plasticizer is added to plastic to change the ____ properties and makes materials _____ to process
natural.
easier.
filler is added to replace _____. it _____ it out and _____ cost.
polymer.
bulks.
reduces.
stabilizers stop ____ over time. can be used to ____ the effects of __ light.
deteriorating.
reduce.
UV.
bio batch is an ____ to make and thermo polymers _____ in less than _ years. this makes the cost _____.
additive.
biodegradable.
5.
increase.