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Select all	Attribute	Value
	Brand	3M
	Product Type	Adhesive-Backed/PSA Sanding Disc
	Backing Material	Net Backing
	Disc Diameter	76.2mm
	Sub Type	Abrasive Disc
	Abrasive Material	Ceramic
	Grit Size	50
	Grade	320+
	Standards/Approvals	No

	Select all
	Brand 3M
	Product Type Adhesive-Backed/PSA Sanding Disc
	Backing Material Net Backing
	Disc Diameter 76.2mm
	Sub Type Abrasive Disc
	Abrasive Material Ceramic
	Grit Size 50
	Grade 320+
	Standards/Approvals No

RoHS Status: Exempt

COO (Country of Origin):: US

3M Adhesive-Backed/PSA Sanding Disc, 76.2mm Disc Diameter, 320 Grit size - 7100287540

This adhesive-backed/PSA sanding disc is a net-backed abrasive designed for general sanding, stock removal, surface preparation and intermediate-to-finish sanding across multiple substrates. It combines a blend of aluminium oxide with precision-shaped ceramic grain to deliver controlled cutting performance while allowing dust extraction when used with a compatible support pad and vacuum system.

Features & Benefits

• Precision-shaped ceramic grain for Faster cut rates and longevity
• Net backing enables dust extraction with an extraction system
• Hookit™ loop integration for Rapid disc changes and alignment-free fitting
• Proprietary patterned coating reduces loading and improves finish
• Available in 320+ grade for fine abrasive performance

Applications

• Suitable for scuffing and preparatory sanding of painted surfaces
• Ideal for removing filler and putty prior to final finish
• Used for sanding gelcoat and composite panels in fabrication
• Suitable for surface preparation on metals before assembly
• Can be used for intermediate sanding of whitewood and varnish

How should I store these discs to maintain performance?

Store in the original packaging at 16°C to 26°C and 35 to 50% relative humidity and use stock on a first-in, first-out basis to avoid shortened shelf life.

What backing and attachment method does it use for Rapid changes?

The abrasive is applied to a net backing with integrated loops that mate with a Hookit™ hook-and-loop pad for quick, alignment-free swaps.

Which substrates are compatible with this abrasive formulation?

It is formulated for primer, paint, lacquer, sealer, fillers, gelcoat, composites, whitewood and metals to suit mixed-material manufacturing environments.

What operational benefit does the proprietary coating provide?

The patterned coating is arranged to balance cutting action, finish quality and minimise loading during continuous use.

3M Ceramic Adhesive-Backed/PSA Sanding Disc Abrasive Disc, 76.2 mm, 320+ Grade, 50 Grit

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