Sell Parafilm M (1 ft = 12") Laboratory / Grafting Film best price

Item Model Number: PM-996 Country Of Origin: USA FEATURES: 1. Protect the integrity of research applications with a tight moisture-barrier that holds a strong seal and doesn’t release from glassware, despite off-gassing. 2. Reduce the risk of tampered data with a covering that is odor-less, color-less and semi-transparent. 3. Prevents moisture and volume loss due to material composition and tight seal. 4. Flexible and self-sealing material allows it to cling around irregular shapes and surfaces 5. Stretches more than 200% of original length 6. Resistant up to 48 hours against many polar substances such as saline solutions, inorganic acids and alkaline solutions Techical Information: 1. Permeability Oxygen: (ASTM 1927-98) 150 cc/m² d at 23°C and 50% RH Carbon Dioxide: (Modulated IR Method) 1200 cc/m² d at 23°C and 0% RH Water Vapor: (ASTM F1249-01) Flat: 1 g/m² d at 38°C and 90% RH Creased: 1 g/m² d at 38°C and 90% RH 2. Effects of Common Reagents Potassium Permanganate 5%: No apparent effect except permanent dark brown coloration in 18 hours 0.1%: Same as 5% except slightly less color Iodine solution (0.1N) No effect except staining brown in 18 hours Ethyl Alcohol (95%) No apparent effect except some face whitening in 24 hours No apparent effect in 24 hours: Hydrochloric Acid conc. (12N)dil. (5n) Sulphuric Acid conc. (36n) dil. (5n) Nitric Acid conc. (16n) dil. (5n) Sodium Hydroxide conc. (22%) Ammonium Hydroxide conc. (28% NH3) Salt (NACL) solution (20%) Isopropyl Alcohol (99%) Not recommended for use with chlorinated, non-polar aliphatic and aromatic solvents Film becomes soft and sticky at about 130°F to 150°F (68°C)