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FEP concentrated dispersion, copolymerized by tetrafluoroethylene and hexafluoropropylene, is stable in aqueous solution or in granular form. It is milky white or light yellow, and the products from it features excellent temperature durability, corrosion resistance, prominent chemical inertness, extraordinary electric insulation, and low friction coefficient, and can be used secularly under 200℃. Besides, FEP offers low temperature flexibility and unique flame retardance. It can be applied to coatings, plastic melt extrusion, dip lye, and spray painting.
SF-221 is a copolymer of tetrafluoroethylene (TFE) and hexafluoropropylene (HFP). It is a non-ionic surfactant stabilized aqueous dispersion. SF-221 has excellent temperature resistance, corrosion resistance, outstanding chemical inertia, excellent electrical insulation and low friction coefficient and can be used for a long time at 200℃. It can be applied to impregnation and spray processing.
Item | Unit | SF-221 | Standard |
Appearance | / | Milky white or lightly yellow dispersion | / |
Solid Content | % | 50-52 | ISO 12086 |
Surfactant Content | % | 4-6 | / |
PH Value | / | 8-9 | ISO 976 |
The product should be shaken or stirred once a week to prevent precipitation, shelf life is one year.
The product is transported in accordance with non-dangerous goods, should be avoided severe vibration and kept at a temperature of 5℃-35℃.
The packaging weight: 25kg, 1250kg.
