Sell Parafilm BEMIS M (1ft.) Laboratory / Grafting Film Gardening Chemicals Glassware Food Drinks best price

Item Model Number: PM-996 Country Of Origin: USA FEATURES: ✅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. ✅Reduce the risk of tampered data with a covering that is odor-less, color-less and semi-transparent. ✅Prevents moisture and volume loss due to material composition and tight seal. ✅Flexible and self-sealing material allows it to cling around irregular shapes and surfaces ✅Stretches more than 200% of original length ✅Resistant up to 48 hours against many polar substances such as saline solutions, inorganic acids and alkaline solutions Technical Specification: ⭐ 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 ⭐ 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 colour Effects in each solution: ⚫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)