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Coarse GB-08 spherical glass bead abrasive 125-250 micron for industrial shot peening and heavy rust removal.
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Glass bead Abrasive (GB-08/ AC Grade)

Original price was: ₹100.00.Current price is: ₹70.00.

When should I choose GB-08 (Grade AC) over finer glass beads? You should choose GB-08 (125–250 microns) when your primary goal is speed and impact. Finer beads (like GB-10) are for delicate aesthetics, but the AC grade is necessary for removing heavy rust, stripping old paint, or peening metal to prevent stress cracking.

Does GB-08 glass bead media affect the dimensions of the part? Even with its higher impact energy, GB-08 remains non-abrasive in terms of material removal. Because the particles are spherical, they “dimple” the surface rather than “cut” it. This ensures that even heavy cleaning does not change the critical tolerances of your industrial components.

What blasting pressure is recommended for Grade AC glass beads? For general cleaning, a pressure of 50–80 PSI is recommended. If you are using them for peening, the pressure can be adjusted based on the required Almen strip intensity. Because of their size, they maintain their spherical integrity even at these higher pressures.

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  • Image File Name: gb-08-glass-bead-abrasive-125-250-micron-ac-grade.webp

  • Image Title: GB-08 Grade AC Glass Bead Abrasive

  • Alt Text: Coarse GB-08 glass bead abrasive 125-250 micron for heavy-duty industrial sand blasting and peening.

  • Caption: GB-08 (Grade AC) Glass Beads: The professional choice for high-impact stripping and metal stress relief.

  • Description: Premium GB-08 (Grade AC) glass bead blasting media. Sized at 125-250 microns, it is ideal for heavy scale removal, engine restoration, and industrial surface finishing.

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Industrial Glass Bead Abrasive | GB-08 (Grade AC) | 125–250 Microns

Maximize your surface preparation efficiency with our GB-08 (Grade AC) Glass Bead Abrasives. With a robust micron range of 125–250 microns, this grade is the powerhouse of the glass bead family. It is specifically engineered for high-impact cleaning, stripping, and peening applications where a more pronounced, uniform satin finish is required.

Technical Specifications

  • Grade: GB-08 / Grade AC

  • Micron Range: 125 – 250 Microns

  • Shape: High-Sphericity Glass Spheres

  • Material: Eco-friendly, chemically inert Soda-lime glass

  • Roundness: ≥ 80%

  • Hardness: 6–7 Mohs

Key Advantages of GB-08 (125–250 Microns)

1. High-Impact Cleaning & Stripping The larger mass of the 125–250 micron particles provides the kinetic energy necessary to strip heavy oxidation, thick heat scale, and stubborn coatings. It works significantly faster than finer grades on large industrial surfaces.

2. Superior Metal Peening & Stress Relief Grade AC is frequently used for shot peening of metal components. The impact of these larger spherical beads helps condense the metal surface, relieving tensile stress and significantly improving the fatigue life and durability of critical parts.

3. Deep Satin Finishing While still maintaining a “satin” look, GB-08 creates a deeper, more textured matte finish. This is ideal for blending tool marks, hiding weld seams, and preparing surfaces for high-performance industrial coatings or bonding.

4. Maximum Durability Due to their larger diameter, these beads are exceptionally resilient. They can withstand higher blasting pressures without fracturing, leading to a longer service life and reduced dust levels in your blasting cabinet.

Primary Applications

  • Heavy Machinery Maintenance: Cleaning cast iron parts, gears, and structural steel.

  • Engine Rebuilding: Removing heavy carbon deposits and scale from blocks and heads.

  • Surface Preparation: Creating an optimal “anchor pattern” for paints and industrial coatings.

  • Structural Finishing: Achieving a uniform architectural finish on large-scale stainless steel structures.

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