Which Is The Best 3M Microabrasive

This lapping film is made in the USA by 3M (TM). These microfinishing lapping sheets were developed for industrial applications and can be used to flat lap or polish just about anything. This lapping film contains carefully graded aluminum oxide particles that are electrostatically coated onto a high strength polyester film backing. This fast cutting, water resistant abrasive provides precise, consistent, close tolerance finishes, and are available in a wide range of precise micron grades to meet any sharpening or polishing need. They can be affixed to a hard flat surface (usually 1/4 inch glass) and used to get a scary sharp edge on wood chisels or plane irons. They can be wrapped around contoured sticks and used to sharpen carving tools. They can put a wicked sharp edge on all kinds of knives. They can also be used to put a fine polish on jewelry or gem stones. These are PSA and have pressure sensitive backing. They have a 3 mil high-strength polyester film backing which is less likely to tear than traditional wet or dry sandpaper. The sheets are not marked so using their color is the only accurate way to identify them. These Aluminum Oxide (AO) sheets come in the following grades: 1) 0.3 micron (white) or 60.000 grit 2) 1 micron (light green) or 14,000 grit 3) 3 micron (pink) or 8,000 grit 4) 9 micron (light blue) or 1800 grit 5) 12 micron (yellow) or 1200 grit 6) 30 micron (green) or 600 grit and 7) 40 micron (blue) or 300 grit. The sheets are not marked so using their color is the only accurate way to identify. In the finer grits, it can be difficult to differentiate the abrasive side from the backing. The abrasive side will always have a matte finish, where the film backing side will be glossy.

Product Description

Used in wet sanding, to level minor dust nibs and for light sanding of mismatched orange peel on all automotive paints. Most flexible backing with more consistant scratch pattern make this 3Ms best wet sanding product.

From the Manufacturer

For Excellent Results, When Excellent Results Aren’t Easy

For leveling minor dust nibs, adjusting mismatched orange peel, light sanding on acrylic lacquer paint and other sanding jobs where burning or sanding through clear coat and paint are primary concerns, the 3M Wetordry Abrasive Sheet 401Q makes excellent results easier: it’s durable yet flexible, with a sharp cut that leaves a refined finish. The durable paper backing helps create consistent patterns that are easily buffed out. And the silicon carbide grain is available in grades from 1000 up to 3000 for a full range of non-aggressive sanding and polishing jobs on clear coat, plastic and metal, including areas that require hand compounding and for sanding dark colored paints. Choose sheet sizes of 5-1/2 x 9 inches or 9 x 11 inches to suit specific sanding jobs and reduce the need for tearing.

Light, Smooth, Waterproof Backing

3M Wetordry products are backed with a durable waterproof paper backing that supports wet and dry applications. Lighter weight than cloth and smooth rather than textured, the paper backing is preferable for lighter applications such as finishing and paint prep. At the same time, many such applications produce a significant amount of dust, clogging the abrasive points and creating an inferior work environment. These effects can be minimized by sanding with water to rinse dust away.

3M’s Fastest-Cutting Abrasive Mineral

Silicon carbide is a very hard mineral that cuts extremely fast. In fact, it is the fastest-cutting mineral abrasive that 3M offers. It features sharp points that fracture easily, resulting in freshly exposed sharp edges that produce a smooth, professional-looking finish. The mineral has a shorter life, but it produces a superior finish.

More Effective Sanding for More Effective Operations

3M puts plenty of science behind the 3M Wetordry Abrasive Sheet 401Q – and not just to improve your finished work. These abrasive sheets make the entire sanding process easier, from the durability of each sheet during wet sanding to faster cutting to easier buffing for faster production times and less labor cost. It’s another way that 3M helps auto body professionals get the most from their operations.

Product Description

3Ms highest performing, longest lasting wheel used for cutting sheet metal, frame rails, clamps and rusted bolts. Constructed with premium grade abrasives, these wheels out-cut and out-last General Purpose wheels. Ceramic mineral for longer life and faster cut. Center hole diameter: 0.87-inches. Color: green. Converted form: cut-off wheel. Diameter: 4-1/2-inches. Equipment – machines: cut-off wheel tools. Form type: cut-off. Max rpm: 13300. Position: best. Wheel type: type 1. Width: 3/64-inches.

From the Manufacturer

The 3M&#8482 Green Corp&#8482 Cut-Off Wheel is a durable, fast-cutting wheel used on almost all materials, including fiberglass, stainless steel, mild steel, and aerospace alloys. Constructed with 3M’s high-performing ceramic abrasive grain, these wheels outcut and outlast aluminum oxide wheels. The combination of high speed rating and 3M ceramic abrasive grain content means a cool, sharp, quick cut with minimal product wear.

The 3M&#8482 Green Corp&#8482 Cut-Off Wheel must be attached to a cut-off wheel power tool designed specifically for the size of wheel used. For safety, cut-off wheels must be used with ANSI-approved flanges for Type 1 cut-off wheels and must always be used with a wheel guard that is compatible with the size of the wheel. The cut-off wheel must have a maximum operating speed greater than or equal to the maximum speed of the power tool used.

Unlike abrasive discs, which shape or sand objects using the disc surface, cut-off wheels provide perpendicular grinding, using the outer edge of the wheel. Abrasive cut-off wheels are typically used for cutting through metal, for example autobody or marine sheet metal, stainless steel tubing, exhaust pipes, clamps, and rusted fasteners. Cut-off wheels are attached to a cut-off tool (sold separately) and must always be used with a wheel guard for safety.

3M’s ceramic abrasive grain is a 3M proprietary ceramic mineral chemically engineered with a unique “stay sharp” crystalline structure, which continually reveals fresh cutting edges on the surface of the workpiece ensuring an exceptionally fast and sustained cut. Formed through a patented process to enhance toughness and hardness of the grain, 3M ceramic abrasives offer a longer service life than non-ceramic abrasives, and can stand up to high pressure production environments even on the toughest materials. These discs enable operators to do more work in less time, for significant gains in both ergonomics and productivity.

For more than a century, 3M has applied innovation and technology to improving our customers’ lives and supporting their business goals. Today the company, from its headquarters in St. Paul, Minnesota, serves industrial and commercial customers and consumers in nearly 200 countries. Abrasive Systems products, including a complete line of coated abrasives, microfinishing and microreplicated abrasives, and hardware accessories, provide the finishing touch for almost any surface modification application. The 3M brand, across thousands of products, represents consistency, superior quality, and value.

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