Milky white quartz glass spiral tube for heating muffle furnace
Milky white quartz glass spiral tube for heating muffle furnace
Clear quartz glass tube available as continuous machine drawn and automatic controlled tubing .this glass has the typical characteristics of high purity ,good spectral transmission,well controlled dimension and lower OH and so on .it serves as the first choice of heat resistant material for halogen lamps ,mercury lamps ,metal halide lamps and other quartz lamps .this glass can be supplied in the range of 3-300mm outside diameter,1.0-5.0mm wall thickness and 100-2500mm length. Exhaust tube with good CPK are suiable for highspeed streamline production .and further processing of trim cutting ,fire polishing ,bending and pinching can be done according to the requirement of cusomers .OH-content can be controlled within 20ppm/15ppm/10ppm/5ppm/2ppm according to the requirement of customers.
Physical properity:
| SiO2 | 99.997% |
| Density :(g/cm3) | 2.2 |
| Degree of hardness moh' scale (Pa) | 6.6 |
| Melting point: | 1732°C |
| Working temperature : | 1100°C |
| Max temperature can reach in a short time : | 1450°C |
| Acid tolerance: | 30 times than Ceramics,150 times than stainless steel |
| Visible light transmittance: | above 93% |
| UV spectral region transmittance: | 80% |
| Resistance value: | 10000 times than ordinary glass |
| Annealing point: | 1180°C |
| Softening point: | 1630°C |
| Strain point: | 1100°C |
Chemical Composition(ug/g)
Cr | Ge | Fe | Mg | Ti | Ga | Al | Na | Li | K |
0.1 | 0.4 | 1.5 | 0.4 | 0.1 | 0.8 | 16 | 2.3 | 0.5 | 2 |
* For small quantities, you can choose DHL or FedEx. It is safe and fast. We have a good rate withthem. Please contact us for rates.
* Ocean Shipment is economical for big quantity.
* We can also help Custom clearance at destination port and deliver goods to your warehouse or office. And the cost is extra.
1. Q:What the your package ? Are they safe ?
A:Seaworthy strong plywood crates with paper interleave . The crates will be very strong and every loading worker has 5 years packed, loading and fixation crates with container experience. And we send the loading pictures for you after we loading .
2.Q: What is your payment term ?
A:Our payment term is T/T 30% in advance ,70% after get the copy of B/L .
If your glass quantity is less, we want to TT 100% . You can payment By L/C, T/T, Paypal, Western Union and company bank account .
3.Q:How can I get some samples?
A:We are honored to offer you samples.
4.Q: How long time we can get the samples ?
A: We send the samples in 3 - 5 days after you confirm .
5.Q:How does your factory do regarding quality control ?
A:Quality first is our motto ,Workers always attach great importance to quality controlling from the very beginning to the very end .
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Gump Agan
Skype : vattiglass06
WeChat : +86 15666690178
WhatsApp : +86 15666690178
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