<http://schema.org/description>
"&amp;nbsp;Processors of rigid PVC pipe, window profiles, siding, fencing, and doors can save money and speed compound mixing by using a new grade of white mineral oil as an external lubricant in place of the usual paraffin wax."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ptonline.com/articles/white-mineral-oil-a-new-way-to-lubricate-rigid-pvc>