Sunmight Gold 8" PSA Sanding Discs – Premium Aluminum Oxide Sticky Back Abrasives for Automotive & Industrial Sanding
Product Overview:
Sunmight Gold 8" PSA Solid Sanding Discs are premium pressure-sensitive adhesive (PSA) sanding discs designed for automotive refinishing, marine applications, woodworking, metalworking, and composite materials. Manufactured with heat-treated aluminum oxide grain, durable latex paper backing, and phenolic resin bonding, these discs provide fast cutting action, extended service life, reduced clogging, and a consistent scratch pattern for professional results
Features peel away backing with peel tab for easy handling and affixing even when wearing gloves and PSA (Pressure Sensitive Adhesive) backing, to be used in conjunction with most 8" smooth vinyl face backup pads.
Sold 50 discs per box.
Features & Benefits:
- Features a high-quality latex backing that is strong and durable
- Special Phenolic resin over resin adhesion technology reduces shelling (grit shedding) problems and provides longer working life
- Features PSA (Pressure Sensitive Adhesive) backing, to be used in conjunction with most 8" smooth vinyl face backup pads
- Tabbed, peel away backing with for easy handling and affixing to backup pad
- Perfect for automotive, aerospace, marine, wood and metal applications
Sunmight Gold is more durable and prevents shelling and grit shedding

Common Applications
Sunmight Gold 8" PSA Sanding Discs are commonly used for:
- Automotive paint preparation
- Primer sanding
- Body filler shaping
- Clear coat defect removal
- Gelcoat sanding
- Marine refinishing
- Wood surface preparation
- Metal finishing
- Composite sanding
- Furniture restoration
Product Specifications:
- Grain: Premium Aluminum Oxide
- Backing: Latex
- Attachment: PSA (pressure sensitive adhesive)
- Bonding Adhesive: Phenolic Resin
- Coating: Open Coat
- Grit Range: 80 to 800
- Size: 8" discs
- Quantity per Box: 50 discs
Compare To:
- 3M Clean Sand
- Mirka Gold
- Norton Pure Ice Film, Norton Cyclonic
- Sia 1950 Siaspeed, Sia 1950 Siaspeed Film
Why Professionals Choose Sunmight Gold
Sunmight Gold 8" PSA sanding discs are designed for professionals who need consistent cutting performance, long abrasive life, and a uniform scratch pattern. The combination of premium aluminum oxide grain, durable latex backing, and phenolic resin bonding helps reduce grit shedding and improves productivity.
| Grit | Common Use |
|---|
| 40-80 | Paint removal, shaping fillers |
| 100-180 | Primer sanding |
| 220-320 | Surface preparation |
| 400-600 | Fine finishing |
| 800-1200 | Paint correction and polishing prep |
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