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![CustomCategorySimpleModel { CustomProperties = System.Collections.Generic.Dictionary`2[System.String,System.String], Id = 5, Name = Plastics, SeName = plastics, NumberOfProducts = , IncludeInTopMenu = True, SubCategories = System.Collections.Generic.List`1[Nop.Plugin.Misc.CustomFeatures.Models.Catalog.CustomCategorySimpleModel], HaveSubCategories = True, Route = , DisplayOrder = 0, SubCategory = , SubCategorySlug = , SubCategoryImage = PictureModel { CustomProperties = System.Collections.Generic.Dictionary`2[System.String,System.String], Id = 0, ImageUrl = https://upgrade.callapg.com/images/default-image.png, ThumbImageUrl = , FullSizeImageUrl = https://upgrade.callapg.com/images/default-image.png, Title = Show products in category Plastics, AlternateText = Picture for category Plastics }, SubCategoryImageId = 25639, InRawMaterials = False, RawMaterialsSubCategory = }](https://upgrade.callapg.com/images/thumbs/0025638_plastics.png)
![CustomCategorySimpleModel { CustomProperties = System.Collections.Generic.Dictionary`2[System.String,System.String], Id = 6, Name = Raw Materials, SeName = raw-materials, NumberOfProducts = , IncludeInTopMenu = True, SubCategories = System.Collections.Generic.List`1[Nop.Plugin.Misc.CustomFeatures.Models.Catalog.CustomCategorySimpleModel], HaveSubCategories = True, Route = , DisplayOrder = 0, SubCategory = , SubCategorySlug = , SubCategoryImage = PictureModel { CustomProperties = System.Collections.Generic.Dictionary`2[System.String,System.String], Id = 0, ImageUrl = https://upgrade.callapg.com/images/default-image.png, ThumbImageUrl = , FullSizeImageUrl = https://upgrade.callapg.com/images/default-image.png, Title = Show products in category Raw Materials, AlternateText = Picture for category Raw Materials }, SubCategoryImageId = 25641, InRawMaterials = False, RawMaterialsSubCategory = }](https://upgrade.callapg.com/images/thumbs/0025640_raw-materials.png)
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APG's C-4408 - Aramid Fiber Sheets with a Nitrile Binder is a universal high-pressure gasket material for industrial applications. This material has a low carbon steel woven mesh insert that improves stress relaxation and makes this material suitable for fluctuating temperatures and pressures. C-4408 has good resistance to oils, fuels, and hydrocarbons. This material is manufactured with aramid fiber reinforced with a nitrile binder.
Benefits & Features
Benefits
Suitable for higher pressures
Resistant against blow-outs
More safety at high internal pressures
Features
Wire Reinforcement
Improved Stress Relaxation
Product Specifications
Typical Values Refer to 1/16'' Thick Material Unless Noted
| Creep relaxation ASTM F38B (1/32") | 20 % |
| Compressibility ASTM F36J | 6 - 12 % |
| Recovery ASTM F36J | 50 % minimum |
| KLINGER Hot Compression Test | |
| 1 Thickness Decrease 73ºF (23ºC) | 1 12 % initial |
| 2 Thickness Decrease 572º F (300ºC) | 2 22 % additional |
| Weight increase ASTM F146 after immersion in | |
| Fuel B, 5h/73ºF (23ºC) | 10 % maximum |
| Thickness Increase ASTM F146 after immersion in | |
| 1 ASTM Oil IRM 901, 5h/300ºF (149ºC) | 1 0 - 5 % |
| 2 ASTM Oil IRM 903, 5h/300ºF (149ºC) | 2 0 - 5 % |
| 3 ASTM Fuel A, 5h/73ºF (23ºC) | 3 0 - 5 % |
| 4 ASTM Fuel B, 5h/73ºF (23ºC) | 4 0 - 5 % |
| Density ASTM F1315 | 119 lb/ft³ (1.9 g/cc³) |
| ASTM F104 Line Call Out | F712112B3E11M6 |
| Color | Black |
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
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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.
