3M Wetordry Abrasive Sheet 434Q, 02621, 1000, 5 1/2 in x 9 in, 50 sheets per carton, 5 cartons per case

• Durable C-weight backing holds up with less curling
• Ideal for jobs requiring very light sanding such as fully cured clear coat or dark-colored paint
• Our highest-quality 3M abrasive for wet sanding
• Silicon carbide mineral abrasive provides a refined cut without heavy manual pressure
• Standard sheets can be easily cut to size for ease of use
• Suitable for wet or dry sanding

The 3M Wetordry Abrasive Sheet 434Q is built for very light sanding on often delicate automotive paint surfaces. Sharp silicon carbide mineral abrasive provides consistent sanding patterns without heavy pressure. Durable C-weight paper holds up during wet sanding. This sheet is ideal for creating excellent finishes on fully cured, hard-to-compound clear coats and on dark-colored paint.

High-Quality Sheets for Low-Pressure Applications
Featuring our best abrasive for wet sanding, 3M™ Wetordry™ Abrasive Sheet 434Q is designed for delicate collision repair jobs requiring the most refined sanding patterns. Synthetic silicon carbide mineral abrasive is very sharp and requires only light pressure to provide a final quality finish. It is built on durable C-weight paper backing that resists curling and holds up during wet or dry sanding. Sheets can be easily cut to size for hand files and blocks or for machine sanding applications.

Silicon Carbide – Sharp Abrasive with a Refined Touch
Abrasive Sheet 434Q features silicon carbide – a synthetic mineral that is very sharp and commonly used for low-pressure applications such as paint prep, smoothing of clear coats and as an alternative to compounding. While it breaks down faster than aluminum oxide, silicon carbide produces a superior finish. Users only need to apply light pressure to obtain a consistent scratch pattern desirable for final finishing.

For the Lighter Side of Collision Repair
Our 3M™ Wetordry™ Abrasive Sheet 434Q may be used for light sanding on fully cured clear coat and refinish acrylic lacquer, and for leveling minor dust nibs, adjusting mismatched orange peel or removing paint runs on all automotive paints. It is also suitable for achieving a finished quality on dark-colored automotive paint where compounding is difficult.

The Finest Science for the Finest Finishes
3M designs the latest scientific developments into our range of abrasives for automotive aftermarket. Our Wetordry™ Abrasive Sheet 434Q is one example. Durable, easy-to-use paper backing supports our best abrasive for wet sanding to help you the most during the critical finishing stages of collision repair. It’s another way that 3M applies science to life – and allows you to maintain and improve your top quality auto body repair operations.

Trusted 3M Wetordry Quality

The 3M Wetordry Abrasive Sheet 434Q, model 02621, offers reliable performance with durable C-weight backing that resists curling. This backing ensures the sheets hold up well during sanding, whether wet or dry, making it a dependable choice for automotive refinishing.

With 50 sheets per carton and 5 cartons per case, this pack size supports extended use in busy shops. The 5 1/2 in x 9 in sheet dimensions provide a versatile size that fits most hand sanding blocks and machine sanding tools.

Precise Silicon Carbide Abrasive

Featuring sharp silicon carbide mineral abrasive, the 3M 434Q sheet delivers a refined cut without requiring heavy manual pressure. This synthetic mineral is ideal for low-pressure sanding tasks, producing consistent scratch patterns for a smooth finish.

This abrasive excels on delicate surfaces like fully cured clear coats and dark-colored paint, where a gentle touch is necessary. Its high quality makes it the top choice for wet sanding applications in collision repair.

Perfect Size And Format

The 5 1/2 in x 9 in sheets are standard-sized and can be easily cut to fit hand files, sanding blocks, or machines. This flexibility allows users to customize the abrasive sheet to their specific sanding needs without waste.

Each carton contains 50 sheets, and with 5 cartons per case, the total pack count supports both small and large-scale projects. This format ensures you have enough material for multiple refinishing jobs.

Ideal For Light Sanding

The 3M Wetordry Abrasive Sheet 434Q is designed for very light sanding tasks such as smoothing fully cured clear coats and adjusting minor surface imperfections. It’s perfect for delicate automotive paint surfaces that require a gentle approach.

It also works well on dark-colored automotive paints where compounding is difficult, helping to achieve a flawless finish without damaging the surface. This makes it a valuable tool for fine finishing in collision repair.

Durable Backing For Use

The durable C-weight backing on these sheets holds up well during both wet and dry sanding, reducing curling and extending sheet life. This backing supports consistent sanding performance throughout the job.

Thanks to this sturdy backing, the sheets maintain their shape and effectiveness, even when used with water. This durability helps professionals maintain quality results on every project.