agent
background
black
chemical
chemistry
color
colorant
coloring
dye
extrusion
factory
grain
granulate
granules
hdpe
heap
industrial
industry
isolated
lab
laboratory
ldpe
material
molding
pattern
pellets
pet
petrochemical
pigment
plastic
plastic pellets
polyethylene
polymer
polymeric
polymeric dye
polypropylene
polystyrene
pp
production
ps
pvc
raw
regranulate
resin
science
technology
thermoplastic
tinted
white