Organic Wool Dryer Balls

5/8" Thick

Felt for High Resilience Applications
SAE F-1 Felt has the highest durability of any industrial felt, a density range of 0.32-0.36 g/cm³, and 95% wool content. Highly resilient, F-1 felt is recommended for uses where impact, pressure, friction, and abrasion are constant. Washers, wicks, door bumpers, and polishing blocks are among its many possible applications. While not recommended if you require a soft or pliable material, F-1 is great for low viscosity oil absorption and retention.

*Available in thicknesses of 1/8” (3.2mm) to 1” (25.4mm).
*Since our material comes from free roaming sheep, slight color variation of the fiber may occur due to vegetable matter and other debris found in the coat. Although felt is washed and carbonized, this slight color variation is normal and a sign of the 100% natural origin of the material.

Content: Min. 95% wool fiber.
Color: Off-white.
Dimensions: 60 inches (1.52 m) wide.
Style: Adhesive backing on one side.
Thickness: 5/8 inch (15.875mm).
Density: Hard, 0.32-0.36 g/cm³ (539.4-606.8 lb/yd³).
Features: Hard and inflexible, moderate oil absorption and retention.
Advantages: Most durable SAE felt, excellent resistance to abrasion and wear.
Applications: Bass drum mallets, boat trailer felt, brake pads, car engine felt (low viscosity oils), cleaning roller wheels, collagraph printing blanket, door bumpers, elevator guides, high traffic rug, hydraulic press, low viscosity oil and friction gaskets, low viscosity oil wipers, organ and piano felt, polishing wheels, rug backing, sanding belt felt, vacuum tubing seal, window channels.
Industries served: Automotive, boating, jewelry, construction, cottage, interior design, printing, oil, music, farming and agriculture, gun and firearm, and machinery components.
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