No more spilling, evaporation, and contamination! Seal-R-film™ sealing film seals beakers, flasks, and other vessels. The sealing film can be stretched to three times its original length. This means that Seal-R-film™ always fits, even with irregular shapes. For traceability, each roll has a lot identification.
Properties:
Thickness: 0.14 ± 0.02mm
Toxicity: non-toxic
Melting point: ﹥66°C (151°F)
Boiling point: ﹥288°C (550°F)
Continuous service temperature: –20 to 46°C
Elasticity (25°C): 300%
Tear strength (25°C): 1.5 MPa
Gas permeability in 24h at room temperature and a pressure of 0.1 MPa:
CO2: 1000cm3/m2
O2: ﹤350cm3/m2
Water vapor permeability: ﹤0.8g/m2
Chemical resistance:
Hydrochloric acid (HCL) 36.5% - resistant
Sulfuric acid (H2SO4) 98% - resistant
Nitric acid (HNO3) 95% - resistant*
Hydrogen peroxide (H2O2) 30% - resistant
Sodium hydroxide (NaOH) 22% - resistant
Ammonia (NH3) 28% - resistant
Sodium chloride (NaCl) 20% - resistant
Potassium permanganate (KMnO4) 5% - resistant*
Iodine solution 0.1 mol/l - resistant*
Methanol - resistant
Ethanol - resistant
Isopropanol - resistant
* Brown coloration