Wool Content

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Wool percentage is based off of new wool in the felt. The remaining fibers are made of something called card waste this can consist of anything including recycled wool, cotton, rayon/viscose (wood fibers) and even bits of vegetable matter and synthetics. This material is used as filler to either reduce the cost of the felt or impart certain desired characteristics to the finished material.

Tolerances

Tolerances in SAE felts are based off of the wool content and density of the fiber. Wool is prone to contract or swell slightly depending on temperature, changing the thickness and weight of the fiber. Cutting the wool can also shrink the fiber creating a slight dimensional tolerance.

Durability

Wool fibers have small barbs on them, which allow them to interlock when being felted. The more friction, moisture and pressure is applied during the felting process, the denser and more durable the felt becomes. High density SAE felts have the ability to withstand long periods of wear and pressure.

Color

SAE felts are made from natural sheep wools and not dyed. Similar to human hair, sheep hair comes in a variety of colors, shades and textures. This means that SAE felt colors will vary from lot to lot. For designer applications requiring consistency in color and finish we recommend using 100% wool designer felt instead of SAE felt.

F-1

SAE F-1 Felt has the highest durability of any industrial felt. 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.

Wool Content: Min. 95% wool
Density: High, 0.32-0.36 g/cm³ (539.4-606.8 lb/yd³)
Color: Off-White to Beige
Link: F-1 Industrial Felt

F-3

SAE F-3 Felt is one of the most durable industrial felts with an 85% wool content. F-3 serves the same general purposes as F-1 but is slightly less dense. Its advantages include excellent vibration absorption, resistance to abrasion and wear, and applications that require a coarse wool. F-3 felts is suitable for precision applications such as vibration mounts, precision lubrication wicking, oil seals, bumpers, gaskets, automobile, aircraft and machinery components.

Wool Content: Min. 85% wool
Density: High, 0.32-0.36 g/cm³ (539.4-606.8 lb/yd³)
Color: Natural Gray to Brown
Link: F-3 Industrial Felt

F-10

F-10 Felt is an SAE grade industrial felt made with a minimum wool content of 80%. F-10 is recommended when you require excellent grease and oil retention in your application. This felt is also great for dust shields under less severe operating conditions and where pressure and impact are not important factors. Its crafting uses include storyboard walls, seat cushions, and embroidery protection.

Wool Content: Minimum 80% wool
Density: Medium-Low, 0.17-0.20 g/cm³ (286.5-337.1 lb/yd³)
Color: Off-white to Beige
Link: F-10 Industrial Felt

F-15

SAE F-15 Felt is suitable for the same applications as F-10 felt, but has a slightly lower wool content. Applications include sound deadening chassis strips, spacers, dust liners, and for mechanical purposes where abrasion and wear are not important factors. Other applications include acoustic panels, protective padding (such as saddle pads, blankets, and cutting table protectors) absorbers, packing material, sound dampening insulation, and cushioning material.

Wool Content: Minimum 55% wool
Density: Low, 0.17-0.20 g/cm³ (286.5-337.1 lb/yd³)
Color: Natural Gray to Brown
Link: F-15 Industrial Felt

Are you interested in learning more about Industrial Polyester Felt Supplier? Contact us today to secure an expert consultation!

F-26

SAE F-26 Felt is an industrial wool felt with low density. While this grade of felt is not recommended for mechanical applications, it is ideal for packing or padding when held in place between other materials. Non-mechanical applications include crate liners, sound absorption, sports equipment padding, and padding between parts.

Wool Content: Minimum 45% wool
Density: Low, 0.14-0.17 g/cm³ (236-286.5 lb/yd³)
Color: Natural Gray to Brown
Link: F-26 Industrial Felt

F-50

SAE F-50 industrial wool felt is a highly dense felt, similar in density to F-1, and best suited to applications that require an accurate, thin, smooth high-grade felt. This felt grade is also used for ball and roller bearing oil retainer washers and small dust-excluding washers. Use this felt in installations where it will not be compressed, for feeding low viscosity or light oil, and where strength, durability, and hardness are required.

Wool Content: Minimum 95% wool
Density: High, 0.32-0.36 g/cm³ (539.4-606.8 lb/yd³)
Color: Off-white to Beige
Link: F-50 Industrial Felt

F-51

SAE F-51 Felt is a high-density 92% gray wool industrial felt. F-51 felt is similar to F-3 felt but made in thicknesses less than 1/8 inches and used where a thin, high-grade wool felt is required. Common applications include ball and roller bearings, oil retainer washers, and smaller dust excluding washers. We recommend it for applications where an accurate, coarse felt is required.

Wool Content: Minimum 92% wool
Density: High, 0.32-0.36 g/cm³ (539.4-606.8 lb/yd³)
Color: Natural Gray to Brown
Link: F-51 Industrial Felt

F-55 Black

SAE F-55 felt is a moderate-density felt used for anti-squeak strips and for lining cemented to fiberboard or metal panels. F-55 felt is also used in similar applications as F-7 felt, when the thickness required is less than 1/8 inches. Other applications include dust shields, gaskets, lubricators, acoustic material, wicks, and wipers.

