Black Silicon Carbide

Black_silicon_carbide1 It is used to grind cast iron, non-ferrous metals rubber, leather, plastic, wood, mineral rocks, etc. It can also be used to manufacture high-class refractory products.

Black silicon carbide is suitalbe for grinding cast iron、non-ferrous metal、leather、rubber、wood、rock,it also be used as high grade refractory material.

Reference chemical composition(%)
Chemical composition(%)
Chemical Properties (GB/T 2480-1996)
Grain Types

Type	Reference chemical composition(%)
Type	SiC	F.C.	Fe₂O₃	Size(mm)
TN98	≥98.00	<1.00	<0.50	50-0
TN97	≥97.00	<1.50	<0.80	13-0
TN95	≥95.00	<2.50	<1.00	10-0
TN90	≥90.00	<3.00	<2.50	2-0
TN88	≥88.00	<3.50	<3.00	0.5-0
TN85	≥85.00	<5.00	<3.50	100F
TN60	≥60.00	<12.00	<3.50	200F
TN50	≥50.00	<15.00	<3.50	325F

Grit	SiC	F.C	Fe₂O₃
F12-F90	≥98.50	<0.20	≤0.60
F100-F150	≥98.00	<0.30	≤0.80
F180-F220	≥97.00	<0.30	≤1.20
F230-F400	≥96.00	<0.40	≤1.20
F500-F800	≥95.00	<0.40	≤1.20
F1000-F1200	≥93.00	<0.50	≤1.20
P12-P90	≥98.50	<0.20	≤0.60
P100-P150	≥98.00	<0.30	≤0.80
P180-P220	≥97.00	<0.30	≤1.20
P230-P500	≥96.00	<0.40	≤1.20
P600-P1500	≥95.00	<0.40	≤1.20
P2000-P2500	≥93.00	<0.50	≤1.20

Chemical Composition (GB/T 2480-1996)
Type & Grade	Grit Size	Chemical composition (%, by weight)
Type & Grade	Grit Size	Sic	F.C	Fe₂O₃
C	F12～F90	≥98.50	≤0.20	≤0.60
	F100～F150	≥98.00	≤0.30	≤0.80
	F180～F220	≥97.00	≤0.30	≤1.20
	P12～P100	≥98.50	≤0.20	≤0.60
	P120～P150	≥98.00	≤0.30	≤0.80
	P180～P220	≥97.00	≤0.30	≤1.20
C-B	F12～F90	≥98.00	≤0.25	≤0.70
F100～F150	≥97.50	≤0.35	≤0.90
F180～F220	≥96.00	≤0.35	≤1.35
C-P	P12～P100	≥98.00	≤0.25	≤0.70
P120～P150	≥97.50	≤0.35	≤0.90
P180～P220	≥96.00	≤0.35	≤1.35

Usage	For vitrified wheels & belts	For organic wheels	For sheets
Type & Grade	C	C-B	C-P

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