<http://schema.org/description>
"PPG Industries' Zircobond 4500 pretreatment is a zirconium-based metal pretreatment formulated to pass rigorous appliance-industry tests for corrosion resistance."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pfonline.com/products/pretreatment-for-the-appliance-industry>