Crawford's Vynal Spackling PasteCrawfords Spackling Paste is a multi purpose Premixed, ready to use vinyl resin based patching compound for many interior and exterior applications. Crawfords contains no mercury, asbestos, asbestos like fibers, tin, formaldehyde, heavy metal biocides or fungicides. Crawfords is also non toxic when used as directed and hypoallergenic to the majority of the population.