Polymers

Thermoplastic Polymers

Material name or type	Cost (£), weight(kg) and size (mm^3or mm^2)	Image	H&E + other regulations	The properties that it has.	References
PE(HDPE)High-Density Polyethene	-small sheet = £31.30 per sheet -medium sheet = £125.20 per sheet -large sheet = £136.22 per sheet -Small sheet 300×300×12 mm(1.03kg) -Medium sheet 600 × 600 × 12 mm(4.10kg) -Large sheet 1000 × 2000 × 12 mm(32.83kg) -density 0.95g/cm^3		-PUWER -COSHH -Supply of Machinery (Safety) Regulations 2008 = CE or UKCA Markings	- High tensile strength - high ductility -thermoplastic polymer - Excellent to low-level chemicals -Recyclable	(plasticsheetsshop(HDPE), n.d.)
PEEK(Polyether Ether Ketone)	-Small sheet = £525 -Medium sheet = £2090 -Large sheet = £11630 -Small sheet 300×300×12 mm(1.54kg) -Medium sheet 600 × 600 × 12 mm(6.18kg) -Large sheet 1000 × 2000 × 12 mm(34.32kg) -density(1.43g/cm^3)		-PUWER -COSHH -Supply of Machinery (Safety) Regulations 2008 = CE or UKCA Markings	-high-performance semi-crystalline thermoplastic polymer -Great for high-demanding engineering -High resistance to mechanical, thermal and chemical resistance -Recyclable	(Plastock.(PEEK), n.d.)
PVC	-Small sheet = £18.72 -Medium sheet = £74.89 -Large sheet = £416.09 -Small sheet 300×300×12 mm(1.512kg) -Medium sheet 600 × 600 × 12 mm(6.05kg) -Large sheet 1000 × 2000 × 12 mm(33.60kg) -density(1.40g/cm^3)		-PUWER -COSHH -Supply of Machinery (Safety) Regulations 2008 = CE or UKCA Markings	-It has good machinability -has excellent chemical resistance -Recyclable -thermoplastic polymer	(Plastic.sheets.shop(PVC), n.d.)
PP(Polypropylene)	-Small sheet = £14.58 -Medium sheet = £58.34 -Large sheet = £324.12 -Small sheet 300×300×12 mm(0.975kg) -Medium sheet 600 × 600 × 12 mm(3.9kg) -Large sheet 1000 × 2000 × 12 mm(21.67kg) -density(0.903g/cm^3)		-PUWER -COSHH -Supply of Machinery (Safety) Regulations 2008 = CE or UKCA Markings	-Extremely high chemical resistance -high sustainability -impermeable to water vapour	(cut.plastic.sheeting(PP), n.d.)

Thermosetting Polymers

Material name or type	Cost (£), weight(kg) and size (mm^3or mm^2)	Image	H&E + other regulations	The properties that it has.	References
Silicone rubber	Cost £14.06 per kg Size can vary Density 1.05 g/cm³		-PUWER -COSHH -Waste regulations	-Flexibly -high temperature during the curing stage	(easycomposites.silicone, n.d.)
Epoxy resins	Cost £13.26 per kg Density 1.15 g/cm³		-PUWER -COSHH -Waste regulations	-high strength -chemical resistance -excellent adhesion	(easy.composites.Expoxy , n.d.)
Phenolic Resins	Cost £26.40 per kg Density 1.25 g/cm³		-PUWER -COSHH -Waste regulations	-flame retardant -heat resistant	(scosarg, n.d.)
Unsaturated Polyester Resins (UPR)	Cost per kg £13.50 Density 1.10 g/cm³		-PUWER -COSHH -Waste regulations	- good mechanical strength -low cost -easy to mould	(ebay, n.d.)

Elastomers