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Parafilm ( Marienfeld / ألماني )

نطاق السعر: من ⁦1.760 EGP⁩ خلال ⁦3.460 EGP⁩

No matter whether you wish to seal beakers, Erlenmeyer flasks, weighing bottles or graduated cylinders, the highly elastic and stretchable Parafilm® M laboratory film fits the opening of any vessel. It saves specimens from contamination or evaporating. Furthermore, it prevents fallen over flasks from spilling. Parafilm® M stretches up to 200 % of its original size and clings even around irregular shapes and surfaces.

Dimensions

إزالة

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رمز المنتج: غير محدد التصنيفات: مستلزمات معمل, مستلزمات معمل

سياسة الاسترجاع والاسترداد

ضمان استرجاع الأموال بدون مخاطر!
استرجاع الأموال بسهولة
عمليات دفع آمنة

الوصف

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

معلومات إضافية

Dimensions	38 m × 10 cm, 75 m × 5 cm, 75 m × 10 cm

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