Product Overview
SND-G15 Premium Yellow Crushed RVD Diamond Grit is an industrial diamond abrasive in SinoDiam’s SND-G crushed RVD series. It occupies the premium-grade position for abrasive-tool manufacturers evaluating greater abrasive grain integrity and reliable cutting behavior in demanding grinding applications.
SND-G15 features yellow, irregular and angular crushed diamond particles with fractured surfaces and multiple potential cutting edges. These crystal characteristics are relevant to abrasive engagement, grain retention and cutting-edge renewal when the grit is incorporated into a suitable bonded grinding tool.
Within SinoDiam’s product portfolio, SND-G15 is positioned above SND-G10 Standard Yellow and SND-G05 Economy Green in the intended grade-selection hierarchy. Its premium positioning emphasizes evaluation of grain durability under grinding load while maintaining appropriate cutting action.
The primary application direction is resin-bond abrasive tools. Candidate applications include demanding stone grinding and finishing, cemented carbide grinding, selected technical ceramics and other hard-and-brittle materials requiring a suitable combination of cutting action and grain retention.
A premium grade is not automatically the best choice for every wheel. If excessive grain retention leads to glazing, higher grinding force or insufficient cutting-edge renewal, a more friable grade or a different bond formulation may be more appropriate.
For meaningful grade selection, SinoDiam recommends comparing particle-size distribution, abrasive fracture response, bond retention, wheel wear, workpiece surface quality and grinding performance under equivalent operating conditions.
Technical Specifications
The information above describes SinoDiam’s intended SND-G15 product positioning and application-selection direction. Confirm diamond feedstock origin, individual mesh fractions, grading standard and measured crystal properties using grade-specific technical records. Premium positioning is not a quantified guarantee of greater toughness, tool life or grinding efficiency.
Crystal Characteristics & Grinding Behavior
Angular Crushed-Diamond Morphology
The fractured particle surfaces and irregular crystal outlines provide multiple potential cutting edges. Cutting behavior depends on the actual particle geometry, workpiece contact and abrasive exposure within the finished tool.
Premium Grain-Integrity Position
SND-G15 is positioned for manufacturers evaluating a more durable crushed-grain response under demanding grinding conditions. Actual grain strength and comparative toughness should be established using the relevant testing method.
Controlled Cutting-Edge Renewal
Localized grain fracture can expose fresh abrasive edges when the applied force and grain characteristics are suitable. Premature breakdown or excessive grain retention can both negatively affect tool performance.
Grinding Load & Bond Retention
Diamond crystal integrity must be considered together with bond hardness, abrasive concentration, grain exposure and grinding load. The correct balance can only be determined by evaluating the complete wheel or abrasive tool.
Recommended Applications
SND-G15 is intended primarily for evaluation in premium-positioned resin-bond grinding tools. The following are candidate applications requiring grade-specific mesh selection, bond formulation and practical tool testing.
Demanding Stone Grinding
For evaluation in resin-bond abrasive tools used to grind granite, quartzite and other hard natural stones where grinding load, grain retention and wheel wear are important selection factors.
Premium Stone-Finishing Tools
For grinding and finishing-tool development where surface quality, abrasive consumption and process stability must be balanced. The appropriate polishing sequence and particle grading remain essential.
Cemented Carbide Grinding
A candidate for specialized resin-bond diamond wheels grinding tungsten carbide components and carbide cutting-tool surfaces. Grinding force, workpiece integrity and wheel wear should be validated under actual operating conditions.
Technical Ceramic Grinding
For evaluating resin-bond grinding tools processing selected technical ceramics. Particle size, grain fracture response and wheel formulation should be matched to material brittleness and surface-damage requirements.
Precision Profile Grinding
For application trials where tool-profile retention, abrasive grain durability and controlled wheel wear are important. Suitability depends on wheel structure, abrasive exposure, dressing and the target workpiece.
Specialized Abrasive-Tool Development
For manufacturers comparing premium crushed diamond grades in bonded tools where the balance of material removal, grain retention, cutting-edge renewal and cost per finished component is being optimized.
Applications listed here are evaluation directions, not verified performance claims for every G15 mesh size or tool system. SND-G15 should not automatically be substituted for metal-bond saw grit, CBN in ferrous grinding, or other application-specific superabrasive grades.
Mesh Size Selection & Grinding Requirements
The required SND-G15 mesh size should be selected according to the workpiece material, resin-bond formulation, grinding load, material-removal requirements and target surface finish. Individual size availability must be confirmed against the current SND-G15 technical specification.
How Grit Size Influences Tool Performance
Coarser diamond grit: May be evaluated for earlier grinding operations or higher material removal where the tool design and workpiece permit larger abrasive particles.
Intermediate diamond grit: Can be considered when grinding efficiency, particle retention, wheel wear and surface quality must be balanced.
Finer diamond grit: May be selected for later grinding and finishing operations where a smaller abrasive contact pattern is needed. Surface-finish results still depend on the complete process.
For accurate comparison between SND-G15 and a competing crushed RVD grade, use equivalent mesh fractions and the same grading standard wherever possible. Particle-size distribution and oversized-particle control may affect finished-tool performance even when nominal mesh designations match.
