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Physical properties and chemical resistance of plastics
Polypropylene, PP
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Translucent rigid polymer
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Temperature range -20 to +135ºC
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Autoclavable at 121ºC
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Good to excellent chemical resistance
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Resistant to fatigue making it tough
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Typically used for beakers, bottles and cylinders
Low Density Polyethylene, LDPE
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Translucent flexible polymer
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Narrow temperature range of -50 to +80ºC
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Not autoclavable at 121ºC
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Good to excellent chemical resistance
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Robust and virtually unbreakable
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Typically used for wash bottles
High Density Polyethylene, HDPE
l
Translucent rigid polymer
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Broad temperature range of -100 to +120ºC
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Not autoclavable at 121ºC
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Good to excellent chemical resistance
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High tensile strength making it very tough
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Typically used for bottles
Polymethylpentene, PMP (TPX)
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Transparent rigid polymer
l
Broad temperature range -180 to +145ºC
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Autoclavable at 121ºC
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Good to excellent chemical resistance
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Has a low density and a high clarity
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Typically used for beakers and cylinders
Polycarbonate, PC
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Transparent rigid polymer
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Broad temperature range -135 to +135ºC
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Autoclavable at 121ºC
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Moderate chemical resistance
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High impact strength
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Typically used for safety shields
Polytetrafluoroethylene, PTFE
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Opaque rigid polymer
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Wide temperature range –200 to +260ºC
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Autoclavable at 121ºC
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Unrivalled resistance to almost all chemicals
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Extremely low friction coefficient
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Typically used for bottles, beakers and stirrers
Polymethylmethacrylate, Acrylic (PMMA)
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Transparent rigid polymer
l
Narrow temperature range -60 to +50ºC
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Not autoclavable at 121ºC
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Moderate chemical resistance
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Very tough and high clarity
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Typically used for radiation shields
Polystyrene, PS
l
Transparent rigid polymer
l
Narrow temperature range -40 to +90ºC
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Not autoclavable at 121ºC
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Moderate chemical resistance
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Brittle yet has excellent clarity
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Typically used for container ware
Polyvinylchloride, PVC
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Rigid polymer
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Narrow temperature range -25 to +70ºC
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Not autoclavable at 121ºC
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Moderate chemical resistance
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Rigid or flexible, coloured or clear
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Typically used for trays and troughs
Polybutylene terephthalate, PBT
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Opaque rigid polymer
l
Wide temperature range -40°C to +180°C
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Autoclavable at 121°C
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Mechanically strong engineering polymer
l
Good resistance to chemicals
l
Typically used for screw caps and connectors
Moderate resistance to common aqueous laboratory chemicals,
but avoid organic solvents, strong acids and bases
Good general resistance to a range of laboratory chemicals
including acids, bases and some solvents
Excellent resistance to most laboratory chemicals
Can be subjected to autoclaving at 121ºC without damage to
the polymer.
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These icons provide a quick guide as to the chemical resistance of the polymers and can be found throughout the catalogue where appropriate.
Please note - where no resistance icon is shown, this product is made from several materials. In this instance please refer to the chemical resistance/
physical properties chart for each polymer.
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