PRODUCT SPECIFICATIONS

IPI PRODUCT SPECIFICATION

ZIRCONIUM POWDER

Molecular formula: Zr
CAS No: 7440-67-7
UN No: 1358
Specification: MIL-Z-399D type II class 2 (dated October 1 1971) and MIL-Z-399D amendment 1 (dated April 5 1973)

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IPI Specification No: 10128

ZIRCONIUM POWDER

Properties	Units	Values		Test Methods
		Min	Max
Total Zirconium	%	95.0	–	4.3.4
Calcium	%	–	0.05	4.3.5
Iron	%	–	0.03	4.3.6
Aluminum	%	–	0.15	4.3.7
Hydrogen	%	–	0.20	4.3.8
Ignition gain	%	30.2	33.0	4.3.12
Particle size requirements:
Sieve:
– Through U.S. sieve no. 120 (125µ)	%	100	–	4.3.3.2
– Through U.S. sieve no. 200 (74µ)	%	99	–	4.3.3.2
– Through Buckbee Mears sieve no. 26 (20µ)	%	96	–	4.3.3.2
Subsieve:
– Less than 9µ	%	85	–	4.3.3.2
– 3µ	%	70	90	4.3.3.2
– 0.75µ	%	12	30	4.3.3.2
Average particle size	µ	1.7	2.3	4.3.3.2

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