background
blue
chemical
chemistry
color
colorant
colorful
coloring
dye
extrusion
factory
flask
grain
granulate
granule
granules
green
heap
industrial
industry
injection
isolated
lab
laboratory
material
molding
multicolored
particle
pellets
pet
petrochemical
pigment
plastic
polyethylene
polymer
polymeric
polypropylene
polystyrene
production
raw
recycling
regranulate
research
resin
science
technology
texture
thermoplastic
white
yellow