Large diameter Laboratory glass cylinder tube
USD $6.5 - $15.8 /Piece
Min.Order:1 Piece
Large diameter Laboratory glass cylinder tube
1-Sizes of quartz glass tube
Outer Diameter (OD): 3-300mm
Wall Thickness(WT): 1-5mm
Length(L): 10-1500mm
2-Precision/Tolerence
Range of OD | OD | WT | Siding | Out of Round | Bow/1000mm |
10mm Max | ±2.00% | ±10% | 12% | 2.0% | 2.0mm |
10 - 20mm | ±1.25% | ±8% | 10% | 1.5% | 2.0mm |
20 - 30mm | ±1.00% | ±10% | 15% | 1.5% | 2.0mm |
30 - 50mm | ±1.00% | ±10% | 15% | 1.5% | 2.0mm |
50 - 100mm | ±1.00% | ±12% | 15% | 2.0% | 2.0mm |
100 - 200mm | ±1.00% | ±12% | 15% | 2.0% | 2.0mm |
3-Mechanical Properties
Density g/cm3 | 2.2 |
Compression Strength N/mm2 | 1100 |
Bending Strength N/mm2 | 67 |
Tension Strength N/mm2 | 48 |
Micro Hardness N/mm2 | 8600~9800 |
Moh's hardnessMoh's hardness | 5.5~6.5 |
4-Electrical Properties
Electrical Resistivity(350°C,omh-cm) | 7*107 |
Insulating Strength(20°C,KV/cm) | 250~400 |
Dielectric Constant | 3.7 |
5-Chemical composition (ppm)
AL | Fe | K | Na | Li | Ca | Mg | Cu | Mn | Cr | B | Ti |
5-12 | 0.19-1.5 | 0.71-1.6 | 0.12-1.76 | 0.38-0.76 | 0.17-1.23 | 0.05-0.5 | 0.05 | 0.05 | <0.05 | <0.1 | <1.0 |
Widely used in the filed of semiconductor, metallurgy, chemical industry, electric light source, photo-communication, medical equipment, scientific instruments and so on.
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No.1 Professional high temperature furnaces Manufacture We have being specialized in producing high temperature furnaces for more than 10 years, and all our products are exported.
No.2 Guaranteed Quality Our products are warranted to be free from defects in materials or workmanship for 2 years from the date of purchase. Within this period, Across International will, at its sole options, replace any components that fail in normal use. Such replacement will be made at no charge to the customer for parts, provided that the customer shall be responsible for any transportation cost. This warranty does not cover consumables and failures due to abuse, misuse, accident or unauthorized alteration or repairs.
No.3 Sound after Sales Service-- We provide sound after sales service. We provide 24 hours’ consultation service. We are ready to answer your consultations at any time.
Q1:Are you a manufacture or trader?
A:Factory+trade(mainly factories,at the same time,we operates other related products).
Q2:Can we visit your factory?
A:Sure,welcome at any time,seeing is believing.
Q3:What's the MOQ of trial order?
A:No limit,We can offer the best suggestions and solutions according to your condition.
Q4:Which payment terms can you accept?
A:T/T,Western Union,Moneygram,Paypal are available for us.
Q5:After an order is confirmed,when to deliver?
A:15-25days after deposit.
Q6:Is your company accept customization?
A:We have own factory and excellent technical team,and we accept OEM service.
Q7:How about your company's certification?
A:ISO9001 and Test Report,also we could apply other necessary certification.
Q8:How to slove the quality problems?
A:If the products are not confirmed to customer samples or have quality problems,our compay will be responsible to make compensation for it.
Q9:Can you offers samples?
A:Of coures,samples are free but freight paid by the buyers.
Q10:What is the service life of your tubes?
A:The service life of different tube is unlike.It also depends on your using condition and method.