Description
Typical Size
|
OD range(mm) |
OD tolerance(mm) |
Ovality |
Bow |
|
OD≤5.0 |
±2.00%OD |
2.00% |
0.20% |
|
5.0＜OD＜10.0 |
±1.00%OD |
1.00% |
0.10% |
|
10.0＜OD＜20.0 |
±1.00%OD |
1.00% |
0.10% |
|
20.0＜OD＜30.0 |
±1.00%OD |
1.00% |
0.10% |
|
30.0＜OD＜50.0 |
±1.00%OD |
1.00% |
0.10% |
|
50.0＜OD＜100.0 |
±1.00%OD |
1.00% |
0.15% |
|
100.0＜OD＜160.0 |
±1.00%OD |
1.00% |
0.15% |
Impurity Content
|
Code |
Criteria |
Al |
Ca |
Cr |
Cu |
Fe |
K |
|
PQ191E |
Typical |
13.0 |
0.50 |
<0.05 |
<0.05 |
0.10 |
0.10 |
|
Maximum |
19.0 |
1.00 |
0.10 |
0.10 |
0.50 |
1.00 |
|
|
PQ191EH |
Typical |
8.0 |
0.60 |
<0.05 |
<0.01 |
0.10 |
0.10 |
|
Maximum |
10.0 |
1.00 |
0.10 |
<0.01 |
0.50 |
0.50 |
|
|
Code |
Criteria |
Li |
Mg |
Mn |
Na |
Ti |
Zr |
|
PQ191E |
Typical |
0.3 |
0.05 |
0.05 |
0.10 |
1.30 |
1.00 |
|
Maximum |
1.00 |
0.20 |
0.20 |
1.00 |
2.00 |
2.00 |
|
|
PQ191EH |
Typical |
0.20 |
0.05 |
0.05 |
0.10 |
1.30 |
1.00 |
|
Maximum |
0.50 |
0.20 |
0.20 |
0.50 |
2.00 |
2.00 |
Properties
- Customization Flexibility
- High - Quality Assurance
- Cost - Effective Performance
- Fast and Reliable Delivery
Application Areas
- Petrochemical Industry
- Pharmaceutical Industry
- Environmental Engineering
Properties
|
Physical Properties |
Values |
|
Purity |
＞99.99% |
|
Density |
2.2g/cm3 |
|
Transparency |
＞90% |
|
Mohs Hardness |
5.5--6.5 |
|
Deformation Point |
1280℃ |
|
Softening Point |
1750℃ |
|
Annealing Point |
1250℃ |
|
Specific Heat (20 - 350°C) |
670J/kg.℃ |
|
Thermal Conductivity (20°C) |
1.4W/m.℃ |
|
Heat Conductivity (w/m.k,1000 ℃ ) |
1.0-1.2 |
|
Refractive Index |
1.4585 |
|
Coefficient of Thermal Expansion |
5.510 -7cm/cm.℃ |
|
Hot - working Temperature |
1750--2050℃ |
|
Short - term Service Temperature |
1450℃ |
|
Long - term Service Temperature |
1100℃ |
|
Chemical Properties |
Values |
|
Acid resistant |
Strong Acid(except HF),Strong alkali, organic solution |
|
High temperatures Corrosion resistant |
Excellent |
|
Metal Impurity Content |
＜5 ppm |
|
Electrical Properties |
Values |
|
Resistivity |
7107Ω.cm |
|
Insulation Strength |
250~400Kv/cm |
|
Dielectric Constant |
3.7~3.9 |
|
Dielectric Absorption Coefficient |
＜410-4 |
|
Dielectric Loss Coefficient |
＜110-4 |
|
Mechanical Properties |
Values |
|
Compressive Strength |
1100MPa |
|
Bending Strength |
67MPa |
|
Tensile Strength |
48MPa |
|
Poisson's Ratio |
0.14~0.17 |
|
Young's Modulus |
72000MPa |
|
Shear Modulus |
31000MPa |
FAQ
Q: What diameters and tolerances are available?
A: Standard range:
- Diameters: 1mm–150mm (±0.05mm)
- Lengths: up to 2000mm (±1mm)
- Custom sizes with tighter tolerances (±0.01mm)
Q: Can the quartz rods be machined after delivery?
A: Yes, we recommend:
- Diamond tooling for cutting
- CO₂ laser drilling (for holes >0.5mm)
- Fire polishing for edge treatment
Q: Are your quartz rods suitable for UV light guides?
A: Yes, with:
- >90% transmission @185nm (UV grade)
- Optional superpolished surfaces (Ra <1nm)
Q: How are rods packaged to prevent damage?
A: Multi-layer protection:
- Individual PVC sleeves
- Foam-segregated wooden crates
- Moisture-proof bags (optional nitrogen purge)
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