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F-974 Muraculon Absorber Coat is a NON-halogenated vinyl-based coating used to seal polyurethane foam used for pyramidal absorbers used in anechoic chambers. 

F-974 Muraculon Absorber Coat will provide a flexible protective coating on polyurethane foam to create a barrier to moisture, dirt, UV, abrasion, impact, puncture and chemicals. This tough yet flexible coating adds durability and color to absorber foam and doesn’t crack when flexed. 

Other Features Include

  • Remains flexible
  • NON-Halogenated FR system
  • Wide selection of colors
  • Super-fast dry/ processing
  • Single component - no catalyst
  • FR: Passes NRL requirements
  • Meets or exceeds UL94 HBF


  • Pyramidal absorbers used in anechoic chambers

Alternative Products

For other products you might also be interested in that are similar to PDC® F-974 Muraculon/Absorber Coat, please contact our customer service.


F974 Product Specifications:

Solids: (wt.) 35+% 

Tensile: [ASTM D-412] N/A

Temperature use range: -0°F to 200°F

Elongation: [ASTM D-412] N/A

Block resistant: 4 hours at 140°F

Shelf life: 1+ year at 77°F unopened container

Coverage: 150 sq. ft. per gal. at 5 mils

Finish: Matte 

Chemical Resistance: In House Test Results (ASTM D1308)

Mineral oil: Very good  

 Saline: Very good

 Urea (6% in H2O): Very good

 Betadiene (Iodine): *Good

 Gasoline: Good

Alcohol: Very Good

Acid (10% sulfuric in H2O): Very Good

 *stained after 5 minutes.


We cannot anticipate all conditions under which this information and our products, or the products of other manufacturers in combination with our products, may be used. We accept no responsibility for results obtained by the applications of this information or the safety and suitability of our products, either alone or in combination with other product combination for their own purposes. Unless otherwise agreed in writing, we sell the products without warranty, and buyers and users assume all responsibility and liability for loss or damage arising from the handling and use of our products whether used alone or in combination with other products. Ever changing VOC regulations in your area may require you to contact local authorities for proper use and/or disposal of this product. Should you need further assistance, please contact PLASTI DIP INTERNATIONAL technical service.

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