Description

Alumina Disc GHX-GRP-CON-GRD-DIA-004

Product Short Description The GHX-GRP-CON-GRD-DIA-004 Alumina Disc is a premium, waterproof aluminum oxide (Al₂O₃) grinding consumable engineered for efficient, uniform material removal with minimal sample distortion and excellent edge retention. Available in plain-back and PSA (self-adhesive) formats, these discs offer consistent cutting action, long service life, and superior performance on ferrous metals, steels, cast irons, hard alloys, and many non-ferrous materials. With grits from 60 to 1200 and standard diameters of 200 mm, 250 mm, and 300 mm, they are the reliable, cost-effective choice for coarse to fine grinding in metallographic preparation workflows across research, quality control, and industrial laboratories.

Specifications

Key Applications & Uses

• Coarse to fine grinding of ferrous metals (steels, cast irons, tool steels), hard alloys, and many non-ferrous materials in metallographic sample preparation
• Plane grinding to remove mounting artifacts, scale, decarburization, and heavy deformation layers prior to fine polishing
• Preparation of flat, uniform surfaces for optical microscopy, SEM, hardness testing, inclusion analysis, and grain size evaluation
• High-volume batch grinding in automotive, aerospace, steel production, foundry, and manufacturing quality control laboratories
• Supporting failure analysis, weld inspection, and microstructural studies in university materials science departments and research institutes
• Routine grinding workflows requiring reliable, cost-effective abrasives with good waterproof performance and minimal sample distortion

Why Choose from G-Hexa?

• Uniform & Consistent Cutting — High-quality alumina abrasive ensures even material removal, reduced sample distortion, and excellent edge retention—critical for accurate metallographic results.
• Waterproof & Durable — Fully waterproof construction with robust backing provides long service life and stable performance in wet grinding environments.
• Flexible Mounting Choices — Plain-back for economical use with clamping rings or PSA self-adhesive for quick, secure, tool-free application—adapting to any lab preference.
• Comprehensive Grit Progression — Full range from 60 to 1200 grit supports every stage from aggressive stock removal to fine pre-polish, in standard diameters for all common platens.
• Cost-Effective Reliability — Delivers dependable batch-to-batch consistency, reducing variability and replacement frequency compared to lower-grade alternatives.
• G-Hexa Ecosystem Advantage — Seamlessly integrates with G-Hexa grinders, polishers, and consumables; backed by fast delivery across India, competitive pricing, and expert technical support for researchers, universities, pharma, biotech, and industrial labs.

Frequently Asked Questions (FAQs)

Q: What is the difference between plain-back and PSA alumina discs? A: Plain-back discs are economical and typically used with clamping rings or separate adhesive; PSA versions have built-in pressure-sensitive adhesive for fast, secure mounting without rings or extra steps.

Q: Which materials are best suited for alumina discs? A: Alumina discs excel on ferrous metals (steels, cast irons, tool steels), hard alloys, and many non-ferrous materials—providing uniform cutting and good durability for general metallographic grinding.

Q: Are these discs intended for wet or dry grinding? A: They are fully waterproof and perform best with water or coolant to enhance cutting efficiency, reduce heat buildup, prevent loading, and extend disc life.

Q: What platen sizes do these discs fit? A: Available in 8″ (200 mm), 10″ (250 mm), and 12″ (300 mm) diameters to match standard metallographic grinder/platen sizes, including G-Hexa equipment.

Q: How many grinding steps are typically needed with alumina discs? A: A common sequence uses 3–5 grits (e.g., 120 → 400 → 800 → 1200) for plane to fine grinding, depending on initial surface condition and final polish requirements.

Q: Can alumina discs be used on automatic grinders? A: Yes—they are fully compatible with both manual and automatic metallographic grinders/polishers under central or individual loading conditions.

Q: How should the discs be stored? A: Store flat in a cool, dry environment away from direct sunlight and extreme humidity to preserve adhesive performance (PSA) and prevent curling or degradation.