Reference

Boron Carbide (B4C) Specification:

Index	Unit	Value
Density	g/cm3	≥2.49
Mohs Hardness	H	9.36
Microscopic Hardness	kg/mm2	5400-6300
Bending Strength	Mpa	400
Yang’s Modulus E	Gpa	440
Melting Point	℃	2450
Boron Carbide Content	%	93-98
Boron Content	%	74-81
Cabon Content	%	16-24
Iron Content	%	≤0.20

Download B4C_SPECIFICATION.pdf

SIC SPECIFICATION:

Technical parameter	Unit	RBSiC	SSiC
Hardness	HS	≥110	≥115
Porosity Rate	%	<0.3	<0.2
Density	g/cm2	3.00-3.05	>3.10
Compressive Strength	Mpa	>2200	>2500
Fractural Strength	Mpa	>350	>380
Coefficient of Expansion	10/℃	4	4.2
Content of SiC	%	≥90	≥98
Free Si	%	≤10	≤1
Elastic Modulus	Gpa	≥400	≥410
Max Temperature	℃	1300	1400

SIC_SPECIFICATION.pdf