BPG 8508

Properties
BPG 8508 is an expanded graphite sheet reinforced with a 0.1 mm stainless steel (316L) tanged insert. This construction delivers exceptional resilience and blow-out resistance, ensuring safe, durable, and dependable sealing performance in the toughest high-pressure and high-temperature environments.
Applications
BPG 8508 combines high compressibility with excellent resilience, making it ideal for the most demanding conditions across all industries. It provides reliable sealing performance in steam, gases, hydrocarbons, and aggressive non-oxidizing media.
Typical Physical Properties
| Sheet Size | 1000 x 1000 mm 1500 x 1500 mm on demand |
| Sheet Thickness | 1.0 – 1.5 – 2.0 – 3.0 mm |
| Density | 1.00 g/cm³ |
| Carbon content | > 98% |
| Ash content | < 2% |
| Compressibility – ASTM F36 A | > 40% |
| Recovery – ASTM F36A | 15 % |
| Sulphur content | < 1200 ppm |
| Chlorine content | < 50 ppm |
Operation Parameters
| Temperature | -200°C … +500°C (most media) -200°C … +550°C (steam)" |
| Pressure | 130 bar |
Product Specifications
| Certificates / Approvals | API 6FB |
Benefits
- No hardening or aging — binder-free design
- Reliable compression and recovery against media
- Insert ensures easy, safe installation