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High Purity Quartz Yarn
High Purity Quartz Yarn (HPQY)
HPQY is produced by drawing fiber (9 micron or 14 micron) from high purity
(> 99.99%; exclusive of binder) quartz rods. Typical yarn configurations are shown
in the
following table:
Yarn
Designation | Yield
(yds/lb) |
Approximate
Cross-Sectional
Area
(x10-5 in2) |
Approximate
Diameter
(in.) |
Nominal
Break Load
102 Sizing
(lbs) |
Nominal
Break Load
HSS
(lbs) |
|---|
| 300 1/0 |
30,000 |
1.19 |
0.004 |
1.44 |
2.45 |
| 300 2/0 |
15,000 |
2.47 |
0.006 |
2.89 |
N/A |
| 300 1/2 |
15,000 |
2.24 |
0.005 |
2.16 |
N/A |
| 300 2/2 |
7,500 |
5.00 |
0.008 |
9.00 |
N/A |
| 300 4/2 |
3,750 |
10.05 |
0.011 |
14.70 |
N/A |
| 300 4/4 |
1,875 |
18.48 |
0.015 |
23.00 |
N/A |
| 300 2/8 |
1,875 |
18.69 |
0.015 |
22.80 |
N/A | FMI® can twist/ply HPQY to meet customer specifications. FMI can also
supply 2-D fabrics, 3-D, N-D fabrics/preforms, tapes and braids made from HPQY. Densification/impregnation services are also available at FMI to
provide finished HPQY products (e.g. radomes, antenna windows, heatshields,
structural shapes).
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