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Forensics > Polymers > Flashcards

Polymers Flashcards

1
Q
  • Polymerizes by addition
  • YELLOW flame with BLACK smoke
  • Sinks in water
  • Floats in 10-15% NaCl (~1.11g/ml)
  • Density: 1.05g/ml
A

PS/Polystyrene

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2
Q
  • Polymerizes by addition
  • BLUE/YELLOW flame with WHITE smoke
  • Floats in vegetable oil (0.91g/ml)
  • Density: 0.9g/ml
A

PP/Polypropylene

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3
Q
  • Polymerizes by addition
  • YELLOW/GREEN flame with BLACK smoke
  • Sinks in brine (1.23g/ml)
  • Density: 1.38g/ml
A

PVC/Polyvinyl Chloride

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4
Q
  • Polymerizes by addition
  • BLUE/YELLOW flame with WHITE smoke
  • Floats in water and alcohol
  • Sinks in vegetable oil (0.91g/ml)
  • Density: 0.92g/ml
A

LDPE/Low-Density Polyethylene

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5
Q
  • Polymerizes by addition
  • BLUE/YELLOW flame with WHITE smoke
  • Floats in water
  • Sinks in alcohol (0.93g/ml)
  • Density: 0.95g/ml
A

HDPE/High-Density Polyethylene

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6
Q
  • Polymerizes by condensation
  • ORANGE flame with BLACK smoke
  • Sinks in water
  • Floats in brine (1.23g/ml)
  • Density: 1.2g/ml
A

PC/Polycarbonate

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7
Q
  • Polymerizes by condensation
  • YELLOW flame with WHITE smoke
  • Sinks in water
  • Sinks in brine (1.23g/ml)
  • Density: 1.27g/ml
A

PETE/Polyethylene Terephthalate

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8
Q
  • Polymerizes by addition
  • BLUE/YELLOW flame with NO smoke
  • Sinks in water
  • Floats in 25% NaCl (1.17g/ml)
  • Density: 1.16g/ml
A

PMMA/Polymethyl Methacrylate

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9
Q
  • Styrofoam tableware
  • Coffee cups
  • Insulation
  • Plastic forks
  • Packing peanuts
A

PS/Polystyrene

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10
Q
  • Food containers
  • Medicine containers
  • Automobile batteries
  • Carpet, rope
  • Plastic wrap
  • Ziploc bags
  • Tupperware
A

PP/Polypropylene

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11
Q
  • Food packaging
  • Shampoo containers
  • Construction
  • Tiles
  • Credit cards
  • Water pipes/plumbing
  • Records (rigid and flexible plastics)
A

PVC/Polyvinyl Chloride

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12
Q
  • Bags/Grocery bags
  • Plastic wrap
  • Condiment bottles
  • Packaging foam
  • Six pack rings
A

LDPE/Low-Density Polyethylene

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13
Q
  • 3d-Printing
  • Food containers
  • Flower pots
  • Toys
  • Milk jugs
A

HDPE/High-Density Polyethylene

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14
Q
  • Shatterproof glass
  • Eyeglass lenses
  • Safety goggles
  • Plastic phone cases
  • CDs + DVDs
A

PC/Polycarbonate

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15
Q
  • Soft drink bottles
  • Scouring pads
  • Mylar
  • Microwaveable plastics
A

PETE/Polyethylene Terephthalate

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16
Q
  • Plexiglass/glass substitute
  • Ice rink barriers/basketball backboards
  • Acrylic glass
  • Resin casting
  • Contact lenses
  • Acrylic paint
A

PMMA/Polymethyl Methacrylate

Forensics (4 decks)

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