Technical Specifications | APG

APG C-4201 - Compressed Non-Asbestos Sheets with Nitrile Binder

Written by APG | Nov 30, 2022 8:57:13 PM

APG’s C-4201 - Compressed Non-Asbestos Sheets with Nitrile Binder is a general application gasket material that offers excellent resistance to oils and solvents and is an excellent choice for OEM applications. This compressed fiber gasket material is manufactured with a combination of synthetic fibers reinforced with a nitrile binder.

Performance & Applications

Performance

  • Max Temperature: 450℉

  • Continuous Max with Steam: 375℉

Applications

  • Oils & Solvents

  • Chemical Products

  • Water

  • Low Temperature Steam

Product Specifications

Typical Values Refer to 1/16'' Thick Material Unless Noted

Creep relaxation ASTM F38B (1/32") 20 %
Sealability ASTM F37A (1/32") < 0.5 ml/hr
Gas Permeability DIN 3535/6 < 0.5 ml/min
Compressibility ASTM F36J 7 - 17 %
Recovery ASTM F36J 50 %
KLINGER Hot Compression Test  
1 Thickness Decrease 73°F (23°C) 1 16 % initial
2 Thickness Decrease 572° F (300°C) 2 20.5 % additional
Weight increase ASTM F146 after immersion in  
Fuel B, 5h/73°F (23°C) 10 % 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 - 5 %
Dielectric Strength ASTM D149-95a 14 kV/mm
Density ASTM F1315
119 lb/ft ³ (1.9 g/cc ³)
Leachable Chloride Content FSA Method
200 ppm
ASTM F104 Line Call Out
F712121B3E11K6M5
Color
Black or White

 

 

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.