Dimensions : ( 38 m × 10 cm , 75 m × 5 cm , 75 m × 10 cm )
- BRAND : MARIENFELD ( Germany )
* Physical properties :
- Gas permeability in 24 hours
at 23 °C with 50 %
relative humidity:
Oxygen O2 ≤ 350 cm3/m2
- Nitrogen N2: ≤ 105 cm3/m2
Carbon Dioxide CO2: ≤ 1100 cm3/m2
- Parafilm® M can be
stored for at least 3
years at a temperature
between 7 °C and 32
°C and relative
humidity of 50 %.
- Stretchability: 200 %
Elongation at tear: 300 %
* Chemical resistant :
- Acids:
Hydrochloric acid 36.5 %: resistant
Sulphuric acid 98 %: resistant
Nitric acid 95 %: resistant
- Alkaline solutions:
Sodium hydroxide 22 %: resistant
Ammonia 28 %: resistant
- Organic solvents:
Methanol: resistant
Ethanol: resistant
Isopropanol: resistant
Diethylether: not resistant
Chloroform: not resistant
Carbon tetrachloride: not resistant
Benzene: not resistant
Toluene: not resistant
المراجعات
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