PRODUCT SPECIFICATIONS

IPI PRODUCT SPECIFICATION

CALCIUM SILICIDE

Chemical formula: CaSi₂
CAS no: 12013-56-8
UN no: 1405
Specification: MIL-C-324C (dated August 30, 1983).

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IPI Specification No: 10203

CALCIUM SILICIDE

Properties	Units	Values		Test Method
		Min	Max
Moisture	%	–	0.1	4.2.4.1
Silicon (as Si)	%	60.0	–	4.2.4.2
Calcium (as Ca)	%	30.0	–	4.2.4.4
Iron (as Fe)	%	–	3.8	4.2.4.3
Metallic iron (as Fe)	%	–	–	4.2.4.6
Total silicon, calcium, and iron (as Si, Ca, and Fe)	%	–	–	4.2.4.5
Alkalinity (as CaO)	%	–	–	4.2.4.7
Carbides and phosphides	cm3/10g	–	–	4.2.4.9
Free carbon	%	–	–	4.2.4.8
Sieving:
– Retained on a 150µm sieve	%	–	1	4.2.4.10
– Passing on a 150µm sieve	%	–	–	4.2.4.10
– Retained on a 106µm sieve	%	–	1	4.2.4.10
– Retained on a 75µm sieve	%	6	12	4.2.4.10
– Passing on a 63µm sieve	%	–	–	4.2.4.10
– Retained on a 45µm sieve	%	25	50	4.2.4.10
– Passing on a 45 µm sieve	%	40	65	4.2.4.10

Island Pyrochemical Industries provides this product specification sheet solely for informational purposes, and reserves the right to change product specifications without prior notification.