Plexiglas vs. Vespel Machining
Comparison of Plexiglas and Vespel Property Values
| Plexiglas |
|---|
| 0.2 |
| 10,000 |
| 480,000 |
| 4 |
| 400 |
| Material |
|---|
| Water Absorption Rating |
| Tensile Strength |
| Flexural Modulus |
| Coefficient of Linear Thermal Expansion |
| Dielectric Strength |
| Unfilled |
15% Graphite |
40% Graphite |
10% PTFE,
15% Graphite |
15% Moly |
| 0.24* |
0.19* |
0.14* |
0.21* |
0.23* |
| 12,500* |
9,500* |
7,500* |
6,500* |
8,200* |
| -- |
-- |
-- |
-- |
-- |
| 3.0 |
2.7 |
2.1 |
3.0 |
2.9 |
| 560 |
250 |
-- |
-- |
-- |
Material Properties
- High transparency
- Light transmission (>92%)
- Good resistance to UV lightening and weathering
- Extremely high surface hardness
- Good resistance to chemicals
- Continuous performance at up to 600°F
- No special machining equipment required
- Dimensionally stable
- Operates at very high PVs
- Does not become brittle even at subzero temperatures
- Machinability
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