Micron Size Diamond｜TRUSTWELL CO.,LTD

Type of Toughness

3 kinds, TOUGH・STANDARD・FRIABLE of toughness grains are provided by managing raw materials of micron size products.

Type of Shape

3 kinds, Blocky・Irregular・Un-crushed grains are provided.

PRODUCT LINE

	CHARACTERISTICS
TMD	STANDARD	General and versatile use abrasive grain for wrapping, polishing, and slicing of cemented carbide, sapphire, ceramics, and etc. We classified the primary, secondary, and tertiary in our TW / TMD grains. It is suitable for applications that require precision finish surface. Specifications for précised sort will meet the needs of the individual.
TMD-S	FIRST SORT PRODUCT
TMD-SA	SECOND SORT PRODUCT
TMD-SS	PRECISELY SORT PRODUCT
TMD-L	FRIABLE PRODUCT	Black color grains crushed from pure resin bond type diamond and has well friability and sharpness and suitable for high concentrated tool.
TMD-LS	FIRST SORT PRODUCT
TMD-LA	SECOND SORT PRODUCT
TMD-LSS	PRECISELY SORT PRODUCT
TMD-M	TOUGH PRODUCT	Yellow color, very clean less impurity grains crushed from pure metal bond type diamond and has very tough crystallization.
TMD-MS	FIRST SORT PRODUCT
TMD-MA	SECOND SORT PRODUCT
TMD-MSS	PRECISELY SORT PRODUCT
TMD-B	COST EFFICIENCY PRODUCT	A product of the field not require an emphasis on the economy and strict classification.
TMD-MC	QUASI MONOCRYSTAL PRODUCT	Un-crushed and mainly cube-octahedral grains is extremely tough and has well impact resistance and wear resistance.
TMD-MC-TI	TITANIUM COAT PRODUCT
TMD-PC2	POLYCRYSTAL PRODUCT	Polycrystaline diamond through coagulation binding by synthesized fine grains. Well performance for polishing brittle material such as sapphire and SiC.
TMD-PC2S	COARSE GRAIN SORT PRODUCT

GRAIN TOGHNESS TOUGH
GRAIN TOGHNESS FRIABLE
SIZE DISTRIBUTION BROAD
SIZE DISTRIBUTION NARROW

		TMD-MC
		TMD-M	TMD-MS	TMD-MA	TMD-MSS
TMD-C	TMD-B	TMD・TMD-S		TMD-SA	TMD-SS
		TMD-L	TMD-LS	TMD-LA	TMD-LSS
		TMD-PC2	TMD-PC2S

STANDARD SIZE LIST

SIZE	AVERAGE SIZE(μm)	PRODUCT NAME
SIZE	AVERAGE SIZE(μm)	TMD	TMD-S	TMD-SA	TMD-SS	TMD-L TMD-M	TMD-LS TMD-MS	TMD-LA TMD-MA	TMD-B TMD-C	TMD-PC2 TMD-PC2S
0-0.10	0.05	●								1/20
0-0.15	0.08	●
0-0.20	0.10	●								1/10
0-1/4	0.25	●				●			●	1/8
0-1/2	0.45	●				●			●	1/4
0-1	0.60	●			●	●			●	1/2
0-1.5	0.80	●			●	●			●
0-2	1.00	●			●	●			●	1.0
1/2-1.5	1.10	●			●	●			●
1/2-2	1.20	●			●	●			●
0-3	1.30	●			●	●			●	1.5
1-2	1.40	●			●	●			●
1/2-3	1.60	●			●	●			●	2.0
2-3	1.80	●			●	●			●	2.5
2-4	2.20		●	●	●	●	●	●	●	3.0
2-6	2.80		●	●	●	●	●	●	●	3.5
4-6	3.50		●	●	●	●	●	●	●	4.0
3-8	4.30		●	●	●	●	●	●	●	5.0
4-8	5.00		●	●	●	●	●	●	●	6.0
5-10	5.60		●	●	●	●	●	●	●	7.0
5-12	6.50		●	●	●	●	●	●	●
6-12	7.50		●	●	●	●	●	●	●	9.0
8-16	9.00		●	●	●	●	●	●	●
8-20	11.50		●	●	●	●	●	●	●
10-20	13.00		●	●	●	●	●	●	●
12-25	16.00		●	●	●	●	●	●	●
20-25	18.00		●	●	●	●	●	●	●
20-30	20.00		●	●	●	●	●	●	●
20-40	25.00		●	●	●	●	●	●	●
30-40	28.00		●	●	●	●	●	●	●
40-60	36.00		●	●	●	●	●	●	●
50-70	50.00		●

Please contact us for Ni and Ti coat products.

PRECISION SORT PRODUCT

Our own sorting process removes both / either coarse size grains which tend to damage processed surface and fine size grains which tend to cluster from the original micron size diamond grain distribution.

GRAIN TYPES	FIRST SORT	SECOND SORT	PRECISION SORT
STANDARD	TMD-S	TMD-SA	TMD-SS
FRIABLE	TMD-LS	TMD-LA	TMD-LSS
TOUGH	TMD-MS	TMD-MA	TMD-MSS

TRUST SORTING

Over-cut and under-cut 2 steps classification process or either process are available at the request of customers.