Indasa 6" HT Line Rhynogrip Ultravent Sanding Discs (8660 Series)

The Latest Evolution in High-Performance Sanding Technology

🚀 Product Overview

Indasa 6" HT Line Rhynogrip Ultravent Sanding Discs are engineered for maximum performance, durability, and precision finish quality. Designed with advanced blue-fired aluminum oxide grain and high-strength resin bonding, these discs deliver fast, consistent cutting power with extended working life.

Featuring the revolutionary Ultravent multi-hole pattern, HT Line discs dramatically improve dust extraction, keeping surfaces cleaner while enhancing abrasive efficiency.

The innovative color-change technology (white to red) signals when the disc has reached the end of its working life—helping reduce waste and maintain optimal performance.

From aggressive stock removal to ultra-fine finishing (up to 2000 grit), HT Line is built for professionals who demand consistent results.

✅ Features & Benefits

✔ Ultravent Multi-Hole Technology
Advanced hole patterns maximize dust extraction for cleaner sanding and longer disc life

✔ Color Change Wear Indicator (White → Red)
Easily identify when it’s time to replace the disc for peak performance

✔ High Initial Cutting Power
Delivers fast stock removal with superior efficiency

✔ Uniform Scratch Pattern
Ensures smooth, consistent surface preparation

✔ Flexible Latex Paper Backing (B & D Weight)
Adapts easily to curves, edges, and contoured surfaces

✔ Advanced Anti-Clogging Coating
Prevents loading and extends abrasive life

✔ High Strength Resin Bond
Minimizes grit shedding for durability and reliability

✔ Hook & Loop (Grip) Backing System
Quick and secure attachment to all standard 6" backup pads

⚙️ Ultravent Hole Pattern Breakdown

To optimize dust extraction and performance, each grit range features a specific hole pattern:

• 15 Hole Pattern → 40–60 Grit (Heavy Stock Removal)
• 21 Hole Pattern → 80–180 Grit (General Sanding & Prep)
• 57 Hole Pattern → 220–2000 Grit (Fine Finishing & Polishing Prep)

📦 Product Specifications

• Size: 6 Inch Disc
• Attachment: Hook & Loop (Grip Backing)
• Grain: Blue-Fired Aluminum Oxide
• Backing: Flexible Latex Paper (B & D Weight)
• Coating: Anti-Clogging Stearate Layer
• Grit Range: 40 – 2000
• Pack Size: 50 Discs per Box

🛠 Applications

• Heavy Duty Sanding
• Surface Preparation
• Fine Sanding & Blending
• Micro-Finishing & Rectification

🧱 Suitable Substrates

• Old Paint
• Body Fillers
• Primers
• Top Coats & Clear Coats
• Gelcoat & Fiberglass
• Solid Surfaces
• Hardwood & Wood Coatings

🎯 Industries & Use Cases

• Automotive Refinishing
• Woodworking & Furniture
• Marine & Composite Applications
• Decorative Finishing

🔧 Recommended For Best Performance

• Indasa Ultravent Backup Pads
• Foam Interface Pads
• Standard 6" Hook & Loop Sanders

Product Sheet Download