Sumitomo General Catalog 2025-2026

Polycrystalline Diamond

Characteristic Values

Part Material

Grade

Binder

Carbon Content (%) Grain Size (μm) Hardness HK (GPa)

TRS (GPa)

Features

Hard Brittle Material

100% diamond that directly binds nano-order diamond particles with high strength. Demonstrates optimum wear and fracture resistance as well as the best edge sharpness. High-density sintered material made of ultra-fine grain diamond that demonstrates optimum wear and fracture resistance and excellent edge sharpness. Sintered material made of ultra-fine grain diamond that demonstrates both wear and fracture resistance and excellent edge sharpness.

NPD10

100

up to 0.05

120 to 130

≈ 3.15

DA1000

Co

90 to 95

up to 0.5

50 to 60

≈ 2.60

A

DA2200

Co

85 to 90

0.5

45 to 55

≈ 2.45

Non-Ferrous Metal

Micro-grained sintered diamond particles with both machinability and wear resistance.

DA150

Co

85 to 90

5

50 to 60

≈ 1.95

Coarse sintered diamond particles, with high diamond content for excellent wear resistance.

DA90

Co

90 to 95

50

50 to 65

≈ 1.10

Transverse rupture strength measured with a test piece equivalent to the insert’s PCD layer

SUMIDIA ® Series

M2

SUMIDIA ® Binderless

M4

A35

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