Historical SinoDiam SND-G15 descriptions referenced 80/100 mesh and additional sizes such as 60/80 and 400/500. These are not presented here as verified current supply specifications. Contact SinoDiam to confirm the actual available grade-specific mesh list and any order requirements.
Bond Compatibility & Abrasive Tool Design
Diamond-grain selection and bond design must be considered together. A tougher abrasive grain does not automatically produce a longer-lasting or better-cutting grinding wheel.
Resin-Bond Grinding Wheels
Primary application direction. SND-G15 is positioned for resin-bond grinding tools requiring evaluation of grain durability, abrasive exposure, controlled fracture and wheel wear under the intended grinding load.
Bond Retention & Wheel Wear
The resin system must provide appropriate grain retention without preventing necessary cutting-edge renewal. Excessive bond wear, grain pull-out and wheel glazing should be monitored during formulation trials.
Electroplated Diamond Tools
Separate application validation required. Potential compatibility depends on crystal shape, plating chemistry, grain exposure, nickel-layer retention and the mechanical requirements of the finished tool.
Vitrified & Metal-Bond Tools
Separate application validation required. Bond chemistry, manufacturing temperature, diamond stability, grain retention and intended grinding loads must be assessed before choosing SND-G15 for these systems.
The potential to evaluate SND-G15 in an additional bond system does not imply universal compatibility or guaranteed performance in that bond system.
How to Compare SND-G15 with Standard Yellow RVD Diamond
Premium crushed diamond grades should be evaluated against standard grades using comparable technical characteristics and actual grinding results. Crystal color or a higher product-grade name alone does not establish a measured strength difference.
| Comparison Item | What to Evaluate | Why It Matters |
|---|---|---|
| Crystal Strength | Test results at matching particle sizes, where available | Helps evaluate grain response under grinding load |
| Grain Morphology | Angular shape, fractured surfaces and particle uniformity | Influences abrasive engagement and bond retention |
| Mesh Grading | Particle-size distribution and grading standard | Supports consistent tool formulation and finish |
| Fracture Response | Grain breakdown and cutting-edge renewal | Helps balance free cutting against grain durability |
| Bond Retention | Grain exposure, pull-out and wheel glazing | Affects wheel behavior and abrasive consumption |
| Grinding Results | Grinding force, removal rate, finish and tool wear | Provides application-specific evidence of performance |
The criteria above define a comparison method. They are not published G15 test values or proof of a fixed percentage advantage over SND-G10 or other suppliers’ products.
Crushed RVD vs. Resin Bond RVG & Metal Bond Diamond
SinoDiam provides several diamond abrasive families for different tool designs. Crushed RVD, resin-bond RVG and metal-bond mesh diamonds can sometimes serve similar workpiece materials, but they are selected using different crystal and bond-performance priorities.
| Diamond Series | Selection Focus | Typical Tool Direction |
|---|---|---|
| Crushed RVD / SND-G15 | Premium-positioned angular crushed grit; grain-durability evaluation | Selected resin-bond grinding and finishing tools |
| Resin Bond RVG / SND-R | Relative friability and controlled self-sharpening | Precision resin-bond grinding wheels |
| Metal Bond Mesh / SND-G20–G60 | Crystal toughness and retention in metal matrices | Selected metal-bond grinding, cutting and drilling tools |
These comparisons are general product-selection guidance. Exact specifications, grade suitability and cross-family substitutions require separate technical validation.
SinoDiam Crushed RVD Grade Selection
Choose the appropriate SND-G grade according to the required grain behavior, workpiece, grinding load, bond formulation and total tool economics. The following grade names describe SinoDiam’s selection positions rather than quantified strength rankings.
SND-G05, SND-G10 and SND-G15 should be compared at equivalent particle sizes and application conditions. Their actual crystal-strength values and available mesh lists require separate grade-specific confirmation.
Frequently Asked Questions
1. What is SND-G15 premium yellow crushed RVD diamond grit?
2. What makes SND-G15 different from SND-G10?
3. Is SND-G15 tougher than standard yellow RVD diamond?
4. What are the main characteristics of SND-G15 particles?
5. Which applications are suitable for SND-G15?
6. Can SND-G15 be used for cemented carbide grinding?
7. Can SND-G15 replace saw-grit diamond in heavy-duty cutting tools?
8. What mesh sizes are available for SND-G15?
9. Is SND-G15 manufactured from synthetic diamond?
10. Is SND-G15 equivalent to ZND2115?
11. Is SND-G15 compatible with metal, vitrified or electroplated bonds?
12. Does SND-G15 guarantee longer grinding-wheel life?
13. How can SND-G15 be compared with another supplier’s premium RVD grade?
14. What information is required for an SND-G15 quotation?
SINODIAM INTERNATIONAL · INDUSTRIAL DIAMOND MATERIALS
Request SND-G15 Technical Specifications & Quotation
Looking for premium yellow crushed RVD diamond grit for demanding stone grinding, cemented carbide grinding, technical ceramics or specialized resin-bond abrasive tools?
Tell us your workpiece, current diamond grade, target mesh size, resin-bond formulation, grinding conditions and performance requirements. SinoDiam can discuss grade-specific specifications and the appropriate evaluation approach.
For a comparative grade assessment, please include the existing supplier reference, grinding-force or tool-wear observations, trial quantity and delivery destination.
