3M 33279 Perfect-It Low Lint Wool Compounding Pad 9 in Double Sided | Refines P1200 & Finer Sand Scratches | Low-Lint Finer Finish | Quick Connect Attachment | 2,000 Max RPM

3M 33279 Perfect-It Low Lint Wool Compounding Pad 9 in Double Sided — Refines P1200 & Finer Sand Scratches | Low-Lint Construction for Finer Finish | Quick Connect Attachment | 2,000 Max RPM | For Use with 3M Compounds

3M Perfect-It Low Lint Wool Compounding Pad (33279) is a 9 in. 100% wool compounding pad with low-lint construction that provides a finer finish than standard wool compounding pads. Double sided — both faces are usable compounding surfaces, extending pad life per unit. Designed to safely refine P1200 and finer wet-sand scratches and other paint surface defects. For use with 3M compounds and the 3M Quick Connect Adaptor 05752 (sold separately, not currently in catalog). 2,000 max RPM. Not eligible for free shipping.

Part Specifications

• Part Number: 3M-33279
• Product Line: 3M Perfect-It Low Lint Wool Compounding Pad
• Diameter: 9 in.
• Construction: 100% wool, low-lint
• Sides: Double sided — both faces usable
• Cut Level: Compounding — refines P1200 and finer sand scratches
• Attachment: Quick Connect (requires 3M Quick Connect Adaptor 05752, sold separately — not currently in catalog)
• Max Speed: 2,000 RPM
• Package Quantity: 1 pad
• Designed For: Use with 3M compounds on a rotary polisher
• Note: Not eligible for free shipping
• Related Pads in Catalog: 3M 05719 Perfect-It Wool Compounding Pad 9 in (single-sided, hook-and-loop) | 3M 33280 Compounding Pad Double Sided Wool 9 in | 3M 05725 Perfect-It Foam Polishing Pad 8 in 2-Pack | 3M 05751 Perfect-It Ultrafine Foam Polishing Pad 8 in 2-Pack

Low-Lint Construction — Why It Matters for Paint Work

The key differentiator of the 33279 over standard wool compounding pads like the 05719 is the low-lint wool construction:

• What linting is: During compounding, wool fibers shed from the pad face and embed in the compound residue on the surface. When the compound is wiped off, loose fibers remain on the paint surface and must be removed before the next finishing step. On light-colored paint, fiber contamination is more visible; on dark or metallic colors, fibers embedded in the compound haze are conspicuous.
• How low-lint construction reduces it: The 33279’s low-lint wool is processed to minimize fiber shedding during rotary compounding passes. Fewer loose fibers in the compound residue means a cleaner surface after wipe-down, less time spent picking fibers before the polishing step, and a lower risk of fiber contamination under the final polishing pass.
• Finer finish result: The low-lint construction also contributes to a finer finished surface after compounding — the reduced fiber abrasion on the surface between the pad face and the paint leaves a finer scratch pattern going into the foam polishing step.
• Best for: Paint work where fiber contamination in the compound residue is a concern — light-colored gel coat, metallic paints, premium topcoat refinishing, and any application where minimizing the cleanup step between compound and polish matters.

Double Sided — Extended Pad Life

• Both faces of the 33279 are usable compounding surfaces — when the first face is worn, loaded, or contaminated, flip the pad to a fresh compounding face
• Effectively doubles the usable compounding surface per pad compared to a single-sided pad, reducing pad consumption and cost per panel in production compounding work
• The 3M 33280 Double Sided Wool Pad is also double-sided but uses standard wool — choose the 33279 (this product) when both double-sided life and low-lint finish quality are required; choose the 33280 when double-sided life is the priority and low-lint construction is not needed

