APG’s C-7400 - Synthetic Fiber Sheets with EPDM Binder satisfies both sealing and electrical requirements. C-7400 is resistant to moderate caustics and acids which makes it suitable for paper mills. It can also act as an insulator or barrier to the flow of electrons from one flange to another due to its high dielectric strength. This material is manufactured with synthetic fiber reinforced with an EPDM binder.
Features
Max Temperature: 675℉
Max Temperature Gases & Steam: 400℉
Applications
Petrochemical / Chemical
Aerospace
Transportation / Railcar
Product Specifications
Typical Values Refer to 1/16'' Thick Material Unless Noted
| Creep relaxation ASTM F38B (1/32") |
25 % |
| Sealability ASTM F37 A (1 /32") | < 0.5 ml/hr |
| Gas Permeability DIN 3535/6 | < 1.0 ml/min |
| Compressibility ASTM F36J | 7 - 17 % |
| Recovery ASTM F36J | > 45% |
| KLINGER Hot Compression Test | |
| 1 Thickness Decrease 73°F (23°C) | 1 15 % initial |
| 2 Thickness Decrease 392° F (200°C) | 2 17 % additional |
| Weight increase ASTM F146 after immersion in | |
| Fuel B, 5h/73°F (23°C) |
< 20% |
| Thickness Increase ASTM F146 after immersion in | |
| 1 ASTM Oil IRM 901, 5h/300°F (149°C) | 1 0 - 20 % |
| 2 ASTM Oil IRM 903, 5h/300°F (149°C) | 2 15 - 30 % |
| 3 ASTM Fuel A, 5h/73°F (23°C) | 3 0 - 20 % |
| 4 ASTM Fuel B, 5h/73°F (23°C) | 4 5 - 20 % |
| Dielectric Strength ASTM 0149-95a | 22 kV/mm |
| Density ASTM F1315 | 94 lb/ft ³ (1.5 g/cc ³) |
| Leachable Chloride Content FSA Method |
200 ppm |
| ASTM F104 Line Call Out | F712441B4E34K6M4 |
| Color | White / Grey |
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