из боросиликатного стекла на заказ
- Категория: Стекло >>>
- Поставщик: Qingdao,Hongya,Glass,Co.,ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Aug-17-2025 | 4.5 $* | 4.48 $* |
| Jul-17-2025 | 3.54 $* | 3.54 $* |
| Jun-17-2025 | 4.76 $* | 4.82 $* |
| May-17-2025 | 4.37 $* | 4.72 $* |
| Apr-17-2025 | 3.85 $* | 3.60 $* |
| Mar-17-2025 | 4.10 $* | 4.24 $* |
| Feb-17-2025 | 4.73 $* | 4.1 $* |
| Jan-17-2025 | 4.34 $* | 4.43 $* |
Характеристики
Product Description
Specifications
Borosilicate glass tube 3.3
Color: clear
Borosilicate COE3.3 glass tubing:
1. Diameter available: 3.5mm~300mm
2. Wall thickness: 0.8mm~12mm
3. Length: 1220mm~3000mm
4. Regular sizes: 9*2, 12*2, 25*4, 28*4, 32*3.2, 32*4, 38*4, 44*4, 51*4, 50*5.
5. The high borosilicate 3.3 glass tube is used forlab equipment, optical, medical, daily glassware, solar energy, test tube, etc.
6. We can supply special dimensions according to request.
Chemical Composition
SiO2: 81%
B2O3: 13%
Na2O+K2O: 4%
Al2O3: 2%
Borosilicate glass tube 3.3
Color: clear
Borosilicate COE3.3 glass tubing:
1. Diameter available: 3.5mm~300mm
2. Wall thickness: 0.8mm~12mm
3. Length: 1220mm~3000mm
4. Regular sizes: 9*2, 12*2, 25*4, 28*4, 32*3.2, 32*4, 38*4, 44*4, 51*4, 50*5.
5. The high borosilicate 3.3 glass tube is used forlab equipment, optical, medical, daily glassware, solar energy, test tube, etc.
6. We can supply special dimensions according to request.
Chemical Composition
SiO2: 81%
B2O3: 13%
Na2O+K2O: 4%
Al2O3: 2%
Chemical Composition
SiO2: 81%
B2O3: 13%
Na2O+K2O: 4%
Al2O3: 2%
SiO2: 81%
B2O3: 13%
Na2O+K2O: 4%
Al2O3: 2%
Specification
Physical Performance | Numerical Value | Unit |
Coefficient of Mean Linear Thermal Expansion(ISO 7991) | 3.3±0.1 | 10 -6 K -1 |
Transformation Temperature | 525±15 | °C |
Softening Point (ISO 7884-6) | 820±10 | °C |
Working Point (ISO 7884-2, ISO 7884-5) | 1260±20 | °C |
Upper Cooling Temperature (ISO 7884-7) | 560 | °C |
Lower Cooling Temperature (ISO 7884-7) | 510 | °C |
Density at 20°C | 2.23±0.02 | g/cm 3 |
Thermal Conductivity (20°C--100°C) | 1.2 | w/m 2 K |
Specific heat capacity at constant pressure | 0.8× 10 3 | J×/Kg@K |
Modulus of elasticity | 64 × 10 3 | MPa |
Tensile strength | 35-100 | MPa |
Poisson constant | 0.2 | |
Refractive Index | 0.92 |
Packing & Delivery
Company Profile
Qingdao Hongya Glass Co.Ltd is major in a professional and comprehensive company and is one of the leading manufactures and
exporters in China with extensive experience.
Our products is the fire/high temprature resistance glass,glass ceramics, Borosilicate glass,quartz glass...Our product products
has widely used in fireplace/stove,cooking utensils, building industry, papermaking industry and so on.
Though remarkable achievement has been accomplished,our company will always stick to our principles:
product of high quality is the life of our company,and benign cooperation relationship with our business partners is impetus to
continuous development of our company.
exporters in China with extensive experience.
Our products is the fire/high temprature resistance glass,glass ceramics, Borosilicate glass,quartz glass...Our product products
has widely used in fireplace/stove,cooking utensils, building industry, papermaking industry and so on.
Though remarkable achievement has been accomplished,our company will always stick to our principles:
product of high quality is the life of our company,and benign cooperation relationship with our business partners is impetus to
continuous development of our company.
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