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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

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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

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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

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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

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Transparent rigid polymer

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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

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Wide temperature range -40°C to +180°C

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Autoclavable at 121°C

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Mechanically strong engineering polymer

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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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