The income tax expense in the second quarter of 2013 was
Loss on sale of discontinued operations, net of tax attributable to
The following is a discussion of the results of our segments for the second quarter ended
Industrial Performance Products
Our Industrial Performance Products segment reported an increase in operating income for the second quarter of 2013, compared with the same quarter of 2012. Sales volume increased due to improved demand for our petroleum additives and certain synthetic lubricant products. Sales volume of our urethane products continued to be effected by weak demand in mining and electronic applications across all regions. Selling price increases, primarily in our petroleum additive products, offset raw material cost changes while manufacturing costs overall remained comparable to the second quarter of 2012. Net sales totaled
$254 millionin the second quarter of 2013, an increase of $19 millioncompared with the same period last year. The increase reflected $15 millionin higher sales volume and $4 millionin higher selling prices. Operating income of $31 millionin the second quarter of 2013, was an increase of $3 millioncompared with last year. Operating income benefited from the higher selling prices and $3 millionin higher sales volume and product mix changes, offset by higher raw material costs of $3 millionand other costs of $1 million.
Industrial Engineered Products
Our Industrial Engineered Products segment reported lower operating income for the second quarter of 2013, primarily the result of lower sales volumes and lower selling prices associated with brominated flame retardants used to support insulation foam and electronic applications compared to the second quarter of 2012. Some of this weakness was offset by stronger demand from oilfield and other industrial applications coupled with an increase in the sales volume of organometallics products such as those based on tin and those used in polyolefin polymerization catalysts. While selling prices during the quarter for