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Labware
→ Plastic labware
→ Agreed notations
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Characteristics of materials used for plastic labware production
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Abbreviation
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Material
|
Brittleness temperature, °С
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Maximum temperature, °С
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Microwave resistance*
|
Density, g/cm³
|
|
ECTFE
|
Ethylene Chlorotrifluoroethylene
|
- 105
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+ 150
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+
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1,70
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ETFE
|
Ethylene Tetrafluoroethylene
|
- 100
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+ 150
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+
|
1,70
|
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FEP
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Fluorinated Ethylene Propylene
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- 270
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+ 205
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+
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2,15
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MF
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Melamine
|
- 80
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+ 120
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+
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1,50
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NR
|
Natural Rubber
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- 40
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+ 80
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-
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1,20
|
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PA
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Polyamide (PA6)
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- 40
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+ 100
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+
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1,14
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PC
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Polycarbonate
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- 130
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+ 125
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+
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1,20
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PE-HD
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High Density Polyethylene
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- 50
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+ 105
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+
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0,95
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PE-LD
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Low Density Polyethylene
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- 50
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+ 80
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+
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0,92
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PFA
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Perfluoroalkoxy copolymer
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- 270
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+ 260
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+
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2,15
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PMMA
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Polymethylmethacrylate
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- 40
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+ 85
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-
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1,19
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PMP (TPX®)
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Polymethylpentene
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0
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+ 150
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+
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0,83
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POM
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Polyoxymethylene
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- 40
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+ 130
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-
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1,42
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PP
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Polypropylene
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- 10
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+ 120
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+
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0,90
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PS
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Polypropylene
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- 20
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+ 70
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-
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1,05
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PTFE
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Polytetrafluoroethylene
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- 200
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+ 260
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+
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2,17
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PVC
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Vinyl chloride polymers
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- 20
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+ 80
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-
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1,35
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PVDF
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Polyvinylidene Fluoride
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- 40
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+ 105
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-
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1,78
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SAN
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Styrene Acrylonitrile
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- 40
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+ 70
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-
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1,03
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SI
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Silicone rubber
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- 50
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+ 180
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-
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1,03
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*Take into consideration the temperature range and chemical resistance of material.
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Sterilazation posibilities of materials used for plastic labware production
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Material
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Autoclaving at 121°С, te 20 min.
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Hot air 160°С (dry)
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Gas (ethylene oxide)
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Chemicals (formalin, ethanol)
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Gamma rays, 25 kGy
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ECTFE
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+
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-
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+
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+
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-
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ETFE
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+
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-
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+
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+
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-
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FEP
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+
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+
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+
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+
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-
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MF
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-
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-
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+
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-
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-
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NR
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-
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-
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+
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-
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+
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PA
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-
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+
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-
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+
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+
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PC
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-
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-
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+
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+
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+
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PE-HD
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-
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-
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+
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+
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+
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PE-LD
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-
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-
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+
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+
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+
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PFA
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+
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+
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+
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+
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-
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PMMA
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-
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+
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-
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+
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+
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PMP (TPX®)
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+
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-
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+
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+
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+
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POM
|
+1
|
-
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+
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+
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±
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PP
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+
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-
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+
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+
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±
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PS
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-
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-
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-
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+
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+
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PTFE
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+
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+
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+
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+
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-
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PVC
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-
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-
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+
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+
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-
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PVDF
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+
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+
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+
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+
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-
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SAN
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-
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-
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+
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+
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-
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SI
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+
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+
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+
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+
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-
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+ possible; ± possible over the limited range; - not possible.
1 - frequent sterilization by steam leads to loss of mechanical strength.
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