Hydrating kraft pulp to 78-84 degrees Schopper-Riegler via low specific edge load refining eliminates paper porosity to achieve grease resistance without chemical additives.
Optimize mechanical greaseproof paper selection by specifying 80-88 SR refining and 15000+ s Gurley porosity to secure non-PFAS grease resistance.
Verify mill test certificates against ISO 2859 sampling on arrival; static swatches omit deckle variance, transit moisture creep, and food migration risks.
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