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Home / Covering Supplies / 3M Products / Abrasives / Hand Sanding Products, Sheets & Rolls /3M Wetordry Sandpaper 413Q 400
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3M Wetordry Sandpaper 413Q 400

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$2.50/Piece
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Part# 09-20900
MFR Model# 7000000318

Overview

3M™ Wetordry™ Paper Sheet 431Q features extra-fast cutting silicon carbide on a strong C-weight, waterproof paper backing to provide superior finishing for both wet and dry applications on a variety of substrates, including paint, primer, gel coat, metal, and wood.

Used dry or with water, 3M™ Wetordry™ Paper Sheets enable the user to rinse areas of the workpiece and the sheet during use to prevent dust and debris from clogging the points of the abrasive and reduce air-borne dust, while producing a faster cut at the same time. These versatile sheets are ideal on surfaces that tend to generate a lot of dust, such as paint and primer; and can also be used dry for finishing metal and gel coats. In the marine industry they are used for sanding old finishes, fine feather edging, and surface work. The standard 9 inch x 11 inch sheets can be cut to size for the application.

Silicon carbide is a very hard mineral characterized by sharp points that fracture easily, resulting in freshly exposed sharp edges that cut extra fast and produce a smooth, professional-looking finish. Silicon carbide products are commonly used for low-pressure applications such as paint prep and finishing on wood and metal. While the mineral has a shorter life than aluminum oxide, it produces a superior finish.

Our 3M™ Wetordry™ products are backed with our proprietary waterproof paper backing that supports both wet and dry applications. Lighter weight than cloth and smooth rather than textured, 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 from the workpiece and the abrasive surface.

Features

  • Silicon carbide mineral provides an aggressive cut and a consistent, fine finish
  • Light, A-weight paper backing offers excellent flexibility in hands-on applications
  • Resin bonding resists deterioration from heat, extending the life of the abrasive cloth
  • Waterproof material allows for easy debris removal
  • Can be easily cut and folded to fit any hand tool or work piece crevice

Specifications

  • Abrasive Material: Silicon Carbide
  • Alternative Sale Availability: 6. This item is for industrial use only and there are no VOC restrictions.
  • Application: Deburring, Finishing, Surface Preparation
  • Application Category: Adhesives, Blending/Deburring, Coatings, Finishing/Polishing, Sealant Corrosion Removal
  • Backing Material: Paper
  • Backing Weight: Weight
  • Brand: Wetordry™
  • CA Metalworking Solutions Level 2: Castings and Forging, Frame Building and Panel Bonding, MRO
  • Coat Type: Closed Coat
  • Color Family: Black
  • Equipment - Machines: Hand Sanding
  • For Use On: All Metals, Paint
  • Grit: 100, 120, 150, 180, 240, 320, 400, 60, 80
  • Industries: Composite, Marine, Metalworking, MRO, Paint Preparation
  • Market: Defense, Facilities Management
  • National Stock Number: 5350015169015, 5350015251494, 5350015263246
  • Net Weight (Imperial): 12.14 lb, 13.25 lb, 14.15 lb, 15.5 lb, 18.15 lb, 18.35 lb, 23.35 lb
  • Net Weight (Metric): 10.59 kg, 5.51 kg, 6.01 kg, 6.42 kg, 7.03 kg, 8.23 kg, 8.32 kg
  • Overall Length (Imperial): 11 in, 9 in
  • Overall Length (Metric): 228.6 cm, 279.4 mm
  • Overall Width (Imperial): 11 in, 9 in
  • Overall Width (Metric): 228.6 mm, 279.4 mm
  • Position: Better
  • Product Color: Black
  • Product Form: Sheet
  • Segment Maintenance
  • Substrate: All Metals, Paint
  • Substrate Category: Metal, Paint & Primer
  • Wet or Dry: Wet

Benefits

High Quality Construction
  • The 3M™ Wetordry™ Abrasive Sheet 413Q is best suited for metal sanding and finishing thanks to its versatility and fast cutting abrasive material. Its flexible, A-weight paper backing provides smooth operation and durability and can conform to the shape of contoured parts for consistent finishing.
Silicon Carbide Grain
  • This paper primarily uses silicon carbide, which is a popular choice among industrial professionals because of its fast cut-rate and smooth finish. This synthetic mineral is very hard but fractures easily, resulting in freshly exposed sharp edges that cut extra fast and produce a smooth, professional-looking finish. Silicon carbide products are commonly used for low-pressure applications such as cleaning and finishing on paint and metal.

Waterproof and Heat Resistant
  • This paper also uses a resin bonding which is specially designed to resist thermal and chemical deterioration, which can occur during sanding. This bond is very tough and excellent for precision work on hard and soft surfaces. This also allows for faster sanding and a higher cut rate. The waterproof coating enables the user to rinse areas of the workpiece and the paper during use to prevent dust and debris from clogging the points of the abrasive, while producing a faster cut at the same time.
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Reviews

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This is exactly what I was expecting. Just didnt want to buy an entire sleeve.

Joseph T Verified Purchase

3M Wetordry Sandpaper 413Q 400
September 22, 2022

David B Verified Purchase

3M Wetordry Sandpaper 413Q 400
April 1, 2022

Great for student project composite airfoils.

Ed B
November 27, 2017

Great for student project composite airfoils.

Ed B
November 27, 2017

Q&A

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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Are these 3M wet or dry sanding sheets priced and sold by the sheet?

Yes, these are priced in sold by 9" x 11" sheets.

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