1) white surface,uniform texture, no visible impurities, no color difference.
(2) cleanliness: 15 mfilm less than 0.5mm impurities no more than 6.
(3) Tensile strength ≥28Mpa.
(4) Elongation atbreak ≥280%.
(5) Volume density: 500±100g/L.
(6) Average particlesize 180±80 microns.
(7) Moisture content ≤0.04%.
(8) Melting point 327±5℃.
(9) Standard relativedensity 2.13 ~ 2.18.
(10) Thermalinstability index ≤50.
Properties:
(1) Atmospheric agingresistance: radiation resistance and low permeability: long-term exposure tothe atmosphere, the surface and performance remain unchanged.
(2) Incombustibility:the oxygen limit index is below 90.
(3) Acid and alkalineresistance: insoluble in strong acids, bases and organic solvents (includingmonic acid).
(4) Oxidationresistance: can resist the corrosion of strong oxidant.
(5) Acid base:neutral.
Application:Can beused for rod, tube, plate and other materials. Used in machinery, electronics,chemical industry and so on. Recommended for processing tetrafluorin filmproducts.