Product General and Technical Information
Date: 5/27/2022
Name: Speaker / Filter Foam
General Information
Filter foam is a good-quality foam with a medium/firm feel. Filter foam has a high dust collection rate, while still providing high air flow. Common applications include speaker covers, filters and cleaning. Typical life is 5 to 10 years.

(ASTM D 3574)
30 PPI 10 PPI
Density (LB/Cubic Ft.) 1.8 1.8
25% Compression Force Deflection (CFD) 45 50
Cell Count (Pores Per Inch) 30 10
Air Flow (CFM) 18.0 -
Tensile (PSI) Min. 20 10
Elongation (%) Min. 180 150
Tear (PSI) Min. 5.0 -
Compression Set
(@ 50% Deflection) % Max.
15 -
25% CLD Autoclave Loss (% Max.) 25 -
Compression Set
(@ 50% Deflection Autoclave Loss) % Max.
10 -
Tensile Strength Dry Heat Loss (% Max.) 20 -
Fire Retardant Classification Non Fire Retardant Non Fire Retardant
Contains Fire Retardant Additives No No

All values reported are typical values. We cannot guarantee the applicability or the accuracy of this information or the suitability of the product for any particular purpose. This product is sold without warranty, expressed or implied. (Unless stated otherwise.) Buyer assumes all responsibility for loss or damage arising from the handling and use of this product, whether done in accordance with directions or not. Statements concerning the possible use of this product are not intended as recommendation to use this product in the infringement of any patent.

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