abstract
additive
background
chemical
chemistry
closeup
coloring
compound
compounding
dye
grain
grained
granulate
granule
granules
heap
industry
laboratory
material
modifier
molding
paint
particle
pattern
pellets
pigment
plastic
polyethylene
polymer
polypropylene
polystyrene
production
raw
recycling
red
research
resin
substance
synthetic
technology
texture
thermoplastic