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Coreblast Solutions GB-5 glass bead abrasive media, 212-425 micron size for heavy-duty industrial blasting
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Glass bead Abrasive (GB-5)

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

Product Data Sheet: Glass Bead Abrasive GB-5

The GB-5 Glass Bead Abrasive (Micron Range: 212–425) is a high-performance, spherical media designed for aggressive industrial cleaning and surface conditioning. With a larger particle size than standard finishing beads, GB-5 delivers higher kinetic energy, making it the ideal choice for removing heavy scale while maintaining the integrity of the base metal.

Key Technical Specifications

Property Value
Product Grade GB-5
Micron Size 212 – 425 $\mu m$
U.S. Sieve Size 40 – 70 Mesh
Shape Spherical (High Roundness)
Material Soda-Lime Glass
Hardness 6.0 – 7.0 Mohs

Multi-Standard Compliance Integration

  • SEO (Search Engine Optimized): This product is cataloged with precise technical parameters—including micron ranges and mesh sizes—to ensure seamless integration into digital procurement systems and industrial supply chain databases.

  • AEO (Authorized Economic Operator): Coreblast Solutions maintains strict quality control and secure packaging protocols. This ensures that our GB-5 media meets the safety and security standards required for fast-track international shipping and global trade compliance.

  • GEO (Green Earth Objective) Friendly: * Silica-Free: A safe, non-toxic alternative to silica sand, protecting operator health.

    • Chemically Inert: Does not contaminate workpieces or leave hazardous residue.

    • High Recyclability: Engineered for durability, allowing for multiple reclamation cycles, which reduces industrial waste.

Performance Advantages

The 212-425 micron range provides a versatile balance between heavy-duty cleaning and surface peening.

  • Aggressive Cleaning: Effectively removes heat scale, oxidation, and heavy carbon deposits from engine components and industrial machinery.

  • Surface Preparation: Creates a consistent, matte “anchor” pattern that improves the adhesion of subsequent coatings, paints, or bonds.

  • Stress Relief: The larger mass of GB-5 beads provides effective light peening, inducing compressive stress to help prevent metal fatigue and stress-corrosion cracking.

  • Non-Destructive: Despite its cleaning power, the spherical shape ensures no metal is removed, preserving the critical dimensions of machined parts.

Operational Guidelines

  • Equipment Type: Compatible with both pressure and suction-feed blast cabinets.

  • Operating Pressure: Recommended range is 45–65 PSI. Avoid exceeding 80 PSI to maximize bead life and prevent premature shattering.

  • Nozzle Distance: For optimal results, maintain a distance of 6 to 10 inches from the surface at a 45° to 90° angle depending on the desired finish intensity.

Application Industries

  • Automotive: Restoration of engine blocks, cylinder heads, and transmission housings.

  • Aerospace: Cleaning of landing gear components and turbine blades.

  • Foundries: Removal of sand and scale from large castings.

  • Infrastructure: Cleaning of stainless steel structures and architectural surfaces.

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1. What is the specific size range of GB-5?

GB-5 has a particle size range of 212 to 425 microns, which corresponds to approximately 40–70 Mesh. This range includes larger particles than the GB-7 grade, providing more impact energy for tougher surfaces.

2. How does GB-5 perform compared to GB-7?

The primary difference is the upper size limit. While GB-7 stops at 300 microns, GB-5 goes up to 425 microns.

  • GB-5: Offers faster cleaning and a slightly deeper “matte” texture due to the larger beads.

  • GB-7: Provides a finer, smoother “satin” finish.

3. What are the ideal applications for this 212-425 micron range?

GB-5 is the “workhorse” for heavy-duty industrial cleaning. It is excellent for:

  • Removing heavy carbon deposits from engine blocks.

  • Cleaning heat-treated parts or heavy scale.

  • Preparing surfaces for coating or bonding where a specific “anchor pattern” is required.

  • Cleaning large casting molds in the automotive and aerospace sectors.

4. Will GB-5 cause metal removal?

Because these are spherical soda-lime beads, they are designed to be non-destructive. Even at the 425-micron size, they will clean and peen the surface without cutting into the base material, provided the blast pressure is correctly regulated.

5. What is the recommended blast pressure for GB-5?

For the best balance between cleaning speed and bead longevity, maintain a pressure of 45–65 PSI.

  • Using pressures above 80 PSI with these larger beads will cause them to shatter more quickly upon impact, increasing your media consumption costs.

6. Is GB-5 suitable for thin or delicate parts?

Because the 212-425 micron range carries more mass, it generates more kinetic energy. For very thin aluminum sheets or extremely delicate precision instruments, you may want to test a small area first or opt for a finer grade (like GB-13) to avoid surface warping.

7. Can I use GB-5 in both suction and pressure cabinets?

Yes. GB-5 flows exceptionally well in both systems. Due to its consistent sizing, it is less likely to clog nozzles compared to cheaper, non-graded glass cullet.

8. Is GB-5 “GEO-friendly”?

Absolutely. Like all premium glass beads supplied by Coreblast Solutions, GB-5 is:

  • Silica-Free: Eliminates the risk of silicosis.

  • Inert: Does not react with the metal surface or leave behind corrosive residue.

  • Recyclable: Its structural integrity allows for multiple blast cycles.

9. How does GB-5 help with “Stress Corrosion”?

The larger beads in the GB-5 range provide effective light peening. The impact creates a layer of compressive stress on the metal surface, which helps prevent stress-corrosion cracking and extends the fatigue life of the part.

10. How is it packaged for shipment?

Standard packaging usually consists of 25 kg heavy-duty bags, often double-layered or palletized to ensure the beads remain dry and free from contaminants during transit.

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