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Select all	Attribute	Value
	Brand	3M
	Product Type	Adhesive-Backed/PSA Sanding Disc
	Backing Material	J-Weight
	Sub Type	Cutting Disc
	Disc Diameter	152.4mm
	Abrasive Material	Precision Shaped Grain
	Grit Size	50
	Grade	320+
	Standards/Approvals	OSHA, ANSI

	Select all
	Brand 3M
	Product Type Adhesive-Backed/PSA Sanding Disc
	Backing Material J-Weight
	Sub Type Cutting Disc
	Disc Diameter 152.4mm
	Abrasive Material Precision Shaped Grain
	Grit Size 50
	Grade 320+
	Standards/Approvals OSHA, ANSI

RoHS Status: Exempt

COO (Country of Origin):: US

3M Adhesive-Backed/PSA Sanding Disc, 150mm Disc Diameter, J-Weight Backing - 7100284271

This adhesive-backed/PSA sanding disc is a 150mm abrasive engineered for heavy stock removal and finishing across a range of substrates. It combines precision-shaped grain mineral chemistry with a Durable J-weight cloth backing and a pressure-sensitive adhesive attachment to deliver consistent cutting on metals, timber and composites when used with hand or orbital sanders and compatible vacuum systems.

Features & Benefits

• Precision-shaped grain provides continuous fracturing for sustained cut
• Open-coat construction reduces loading for longer abrasive life
• Anti-static treatment neutralises charged swarf to aid dust management
• Cloth J-weight backing balances wear-resistance with flexibility
• PSA attachment enables Rapid disc changes and secure adhesion

Applications

• Suitable for metal finishing and deburring operations in fabrication
• Ideal for smoothing gelcoat and fibreglass components
• Used for blending and finishing aluminium and hardwoods
• Can be used for heavy stock removal on composite panels
• Suitable for hand or orbital sanders with vacuum back-up pads

How does the abrasive maintain cutting performance as it wears?

The mineral fractures into new cutting points during use, preserving sharpness and extending run time without Rapid glazing.

What benefit does the anti-static treatment provide in workshop environments?

It reduces static charge on dust and swarf, helping vacuum systems collect debris more effectively and reducing material cling to surfaces.

Which backing properties affect durability and conformability?

The J-weight cloth combines tear resistance with pliability, enabling the disc to withstand aggressive sanding while conforming to contoured parts.

How should the disc be paired for optimal dust control?

Use with a multi-hole back-up pad and a random orbital Sander fitted to a vacuum system to maximise extraction and minimise loading.

3M Precision Shaped Grain Adhesive-Backed/PSA Sanding Disc Cutting Disc, 152.4 mm, 320+ Grade, 50 Grit

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