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APG’s C-4324 Compressed Non-Asbestos Sheets with Nitrile Binder is a universal gasket material for a wide range of applications and is a good general-purpose material suitable for use in liquids and steam at lower pressures and temperatures. The compressed fiber gasket material is manufactured with a combination of synthetic high-performance fibers reinforced with a nitrile binder.
Performance & Properties
Performance
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Max Temperature: 572℉
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Max Pressure: 5800 psi
Properties
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Resistant to Oils, Fuels, Hydrocarbons
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Gas Leakage Resistant
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Anti-Stick Finish
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Economical
Product Specifications
Typical Values Refer to 1/16'' Thick Material Unless Noted
| Creep relaxation ASTM F38B (1/32") | 25 % |
| Sealability ASTM F37A (1/32") | < 0.5 ml/hr |
| Gas Permeability DIN 3535/6 | < 0.5 ml/min |
| Compressibility ASTM F36J | 7 - 15 % |
| Recovery ASTM F36J | 50 % minimum |
| KLINGER Hot Compression Test | |
| 1 Thickness Decrease 73°F (23°C) | 1 12 % initial |
| 2 Thickness Decrease 572° F (300°C) | 2 20 % additional |
| Weight increase ASTM F146 after immersion in | |
| Fuel B, 5h/73°F (23°C) | 12 % maximum |
| Thickness Increase ASTM F146 after immersion in | |
| 1 ASTM Oil IRM 901, 5h/300°F (149°C) | 1 0 - 5 % |
| 2 ASTM Oil IRM 903, 5h/300°F (149°C) | 2 0 - 5 % |
| 3 ASTM Fuel A, 5h/73°F (23°C) | 3 0 - 5 % |
| 4 ASTM Fuel B, 5h/73°F (23°C) | 4 0 - 7 % |
| Dielectric Strength ASTM D149-95a | 13 kV/mm |
| Density ASTM F1315 |
112 lb/ft ³ (1.8 g/cc ³) |
| Leachable Chloride Content FSA Method |
250 ppm |
| ASTM F104 Line Call Out |
F712132B4E32K6M4 |
| Color |
Green or Grey |
Pressure/Temperature Graphs
The pressure/temperature graphs shown are the most current method of determining the suitability of a gasket material in a known environment. However, chemical compatibility must also be considered.
pT diagram for thickness 1/16”:
Gases & Steam
Liquids
In area 1 the gasket material is suitable using common installment practices subject to chemical compatibility
In area 2 appropriate measures are necessary for installation of the gasket to ensure maximum performance.
In area 3 do not install gaskets in these applications without first contacting APG for technical support service.
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