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Teflon PTFE 7A
Teflon PTFE 7A is a white powder with very small particle size.
Its most unique feature is high bulk density.
The small particle size of Teflon PTFE 7A helps to minimize voids even at relatively low molding pressure.
High bulk density increases the size of moldings possible from a given mold or press opening.
Teflon PTFE 7A is preferred for large moldings, such as billets, requiring optimum mechanical and electrical properties.
It is also used in a mixture with fillers when they are added to modify the mechanical properties of moldings.
Properly processed products made from neat Teflon PTFE 7A provide 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.
Molded products have moderate stiffness and high ultimate elongation.
Average Bulk Density, g/L: 460
Average Mold Shrinkage at preform pressure of 35 MPa(5,000 psi), %: 3.4
Average Particle Size, mm: 34
Standard Specific Gravity: 2.16
Tensile Strength,MPa (psi): 34.5 (5,000)
Industrial field others
DuPont Inc.
Phone 905-821-5193, 800-387-2122
Fax 905-821-5000
Homepage www.dupont.com
E-mail info@DuPont.com
Address PO.Box 2200, Streetsville Postal Station, Mississauga, Ontario, L5M 2H3
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