Mold & die
Polishing molds, dies, matrices from hardened steel and carbide. Removing machining marks, achieving mirror finish.
Diamond Pastes
Ready-to-use polishing pastes on water and oil base. Wide grit range from 0.25 to 40 μm. Stable diamond powder concentration, scratch-free, high material removal rate.
Specifications
| Grit, μm | Operation | Base |
|---|---|---|
| 40–20 | Rough polishing | Oil / water |
| 14–6 | Semi-finishing | Oil / water |
| 3–1 | Finishing | Oil / water |
| 0.5–0.25 | Mirror finish | Water |
Diamond concentration: standard 50% or custom. Packaging: 5 g syringes, 100 g, 500 g, 1 kg jars.
Applications
Jewelry
Polishing gold, silver, platinum and gemstones. Water base for delicate work, oil base for intensive polishing.
Carbide
Polishing carbide (WC-Co) tools and parts, edge finishing. Medium and fine grits 1–20 μm, removing machining marks.
Metalworking
Finishing stainless steel, titanium, aluminum parts. Deburring, surface leveling, coating preparation.
Pastes in photos
Find the right paste for your task
Describe your material and required surface finish — we'll match grit, base and concentration. Trial batch — minimum volume.
Get adviceFrequently Asked Questions
Is DIAMTECH a factory or a trading company?
DIAMTECH is a diamond trading and sourcing company, not a factory. We work directly with the Henan cluster, selecting and comparing products across plants and matching the best partner plant for each batch.
Which bases and concentrations are available?
Base: water or oil. Paste concentration 5–25%. Grain size range 0.25–40 μm. Packaging 1 / 5 / 20 L.
What is the minimum order quantity?
Standard micron powder from 1 kg, suspensions from 5 L. The minimum for a custom fraction is 10 kg. Send us your requirement by email and we will confirm the exact MOQ for your case.
How is pricing calculated, and what are the volume terms?
Prices are not published on this site. Cost depends on grade, particle fraction, quantity and delivery terms, and is confirmed by inquiry. Describe your requirement by email and we will send a quotation.
Which quality documents are available?
A COA is issued per batch on request. Test protocols from the Henan Provincial Quality Supervision & Inspection Center for Synthetic Diamond Micron Powder (Zhecheng) — China's only specialized state laboratory for micron powder — or from the National Center are available on request.
Are samples available?
Samples are available, but the sample fee and freight are paid by the buyer (collect); both are credited to the first order. DIAMTECH does not offer free samples.
What are the payment terms?
TT: 30% deposit, balance before shipment. An invoice is provided.