High Temperature Code
Available for custom fabrication in black, white and blue
| High Temperature Code | Bestfluor® 3575 | |
| Hardness | 75~90 | |
| Temperature Range | -15°C ~ +350°C | |
| Bestfluor® 3575 is a black, low compression set perfluoroelastomer (FFKM) designed for dry and wet semiconductor process environments. It features excellent chemical resistance, good mechanical properties and outstanding thermal stability, with low weight loss in reactive plasmas and good resistance to thermal cycling. Not recommended for amine environments. Ultrapure post-cleaning and clean packaging are available as options. | ||
Application Range
- Semiconductor Dry Processes ：Seals for plasma treatment, etching equipment，deposition
- Ultrapure Fluid Systems ：Seals for pipelines conveying high-purity water, oxidants and organic solvents, strong acids.
- High-Temperature Sealing ：O-rings and custom engineered seals for high-temperature service and thermal cycling in semiconductor production tools
- Semiconductor Wet Processes ：Seals applied in cleaning, etching, photoresist stripping and high-purity chemical delivery
Characteristics
1. Key Physical Properties
- Color: Black; Shore A hardness: 75; Shore M hardness: 83
- Tensile strength: 16.88MPa; Elongation at break: 150%
- Max continuous service temperature: 316°C, short-term higher temperature exposure allowed
- Compression set: 25% at 204°C/70h; remains low (45%) even at 300°C
2. Semiconductor-Specific Advantages
- Low weight loss in reactive plasma, minimal particle contamination
- Excellent resistance to semiconductor chemistries: Piranha, SC-1/SC-2, HF, H₂SO₄, HNO₃, NMP, etc., with extremely low volume swell
- Stable performance under thermal cycling for long-term sealing