HDPN Nano Detonation Polycrystalline Diamond
HDPN Series / Grain size 5 nm - 500 nm / Polycrystalline
HDPN Nano Detonation Polycrystalline Diamond
HDPN Nano Detonation Polycrystalline Diamond is a polycrystalline grade from the HDPN series, produced factory-direct at our own base in Zhengzhou, Henan - the Diamond Capital of China. Standard grain size range: 5 nm - 500 nm. Each batch is checked for particle size distribution before packing, and can be supplied in trial quantities for process validation.
Advantage
- Detonation nano polycrystalline diamond, typically 5 to 500 nm
- Very high specific surface area and stable suspension behaviour
- Hardness and thermal conductivity carried over from bulk diamond
- Disperses into coatings, polymers and metal matrices rather than only sitting on them
- Used both as an abrasive and as a functional filler
- Ships in 1 to 2 working days from stock
Send your workpiece material, target surface finish and order quantity — we confirm the matching grade and sample route within 24 hours.
Product Overview
HDPN Nano Detonation Polycrystalline Diamond is produced by the same detonation route as HDP and then taken down to the nano range, typically 5 to 500 nm. At that size the material behaves differently from a micron abrasive: specific surface area is very high, the particles disperse and stay in suspension, and they are small enough to sit inside a coating or a matrix rather than only on its surface.
That is why HDPN is used as much for what it adds to a material as for what it removes. Diamond coatings use it as the seed material; composites and polymer systems use it to raise hardness, wear resistance and thermal conductivity; polishing slurries use it for the final, ultra-fine step.
Supplied as a dispersion-stable nano powder. Tell us the target size band, the medium it will go into and the residue limits of the process and we will confirm the grade.
Standard Grain Size Chart
Nano polycrystalline diamond is quoted by particle size band rather than by micron grade. The bands below are the ones we supply most often.
| Grade | Size range | Form | Typical use |
|---|---|---|---|
| Nano polycrystalline5 nm – 500 nmCoating, nano polishing and composites | |||
| 5 – 10 nm | Very fine | Dry powder or dispersion | Diamond coating nucleation |
| 10 – 30 nm | Fine | Dry powder or dispersion | Nano polishing, polymer reinforcement |
| 30 – 50 nm | Fine | Dry powder or dispersion | Polishing slurry, thermal interface filler |
| 50 – 100 nm | Medium | Dry powder or dispersion | Composite reinforcement, coolant additive |
| 250 – 500 nm | Coarse nano | Dry powder or dispersion | Lapping and fine polishing slurries |
Custom size bands and dispersions (water, oil, glycol) are available on request. Tell us the medium and the residue limit of your process.
Recommended Applications
Factory Checks Behind This Grade
HNHONGXIANG has produced synthetic diamond powder since 1990 in Henan, China. The factory covers about 124,000 square meters and supplies micron powder, diamond grit, coated diamond and functional diamond materials for global abrasive and precision processing customers.
Batch particle-size inspection
Laser diffraction PSD checked before packing, for stable batch-to-batch performance.
Factory-direct processing
Grading, washing, drying and packing handled in our own plant.
Custom grades available
Grade selection and private-label packaging to your specification.
Export support
Samples, trial orders and bulk shipments with full batch documents.
Packing And Export Options
Standard packing includes sealed bottles, bags or drums according to particle size and order quantity. Inner packaging is moisture-resistant and clearly labeled with product model, grain size, batch number and net weight.
Multiple package options
Sample, kilogram and bulk orders.
Moisture-resistant packing
Sealed bottles, bags or drums.
Clear labeling
Model, grain size, batch no. and net weight.
Export ready
Cartons or drums for air, express or sea.
Bottle package
50 / 100 / 150 / 200 / 300 / 500 / 1000 / 2000 / 3000 / 5000 / 10000 ct
Bag package
100 ct – 10000 ct sealed foil bags, labelled per batch.
Shipping methods
Air, express or sea freight according to order quantity.
Where HDPN Sits In The Polycrystalline Range
Polycrystalline diamond powder carries many small cutting edges on each particle instead of one large edge. The result is a higher removal rate with a shallower scratch, which is why it dominates sapphire, SiC and wafer polishing. The table shows how the poly grades compare.
| Grade | Type | Production route | Size range | Cutting behaviour | Typical applications |
|---|---|---|---|---|---|
| HDYP | Quasi-polycrystalline micron | Cost-reduced polycrystalline route | 1 — 50 µm | Many small edges per particle; high removal without deep scratches | Sapphire, SiC and ceramic wafer polishing slurry; metal finishing |
| HDP | Detonation polycrystalline | Detonation synthesis | 1 — 40 µm | Multi-layered particles with extra crystal edges; coarse grains break down to expose fresh edges | Sapphire, engineering ceramic and optical glass substrates |
| HDPNThis grade | Nano detonation polycrystalline | Detonation synthesis (nano) | 5 — 500 nm | Nano-scale particles with very high specific surface area | Diamond coating, nano polishing, composite reinforcement, thermal management |
| HDRP | Resin-bond polycrystalline | Polycrystalline, selected for resin systems | 0 — 40 µm | Friable structure tuned for resin-bond retention | Resin-bond wheels, lapping and polishing compounds |
What To Include
Send the current product, particle size target and process problem. We will confirm the matching grade, sample route and packing option.