Commodities
Polypropylene materials come on different variants, including random copolymer, copolymer, and what?
Homopolymer
What does ABS stand for?
Acrylonitrile Butadiene Styrene
What does LCP stand for?
Liquid crystal[line] polymer
What is a common application for polypropylene materials? (Think unique to PP)
Living hinge
How is transparent ABS made? (What is changed to allow for the transparency?)
What LOI value is considered self-extinguishing and why?
30%+ and because we have on average 22% oxygen in our atmosphere
What is the reason for PE to have different density variations?
The branching off the backbone
Name 2 of the 3 materials we sell that contain BPA?
PC, PSU, and/or PEI
What does FST mean?
Flame, smoke, and toxicity - for aerospace or rail applications
Polystyrene is available in what additional forms?
EPS & SPS
What is critical thickness?
What is the shrinkage of ULTEM 1000?
0.005-0.007 in/in
Iceless skating rinks are made out of what material?
UHMWPE
Name 3 short chain and 2 long chain polyamides
PA 4/6, 6, 6/6
PA 10, 12, 6/10, 6/12
PEEK has 1 solvent at room temperature, what is it?
High concentrated sulfuric acid