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Advance in Organic Polysilazane

Sanfan Sil 5,000 t per year

Series

Fluoro-modified

Low surface energy, anti-fingerprint

Grades
6
Cure
Heat, 150–200 °C

Fluorine in the backbone lowers the surface energy well below what the unmodified grades reach, so water and oils do not wet the film and fingerprints do not cling. Six grades differ in how much fluorine they carry, from lightly modified to heavily fluorinated. Cured in an oven only.

Grades in this series

Grade Viscosity Pencil hardness Contact angle Heat resistance Ceramizable
SF-NF4401 100–105° Not stated
SF-NF4402 103–105° Not stated
SF-NF4403 105–110° Not stated
SF-NF4404 105–110° Not stated
SF-NF4405 105–110° Not stated
SF-NF4406 105–110° Not stated

All figures measured on 304 stainless steel, spin-coated to a 4 µm film and air dried.

How to choose inside this series

Start from the lightest grade that meets the contact angle you need: more fluorine costs more and buys surface energy you may not require.

Next step

Test the material on your own substrate