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Select all	Attribute	Value
	Brand	3M
	Backing Material	Cloth (J-Weight)
	Disc Diameter	75mm
	Sub Type	Cutting Disc
	Product Type	Adhesive-Backed/PSA Sanding Disc
	Abrasive Material	Precision Shaped Grain
	Grit Size	50
	Grade	80
	Standards/Approvals	ANSI, OSHA

	Select all
	Brand 3M
	Backing Material Cloth (J-Weight)
	Disc Diameter 75mm
	Sub Type Cutting Disc
	Product Type Adhesive-Backed/PSA Sanding Disc
	Abrasive Material Precision Shaped Grain
	Grit Size 50
	Grade 80
	Standards/Approvals ANSI, OSHA

Datasheet - 7100284521

RoHS Status: Exempt

COO (Country of Origin):: US

3M Adhesive-Backed/PSA Sanding Disc, 76.2mm Disc Diameter, 80 Grit size - 7100284521

This adhesive-backed/PSA sanding disc is a 76.2mm abrasive disc designed for heavy stock removal and finishing on a range of substrates. It combines a cotton cloth backing with precision-shaped grain to deliver fast cutting and extended service life while being compatible with vacuum extraction systems for cleaner operation in industrial sanding setups.

Features & Benefits

• Precision-shaped grain reduces abrasive wear and maintains cutting speed
• Cotton cloth backing offers durability and flexibility for contoured work
• PSA attachment ensures rapid, secure fitting to power-tool pads
• Open coat construction resists loading for longer continuous use
• Anti-static treatment minimises charged swarf and aids dust control

Applications

• Suitable for metal stock removal and surface preparation
• Ideal for sanding aluminium components and composite panels
• Used with random orbital sanders fitted to vacuum systems
• Can be used for hardwood and softwood blending and finishing

What backing material supports repeated use on curved surfaces?

A J-weight cotton cloth backing provides wear resistance with flexibility for shaped or contoured parts.

How does the disc behave when sanding materials prone to loading?

The open coat layout helps prevent mineral build-up, sustaining cut-rate and abrasive life on sticky or resinous surfaces.

What feature assists dust management during machine sanding?

An anti-static treatment neutralises static charge, helping swarf detach and improving extraction efficiency when used with a compatible vacuum system.

Which abrasive technology governs cutting performance as the disc wears?

The abrasive uses precision-shaped grain that fractures to form new Sharp edges, maintaining cutting action and consistent life.

3M Precision Shaped Grain Adhesive-Backed/PSA Sanding Disc Cutting Disc, 75 mm, 80 Grade, 50 Grit

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