ASF-121 FR

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ASF-121 FR(made with Teflon™PTFE)

ASF-121 FR(made with Teflon™PTFE)

Adhesive tape processed with one side fluoroplastic (PTFE) film and applied a silicone adhesive. Light gray in color as the surface treatment method is different from the ASF-110.

→ "FR" notation

Teflon™ is a trademark of The Chemours Company FC, LLC used under license by Chukoh Chemical industries,LTD.


●Using releacing property for heat seal machine, fusing machine, and vacuum packaging machine
●Enables masking, sliding promotion under high temperature and chemical atmosphere
●Electric insulation covering at high temperature

Operating temperature limit

-60°C to +200°C


ASF-121FR Structure


●Low shrinkage at high temperature and excellent surface smoothness.
●The surface of the tape has excellent anti-adhesion qualities as well as release property, chemical resistivity, and water-repellent property.
●Excellent electric insulation and dimensional stability.
●Meets UL510 standard.

General dimensions table

General thickness (mm) Width(mm) Length(m)
Normal stock
0.08 13, 19, 25, 38, 50 10

*For the sizes other than the ones mentioned above, discuss separately.

General traits table

Product numbe General thickness (mm) Adhesive strength (N/25mm) Tensile strength (N/25mm) Elongation(%) Dielectric strength voltage(kV) Maximum operating temperature (°C)
ASF-121 FR 0.08 6.6 96 156 9 200
0.13 8.6 160 240 13
0.18 10.3 250 210 16
0.23 10.2 300 220 18

*The characteristic values given in the table are the measured values, and not the standards.