Application
High-quality metal halide fishing lamps, underwater discharge lamps, germicidal lamps, etc.

Product Feature
Produced from high purity imported sand, with high transmittance in the ultraviolet and infrared regions, very few surface lines and air bubbles, and extremely low OH(OH can be controlled below 0.5ppm) can extend lamp life
Product Type
PQ181A/N,Quartz tubes for metal halide lamps
Typical Size (Unit:mm)
OD Range | OD Tolerance | Wall 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 | ±0.4 | 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% |
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 (℃) |
2.2*103 | 5.6*10-7 | 1670 | 1210 | 1110 |
2) Impurity Value (Unit:ppm)
Impurity | Na | K | Mg | Li | Ca | Fe | Al | Ti | Cu |
Typical value | 0.8 | 0.9 | 0.5 | 0.7 | 0.8 | 0.5 | 16.2 | 1.2 | 0.05 |
3) Impurity Value (Unit:ppm)
Typical Value without Baking | After baking |
160 | <0.5, <1 |
4) Optical Properties

Our Main Product

Main Application

Company Advantage
● Sand imported from Unimin;
● High sand purified technology;
● Own of important National patents for quartz production;
● High Purity of SiO2 can, reach to 99.995-99.999%;
● Cutting edge of melting technology;

CNAS Certified Laboratory


Production Main Facilities



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. 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.
Q4. 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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