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| Teflon PFA 335A |
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Teflon PFA 335A(formerly TE-9946) is a negatively charged, hydrophobic colloid, containing approximately 60%(by total weight) of 0.05 to 0.5 mm perfluoroalkoxy(PFA) resin particles suspended in water.
A milky white liquid, Teflon PFA 335A also contains approximately 5% by weight of a nonionic wetting agent and stabilizer(based on the weight of the PFA solids).
Viscosity at room temperature is approximately 20 cP.
Nominal pH is 10.
Unlike Teflon PTFE dispersions, the resin in Teflon PFA 335A is a true thermoplastic and will exhibit some flow above its melting point.
When properly processed, the PFA resin in Teflon PFA 335A exhibits the superior properties typical of the fluoropolymer resins: retention of properties after service at 260'C(500'F), useful properties at ?40'C(?00'F), chemical inertness to nearly all industrial chemicals and solvents, and low friction and antistick surfaces.
Dielectric properties are outstanding and stable with frequency and temperature. |
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Specific Gravity: 1.5
Average Particle Size, mm: 0.20
pH (min.): 9.5
Viscosity at 25'C(77F), cP(Pa.sec): 20(0.02)
Melt Flow Rate of PFA Solids, g/10 min: 1 ?3
Melting, Peak Temperature,'C('F): 305(581) |
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