Most common sealing film used in laboratories. Manufactured from polioefin and paraffin mixture. Guarantees excellent chemical to salt, inorganic and alkaline solutions up to 48 hours and offers temperature resistance between -40°C / +50°C. Stretches and widens up 200% of original length. Clings around flask necks circumference and seal irregular perimeters of flasks, erlenmeyers, bottles, beakers etc. with leak-proof tightness. Also prevents breakage risk of flask neck and spillage of flask contents in case of a tilt over.
