Solvent polyether sulfonic fluorine non-stick coating for kitchen cookware

Solvent polyether sulfonic fluorine non-stick coating for kitchen cookware

     Case Inspected

       Achievement

       Method of Testing

Exterior of   original coatings

Thick and   sticky liquid

Eye measurement

Exterior   of the film of coatings

Even,   smooth and without apparent traces of bumps,   holes, raised grains, change of colour and scraping

Eye measurement      

Adhesiveness

No coming off of the film of coatings

Wash twice in an opposite direction with 50KG, scrape the film surface with a knife, then scrape downward at the crevice with fingernail but no apparent coming off resulted

Hardness

        ≥2H

Pencil   with 2H hardness

Resistance   to acid

No coming   off of the film of coatings

Boiling it   in reagent hydrochloric aid solution (with 12% volume fraction) for 15   minutes

Resistance   to boiling water

No coming   off of the film of coatings

Testing   adhesiveness after boiling the water for 100 hours

Anticorrosion  

No coming   off of the film of coatings

Boiling it   for 100 hours in salt solution (with 5% volume fraction) whose temperature is elevated to over 90℃

Anti-adhesiveness     

Good

Do not stick   with inner pot when cooking rice.

(Cooking rice   heated to 105° C for 10 minutes,it can be poured out in once witout stick   with the inner pot )

Resistance   to heat       

No coming   off of the film of coatings

The sample   is placed in an oven with a temperature of 260℃ where it remains for 100   hours. Then, after cooling, it is taken out under normal temperature for   examination.  

Abrasion   resistance

(Testers are cookers with R bottem pots)

≥500 times but no   evident piercing of the film to be found (not more than 2 grindings   within 1mm.)

Testing   3KG product with a coatings abrasion resistance instrument (repeated once)

Abrasion   resistance

(Testers are flat boards.)

≥1000times   but no evident piercing of the film to be found(not more than 2 grindings   within 1mm.)

Testing   3KG product with a coatings abrasion resistance instrument (repeated once)

Hygienic   target

China   National Foodstuffs Inspection   Standard

Conforming   to ROHS,FDA,LFGB,REACH Attested by China National   Foodstuffs Inspection Standard

resistant to lysis index

no fall off, no color overflow

with NMP for 30 minutes