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Black Non Woven Grinding Disc

Product Categories
Polishing Disc
Application Industry
Metal Industry
Adaptation Machine
Angle Grinder
Affiliate classification
Product parameters


Abrasive Material

Aluminum Oxide, Silicon Carbide

Attachment Type

Install with angle grinder use



Center Hole Diameter (Imperial)

5/8 in, 7/8 in

Center Hole Diameter (Metric)

16 mm, 22 mm

Product Form

Grinding And Polishing Disc


5P, 7P, 9P, 12P / U1,U3,U5,U8

Form Type






Overall Diameter (Imperial)

 4 in, 4·1/2in, 5 in, 6 in 

Overall Diameter (Metric)

100 mm, 115 mm, 125 mm, 150 mm

Overall Width (Imperial)

1/2 in, 3/5 in

Overall Width (Metric)

13 mm, 15 mm

Product Color


Black Non Woven Grinding Disc

Non-woven discs for angle grinders have three components: strong synthetic fiber mesh and quality abrasives, bonded together by 

a smear-resistant adhesive. Rapid Strip discs have an open web construction that enables aggressive cutting action while 

maintaining a cool, non-loading surface. Rapid Blend discs have a unitized construction with varying weave – from open to tighter 

– for deburring and finishing. Rapid Prep discs have a more open weave that excels in surface preparation and clean-ing. Each 

product provides excellent cutting action while improving surface finish.

Why there?

• Deburring, blending and finishing with one product to

reduce the number of steps

• Provides a controlled, sustained finish                    

• Prevents undercutting and gouging                    

• Provides a cooler grinding action to lessen the chance                    

of warping or discoloration                    

• Ideal when loading is an issue, on fiberglass, adhesives                    

and soft metals                    

• For stripping coatings and paint off of hard materials like                    

concrete, cement, and stone                    

• Less vibration and quieter for high operator acceptance                    

• Provides an alternative to wire brushes


Components of Non-Woven Abrasives

 While non-wovens are made in a different way than conventional coated abrasives, both types of products use many of the same 

abrasive minerals. Silicon carbide is sharper, cuts faster, and produces finer scratch patterns on most surfaces. Aluminum oxide 

is more durable and tends to last longer. It is more aggressive on certain applications (such as hardened steel parts), and 

produces less discoloration on aluminum. When the non-woven supplier talks about grit, he is referring to the size of the abrasive

 grain impregnated into the nylon web. The lower the number, the larger the grains. The use of large particles (coarse grit) results 

in a more aggressive cut and a coarser finish. Small size particles result in a non-woven product that produces fine surface finish, 

if all other conditions are equal. In specifying a conventional bonded or coated abrasive product, the purchaser selects a specific 

grit size – say, 120 grit. With non-woven abrasives, by comparison, one of the following designations is used: 

Grit Designation and Comparable Grit Ranges

Coarse (C) 50 – 80

Medium (M) 100 – 150

Fine (F) 180 – 220

Very Fine (VF) 240 – 360

Ultra Fine (UF) 600

Micro Fine (SF) 1000 – 1200

Another term used in the specification that is probably unfamiliar to the buyer of conventional abrasives is density. This refers to 

the number of bonding agents and the amount of abrasive grain that has been compressed into the non-woven product. In general, 

harder density products cut faster, last longer, and produce finer finishes than softer density products. However, softer densities 

offer more conformability to the work surface and less tendency to load or burn the workpiece. Two other factors in the design and 

manufacture of non-woven abrasives are the sizing of the nylon fibers and the bonding agents used. Fiber size has a significant 

effect on the product’s cutting characteristics, while the type of waterproof resin used to bond the fibers together (and to anchor 

the abrasive to the web) can alter the characteristics of the product. The non-woven manufacturer selects the appropriate fiber 

size and bonding agent based on the intended application for the product; therefore, these components are not included in the 

product offering specifications.

A typical specification on a non-woven abrasive product might look like this: 8 A/O MED. The first symbol – in this example, the 

“8” – refers to the product’s density. This can range from 2 (open/most conformable) to 9 (densest/ most durable). The second 

symbol denotes the abrasive used. “A” or “A/O” refers to aluminum oxide, while “S” or “SC” stands for silicon carbide. The final 

designation – “MED” – denotes the grit size of the product, as outlined above.

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