Quick Connect Attachment — Adaptor Required

• The 33279 uses a Quick Connect attachment system, not a standard hook-and-loop (Hookit) system — it requires the 3M Quick Connect Adaptor 05752 (sold separately; not currently in this catalog)
• Verify your rotary polisher’s backup pad attachment system before ordering — the 33279 is not compatible with Hookit hook-and-loop backup pads such as those used with the 3M 05710 Buff Pad Adaptor
• If your setup uses Hookit hook-and-loop backup pads and you require low-lint compounding performance, confirm 3M’s current product lineup for a Hookit-compatible low-lint wool option; the 05719 standard wool Hookit pad is the hook-and-loop option currently in this catalog

Pad Selection — Wool Compounding Pads in the Catalog

• 3M 33279 Perfect-It Low Lint Wool Compounding Pad 9 in (this product): Low-lint wool, double-sided, Quick Connect attachment. Best when fiber contamination is a concern and extended pad life is needed.
• 3M 05719 Perfect-It Wool Compounding Pad 9 in: Standard wool, single-sided, hook-and-loop (Hookit). Maximum compounding aggression; compatible with Hookit backup pads and 3M 05710 adaptor.
• 3M 33280 Compounding Pad Double Sided Wool 9 in: Standard wool, double-sided. Extended pad life without low-lint construction.

Application Notes

• Mount the 33279 on the 3M Quick Connect Adaptor 05752 (not in catalog) — verify adaptor availability before ordering the pad if you do not already have 05752
• Prime the pad before first use: apply a small amount of compound to the pad face and spread at low speed before beginning compounding passes
• Apply compound in a dot pattern to the surface or pad face; spread at low speed (600–800 RPM) before increasing to working speed (1,200–2,000 RPM)
• Do not exceed 2,000 RPM
• Clean the pad during and after use by spinning off compound residue at low speed and brushing the wool face with a pad cleaning spur to restore pile and remove loaded compound
• After compounding, follow with a foam finishing pad and polishing compound to remove compound swirl marks — see 3M 05725 Foam Polishing Pad or 3M 05751 Ultrafine Foam Polishing Pad

Additional Information

• Vendor: 3M
• SKU: 3M-33279
• Product Type: Refinishing / Buffing & Compound Pads
• Diameter: 9 in.
• Max Speed: 2,000 RPM
• Package Quantity: 1 pad per package
• Country of Origin: USA
• HS Code: 5911.90 (textile products and articles for technical uses — verify; polishing and buffing pads may classify under 6307 or 5911 — verify for your import classification)

Frequently Asked Questions

Q: What is the difference between the 33279 (this product) and the 05719?
A: Two key differences. First, the 33279 uses low-lint wool construction that sheds fewer fibers during compounding, leaving a cleaner surface after wipe-down and a finer finish going into the polishing step. The 05719 uses standard wool. Second, the 33279 is double-sided (two usable compounding faces per pad) with Quick Connect attachment; the 05719 is single-sided with hook-and-loop (Hookit) attachment. Choose based on your attachment system and whether low-lint construction is a priority.

Q: What adaptor does the 33279 require?
A: The 3M Quick Connect Adaptor 05752, sold separately. The 05752 is not currently in this catalog — verify availability before ordering the pad if you do not already own the adaptor. The 33279 is not compatible with standard Hookit hook-and-loop backup pads.

Q: What does “double sided” mean in practice?
A: Both faces of the pad are usable compounding surfaces. When the working face is worn, loaded with compound, or contaminated, flip the pad on the adaptor to a fresh face. This effectively doubles the compounding surface life per pad compared to a single-sided pad.

Q: Does low-lint mean no fiber shedding at all?
A: Low-lint means significantly reduced fiber shedding compared to standard wool pads — not zero shedding. The construction minimizes loose fibers in the compound residue, reducing contamination and cleanup time, but some fiber transfer is normal with any wool pad.

Q: Do I still need to follow up compounding with a polishing step?
A: Yes — wool compounding with the 33279 leaves a compound swirl pattern that must be removed with a foam finishing pad and polishing compound before wax or sealant. See the 3M 05725 Foam Polishing Pad or 3M 05751 Ultrafine Foam Polishing Pad.