background
black
blue
chemical
chemistry
color
colorant
colorful
coloring
dye
element
factory
flask
grain
grained
granulate
granule
granules
green
heap
industrial
industry
injection
isolated
lab
laboratory
material
molding
multi colored
particle
pattern
pellets
pet
petrochemical
pigment
plastic
polyethylene
polymer
polymeric
polypropylene
production
raw
recycling
research
resin
technology
texture
thermoplastic
tinted
yellow