K9 Glass Blank for Subsurface Laser Engraving | Cube/Sphere/Heart | RSD Laser
Product details
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Why Choose Our K9 Glass Blanks?
Our premium K9 optical glass blanks are engineered specifically for high-precision subsurface laser engraving. Each piece delivers:
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✅ Optical-Grade Clarity — Extraordinary light transmittance (≥92%) with zero internal bubbles, striations, or inclusions.
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✅ Precision Mirror Polishing — All facets are flawlessly polished to eliminate laser refraction errors and ensure crisp internal beam focusing.
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✅ Strict Dimensional Accuracy — CNC-machined with a tight ±0.1mm tolerance to ensure seamless fitting into alignment jigs.
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✅ Universal Compatibility — Fully optimized for all major 3D crystal subsurface laser engraving machines.
Technical Specifications
| Property | Value |
| Material | Premium K9 Optical Glass (BK7 Equivalent) |
| Refractive Index | 1.516 |
| Light Transmittance | ≥92% |
| Density | 2.53 g/cm³ |
| Abbe Number | 64.1 |
| Bubble & Inclusion Grade | Grade-A (Zero visible defects under amplification) |
Available Shapes & Sizes
We offer a wide range of standard geometric shapes (Cubes, Rectangles, Spheres, Hearts, and Icebergs) alongside a fully flexible Customization Service:
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Custom Shapes: Available upon submission of CAD/STEP files.
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Bespoke Dimensions: Tailored to your exact specs within a ±0.1mm tolerance.
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Pre-Engraving: Option to have logos or branding pre-etched prior to bulk shipping.
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Low MOQ: Only 50 pieces for custom orders (negotiable for trial runs).
Compatible Laser Machines
Our K9 blanks have been rigorously tested and are fully compatible with industry-leading subsurface and 3D crystal laser engraving systems, including:
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xTool F2 Ultra UV (5W UV Laser Engraver)
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ComMarker Omni X UV Series (Precision UV Engravers)
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Mr Carve M7 Pro UV Series
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CrystalBox 3D Crystal Engraving Series
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Han's Laser Subsurface Engraving Series (Green/UV Pulse Systems)
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Holy Laser HSGP Series (Highly popular desktop 3D Crystal Laser Engravers)
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Cerion Laser c-Matrix / c-Elite Series
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STEREOLASER 3D Crystal Laser Systems
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Wisely Laser 3D Subsurface Glass Engraving Machines
💡 Note: Fully compatible with high-performance 355nm (UV) and 532nm (Green) galvo-pulse laser systems configured for subsurface marking and 3D inside-glass micro-burst engraving.
