CAS Number: 24937-79-9
Linear Formula: (CH2CF2)n
MDL Number: MFCD00084470
PubChem Substance ID: 24866740
Packaging
100 g in poly bottle
Application
Coatings, film, filter cloth, instrument linings, filtration membranes, pump parts and linings and valves.
Features and Benefits
Crystallizes in at least 3 forms, depending on crystallization conditions. High mechanical strength,abrasion resistance and dielectric strength. Resists most chemicals, UV radiation, weathering and fungi.
Vapor Pressure: 15 mmHg ( 32°C)
Form: beads or pellets
Melt Index: 20-35 g/10 min (230°C/3.8kg)
Mol. Wt.: average Mn ~71,000; average Mw ~180,000 by GPC
Impact Strength: 2-4 ft-lb/in. (Izod, ASTM D 256)
Dielectric Constant: 8.0-9.5, 100 Hz (ASTM D 150)
Hardness: 76-80 (Shore D, ASTM D 2240)
Refractive Index: n20/D 1.42
ASTM D 3835: 6,000-7,500 poise(230°C)(100 sec-1)(lit.)
Transition Temp.: brittleness temperature -62°C (ASTM D 746); Tm 155-165 °C
Solubility: some polar solvents such as organic esters and amines: soluble
Density: 1.78 g/mL at 25°C