Color: Black
Wool Content: Minimum 80% wool
Density: Medium-High, 0.25-0.27 g/cm³ (421.4-455 lb/yd³)
Price: $$

Polyester Felt

Anti-Squeak/Anti-Rattle Felt

Sutherland Felt is a leading supplier of black & white anti-squeak & rattle felt both converters and end users. Our 70,000+ square ft. inventory is one of the largest in North America. Our inventory consists of thin gauge spun bond material (.35mm-.5mm thick) and needle punched polyester ranging from .5mm to 10mm thick. Stock weights range from 100 GSM (3 opsy) to GSM (48 opsy).

Sutherland can custom mfg. a density and thickness to meet your needs. Minimum order for a custom material depends on total weight, but is generally 2,000 ' 4,000 yards.

Anti-Squeak & Rattle felt is normally a thin gauge polyester supplied either in rolls with or without adhesive (PSA) or as cut parts. We can supply this in full width ' 54', 60', or 72' wide, or as slit rolls (.5' wide to 30' wide).

Commonly Stocked Anti-Squeak/Anti-Rattle Felt

ProductThicknessWeight (Oz. Per Sq. Yd.)GSM (grams per sq mtr)Roll Width PP-.35-60 - Black.35mm2 Oz." PP-.35-60 - White.35mm2 Oz." PP-.5-60 - Black.5mm4.1 Oz." PE-03-020-60 - Black.5mm3 Oz." PE-03-020-60 - White.5mm3 Oz." PE-6.5-60 - Black1mm6 Oz." PE-6.5-60 - White1mm6 Oz." PE-11.50-60 - Black1.5mm10 Oz." PE-11-070 - White1.5mm11 Oz." PE-15-60 - Black2mm11.8 Oz." PE-500-60 - Black2mm14.75 Oz." PE-23-60 - Black3mm19.2 Oz." PE-23-60 - Black3mm19.2 Oz." -B Black Wool Blend1.2mm6 Oz." -B Black Wool Blend1.2mm6 Oz." 50/50 NBF - Black Wool Blend2.2mm22 Oz." 50/50 Bico/Poly Blend2.5mm17.7 Oz." PE-25-60 - Black4mm23 Oz." PE-30-60 - Black5mm29.5 Oz" PE-34-60 - Black1/4"34 Oz." PE-48-60 - Black1/4"48 Oz." Above material is available with or without automotive grade adhesive (PSA).
Special Orders normally require a 3-4 week lead time and a manufacturing minimum. Items designated as in-stock are normally inventoried, but may occasionally be in the process of being produced, thus requiring a 3-4 week lead time.

Polyester Felt

• Excellent adhesion properties when laminated with adhesive backing
• Low cost alternative to pressed wool
• Available in a wide variety of densities and thicknesses
• Available with or without adhesive backing
• Can be custom manufactured to mimic any pressed wool thickness and density

Uses for Polyester Felt

• Anti-squeak & rattle for automobile industry
• Floor protection/chair pads
• Weather striping
• Window lining
• Crate lining
• Steel wiping
• Lamp & urn bases

Polyester felt is a synthetic needle punched felt made from either virgin polyester fibers, or recycled plastics/pop bottles.  Material is normally supplied either black or white.

This general purpose felt is made in various densities with thicknesses ranging from .020' to 2'. Polyester felt is fairly inexpensive, and often made in comparable density and thickness to SAE pressed wool felt. The maximum temperature of polyester felt is 300 degree F., compared to 200 degrees for SAE pressed felts. This material is commonly used for filtration applications, gaskets, wipers, and padding in a wide variety of industries. The density of polyester felt is commonly measured in ounces/per Sq. yard. Sutherland can custom manufacture this material to virtually any density.

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Contact us to discuss your requirements of Polyester Fiber Felt Supplier. Our experienced sales team can help you identify the options that best suit your needs.

Commonly Stocked Anti-Squeak/Anti-Rattle Felt

ProductThicknessWeight
(Oz. Per Sq. Yd.)GSM (grams per sq mtr)Roll Width PE-03-020-60 - White.5mm3 Oz." PE-6.5-60 - White1mm6 Oz." PE-11-070 - White1.5mm11 Oz." PE-15-60 - White2mm11.8 Oz." PE-8-60 - White3mm8 Oz." 16-125PE3.18mm16 Oz." 24-125PE3.18mm24 Oz." 32-125PE3.18mm32 Oz." 22-187PE4.76mm22 Oz." 48-187PE4.76mm48 Oz." 24-250PE6.35mm24 Oz." 32-250PE6.35mm32 Oz." 64-250PE6.35mm64 Oz." 42-375PE9.52mm42 Oz." 80-375PE9.52mm80 Oz." 90-375PE9.52mm90 Oz." 50-500PE12.7mm50 Oz."

Buying Tips:

• Industrial felt is not guaranteed to be 100% free of wrinkles/blemishes, as those are a natural product of the manufacturing process.
• Direct inquiries to Sutherland Felt Co. are subject to a $100 minimum order. Please feel free to call for pricing. Lower minimums as well as close outs can be found at our online store ' www.thefeltcompany.com
• Special orders normally require a 3-4 week lead time and a manufacturing minimum. Items designated as in-stock normally ship within 24 hours.