Application
Germicidal lamp, Medium pressure mercury lamps for germicidal, water treatment and other UV-C lamps sleeve

Product Feature
A clear quartz glass tube doped with titanium, it can prevent heavy UV radiation and produce no ozone.It has extremely low OH levels and precise dimensional tolerances to ensure the lamp's long life.
Product Type
PQ221,Standard Ozone Free Quartz Tube
Typical Size (Unit:mm)
OD Range | OD Tolerance | Thickness | WT Tolerance | Out of Round | Siding | Bow |
3<Ф≤10 | ±0.1 | 1~2.0 | ±15% | 2% | 12% | 0.15% |
10<Ф≤20 | ±0.2 | 1~2.5 | ±15% | 1.25% | 12% | 0.15% |
20<Ф≤30 | ±0.25 | 1.5~3.0 | ±15% | 1.25% | 12% | 0.15% |
30<Ф≤40 | ±0.35 | 1.5~4.0 | ±15% | 1.25% | 12% | 0.15% |
40<Ф≤50 | ±0.2 | 2.0~4.0 | ±15% | 1.25% | 12% | 0.15% |
50<Ф≤60 | ±0.5 | 2.5~5.0 | ±15% | 1.25% | 12% | 0.15% |
60<Ф≤80 | ±0.7 | 3.0~5.5 | ±15% | 1.25% | 12% | 0.15% |
80<Ф≤100 | ±0.8 | 3.0~10.0 | ±15% | 1.25% | 12% | 0.15% |
Remark: Customized size is available
Physical & Chemical Properties
1) Mechanical & Thermal Properties
Density (20℃kg/m3) | Thermal Expansion (200-300℃℃-1) | Softening Point (℃) | Annealing Point (℃) | Strain Point (℃) |
2.1*103 | 5.8*10-7 | 1630 | 1180 | 1070 |
2) Impurity Value (Unit:ppm)
Impurity | Na | K | Mg | Li | Ca | Fe | Al | Ti | Cu |
Typical value | 5.0 | 5.0 | 1.0 | 1.0 | 3.0 | 1.5 | 20 | 3.0 | 0.5 |
Remark: The figures above only indicate typical values, excluding doped elements.
3) OH Content (Unit:ppm)
Typical Value without Baking | After baking |
130 | <5,<10 |
4) Optical Properties

Our Main Product

Main Application

Company Advantage

CNAS Certified Laboratory


Production Main Facilities


Packing and Shipping
1. Packaging Details: inner with vacuum pvc bag,warpped with air bubble paper outer with wooden case;
2. Port:Shanghai , Qingdao , Lianyungang;
The best transportation solutions are recommended as follows
● For small quantities, you can choose DHL,TNT, FedEx and other express . It is safe and fast.
● 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.

FAQ
Q1. Are you a Factory or Trading company?
A: We are a professional factory,We have our own right to export. Welcome to visit us!
Q2. How long shall I wait for quotation?
A: Usually we will quote you the best price within 24 hours after your inquiry.
Q3. What is your term of delivery? And what type of payment do you accept?
A:We usually accept FOB and CNF. We accept: T/T, L/C,Western Union,Money Gram,Trade Assurance,Paypal.
Q4. How about the delivery time?
A: It depends on the order quantity and the season you place the order. Generally speaking, the lead time of MOQ is about 3 to 10 days.
Q5. Can we use our logo in our ordered product?
A: Sure, we can provide OEM service. Your logo can be printed on product.
Customers Visiting & Exhibition Moment

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