3M 400E Blue Stikit- 2.75″X45Yd 321U- 36226

Description

The 3M 321U Stikit™ Sandpaper Roll – 400E series is a high-performance abrasive designed for consistent surface preparation, primarily in automotive, marine, and woodworking applications. This roll features premium aluminum oxide grain, delivering a fast cut rate, long life, and a smooth finish.

The Stikit™ backing ensures easy attachment to hand or machine sanding blocks and allows for quick sheet replacement without adhesive mess. The blue backing color helps with visibility during sanding, especially on lighter surfaces.

Key Features

• Stikit™ pressure-sensitive adhesive backing for quick and clean attachment

• Aluminum oxide abrasive for fast cutting and durability

• Excellent for feather-edging, primer sanding, and paint preparation

• Rolls easily tear into desired sheet lengths

• Blue color improves sanding visibility

Specifications

• Part Number: 36226

• Model: 321U / 400E

• Width: 2.75 inches (70 mm)

• Length: 45 yards (41.1 meters)

• Backing Type: Paper (A-weight)

• Grit: Varies (400E series typically includes grits like P400 – confirm exact grit on label)

• Abrasive Material: Aluminum Oxide

• Color: Blue

• Adhesive Type: Stikit™ (Pressure-sensitive adhesive)

• Applications:

  • Automotive body and paint prep

  • Wood finishing

  • Metal and composite sanding

  • Marine surface smoothing