{"id":1050,"date":"2026-07-10T03:06:38","date_gmt":"2026-07-10T03:06:38","guid":{"rendered":"https:\/\/lypaperchem.com\/?p=1050"},"modified":"2026-07-15T02:20:36","modified_gmt":"2026-07-15T02:20:36","slug":"pae-wet-strength-agent-standard-food-grade","status":"publish","type":"post","link":"https:\/\/lypaperchem.com\/vi\/pae-wet-strength-agent-standard-food-grade\/","title":{"rendered":"Ch\u1ea5t t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n khi \u01b0\u1edbt PAE (Lo\u1ea1i ti\u00eau chu\u1ea9n \/ Lo\u1ea1i d\u00f9ng trong th\u1ef1c ph\u1ea9m)"},"content":{"rendered":"

High-Efficiency Polyamide-Polyamine Epichlorohydrine (PAE) Wet Strength Resin LY-WA401<\/h2>\n\n\n\n
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LY-WA401 is a premium water-soluble, cationic thermosetting resin formulated from Polyamide-Polyamine Epichlorohydrine (commonly designated as PAE or PPE resin)<\/sup>. As one of the industry’s most widely trusted wet strength chemical additives, it demonstrates a highly optimized molecular architecture that delivers exceptional self-fixation across a vast pH spectrum<\/sup>.<\/p>\n\n\n\n

Engineered specifically to survive demanding wet-end conditions, LY-WA401 retains its superior performance metrics even in pulp systems heavily contaminated with high concentrations of dissolved salt or interfering anionic trash\/impurities<\/sup>. It provides modern paper mills with an advanced technical solution to maximize wet structural integrity while optimizing broke repulping efficiency<\/sup>.<\/p>\n\n\n\n

Technical Specifications & Parameters<\/h2>\n\n\n\n
Property \/ Indicator<\/strong><\/td>Technical Standard<\/strong><\/td><\/tr><\/thead>
Appearance<\/strong><\/td>Light yellow to light amber translucent liquid<\/td><\/tr>
Solid Content<\/strong><\/td>12.5% \u00b1 0.5%<\/td><\/tr>
Viscosity (25\u00b0C)<\/strong><\/td>\u2264 70 mPa\u00b7s<\/td><\/tr>
pH Value<\/strong><\/td>2.0 \u2013 7.0<\/td><\/tr>
Ionic Charge Type<\/strong><\/td>Cationic<\/td><\/tr>
Solubility<\/strong><\/td>Dissolves easily in cold water<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Core Technical Advantages & Value Proposition<\/h2>\n\n\n\n

1. Significant Boost to Wet Strength Ratios<\/h3>\n\n\n\n

Standard, untreated paper sheets typically lose almost all structural cohesion when saturated with water, retaining a mere 2% to 10% of their original dry tensile strength<\/sup>. The addition of LY-WA401 remedies this by establishing a cross-linked thermosetting network among cellulose fibers, successfully elevating the wet strength of the finished sheet to 20% to 40% of its initial dry strength<\/strong><\/sup>.<\/p>\n\n\n\n

2. High Fiber Performance Preservation Without Yellowing<\/h3>\n\n\n\n

Unlike obsolete aldehyde-based resins, LY-WA401 improves wet tensile strength without degrading the original softness, texture, or liquid absorbability of the paper matrix<\/sup>. Furthermore, it uses low dosage amounts, resists thermal degradation (heat resistance), and minimizes the “yellowing phenomenon” common in high-brightness white papers<\/sup>.<\/p>\n\n\n\n

3. Highly Cost-Effective Broke Repulping & Recovery<\/h3>\n\n\n\n

A major disadvantage of traditional wet-strength resins is the extreme difficulty in recycling damaged or scrap paper rolls. LY-WA401 overcomes this operational hurdle<\/sup>. While it provides robust water resistance during end-use, the broke or waste paper remains highly responsive to industrial repulping processes<\/strong>, cutting down energy consumption in the hydration loop and preventing fiber waste<\/sup>.<\/p>\n\n\n\n

4. Broad Sizing Synergy & Multi-Action Wet-End Benefits<\/h3>\n\n\n\n

LY-WA401 operates efficiently across acidic, neutral, and medium-alkaline papermaking conditions<\/sup>. It features a strong cationic charge that works well alongside rosin sizing agents and aluminum sulfate (alum)<\/sup>. Beyond wet reinforcement, it acts as a secondary process aid, providing excellent retention and drainage-filtration benefits to improve overall paper machine line speed<\/sup>.<\/p>\n\n\n\n

Application & Dosage Guidelines<\/h2>\n\n\n\n

To capture maximum retention and ensure absolute blending without polymer shearing, follow these procedures:<\/p>\n\n\n\n