Prepare for potential price fluctuations. The ethylene glycol and propylene glycol markets are highly volatile. Over the past few years we have seen glycol prices fluctuate seasonally in the spring and the fall. As a major glycol purchaser, Houghton suggests to check in regularly to get up-to-date pricing. Take a look at our SAFE-T-THERM® propylene glycol product line in preparation for the coming Fall season. Website: http://www.houghton.com/heat-transfer-fluids/ Product Information: http://www.houghton.com/docs/Heat Transfer Fluid Product List.pdf