Matsumi provides abrasive materials tailored to customer needs.

Carborundum (C) is crafted through the precision processing of silica and coke, refined following a high-temperature reaction in electric furnaces. Defined by its immense hardness and thermal stability, this material excels in the most demanding environments, serving as a premium base for industrial abrasives and heat-resistant components.

Usage

Versatile and resilient, this material is engineered for excellence in general grinding wheels, precision coated abrasives, and high-temperature refractories.

Chemical composition (%)

Type	Chemical composition
	SiC	F.C.	Fe2O3
C-MK	97.0 min.	0.5 max.	―

Bulkiness specific gravity

Degree of grain	8	10	12	14	16	20	24	30	36	46
Representative value	1.55	1.55	1.55	1.55	1.55	1.55	1.55	1.57	1.56	1.56

Degree of grain	54	60	70	80	90	100	120	150	180	220
Representative value	1.54	1.54	1.54	1.52	1.51	1.52	1.50	1.49	1.45	1.45

Packaging

20 kg net in 3-layer Kraft paper bags / 500 kg net in flexible intermediate bulk containers (FIBC) / 1000 kg net in flexible intermediate bulk containers (FIBC)