That can be chemically degraded: degradable plastic wastes. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "degradable" in a sentence
"(It's really just pretty much bleach/paint in degradable sponge form.)"
"Short-term degradable erosion control blankets consisting of an evenly distributed layer of 100% agricultural straw stitched to a single or double netting structure can be used to provide erosion control and assist with vegetation establishment for up to 12 months on RMSs."
"First, the Deepwater Horizon oil, unlike the black glop from the Valdez, is comparatively light and degradable, which is why the slick in the Gulf is dissolving surprisingly rapidly now that the gusher has been capped."