a durable polyester fiber created from 100% recycled plastic bottles
with no fraying or unraveling when cut
to prevent powder migration across equipment
wool roving to make one flying pig
good insulation and cushioning
F-1 Industrial Felt Samples - 1/8" 1/4" 1/2" Thick Household a durable polyester fiber createdFelt 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 cm (539. 4 606. 8 lb yd), 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