Paper Sizing Waterproof Wax is a functional wax auxiliary for paper‑making sizing treatment. It can be applied for surface sizing or incorporated into pulp. After processing, the wax forms a uniform hydrophobic barrier within paper fiber networks. It inhibits rapid water penetration, enhances water‑repellent property of finished paper, and satisfies production requirements for waterproof packaging paper and specialty industrial paper.
Product Overview Paper Sizing Waterproof Wax is specially developed wax‑based sizing auxiliary for water‑repellent paper manufacturing. It is suitable for surface sizing on paper machine or internal addition into wet‑end pulp slurry. When distributed among cellulose fibers, the wax coats fiber surfaces to construct continuous hydrophobic barriers inside the paper sheet. This barrier slows down water penetration and capillary wicking, delivering stable water‑repellent performance for finished paper. The wax exhibits good compatibility with common papermaking chemicals. It adapts to continuous paper‑making production for waterproof packaging paper, heavy‑duty wrapping paper and various functional specialty paper products.
Key Features ‑ Delivers hydrophobic effect either by wet‑end internal addition or surface sizing application ‑ Forms water‑repellent barrier on cellulose fiber to restrain capillary water absorption ‑ Good compatibility with common papermaking fillers and auxiliary chemicals ‑ Maintains stable sizing efficiency under normal papermaking processing temperature ‑ Improves moisture resistance of finished industrial and packaging‑grade paper
Typical Technical Properties ‑ Chemical Type: Modified hydrocarbon‑based papermaking sizing wax ‑ Appearance: Off‑white to pale beige pastilles or flakes ‑ Melting Range: Refer to TDS ‑ Sizing Efficiency: Refer to TDS ‑ Ash Content: Refer to TDS
Applications ‑ Waterproof packaging paper: Sizing treatment for moisture‑resistant wrapping paper ‑ Industrial specialty paper: Hydrophobic modification for functional technical paper ‑ Heavy‑duty wrapping paper: Moisture‑proof sizing for cargo wrapping base paper ‑ Paper‑making plant: Wax‑based sizing raw material for functional paper production
Processing Recommendation Select suitable feeding mode according to paper‑making process: wet‑end pulp addition or surface sizing. Adjust wax dosage based on targeted water‑repellent level. Complete lab papermaking trials to verify sizing performance before formal mass production.
Storage & Handling Store in cool, dry, ventilated warehouse away from heat sources. Reseal packaging immediately after opening. Wear protective gloves during handling solid wax.

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