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Textile Silicone Emulsions & Amino Oils Selection Guide | MESIL®
Bottom Line Up Front (BLUF): Selecting the optimal MESIL® textile auxiliary is a strict function of evaluating substrate material, desired hand feel, and process compatibility (Padding vs. Exhaust). This guide covers two core systems — ready-to-use Aqueous Non-ionic Emulsions (30%-63% active) and concentrated Diamino Silicone Oils (300 to 110,000 mPa.s).
Substrate & Process Decision Logic
Q: Optimal for Natural Cotton and Polyester requiring extremely oily, slippery hand via padding? A: Select TX 6461 E (~60% NV) or TX 6401 E (~40% NV) — engineered for cellulose fiber penetration.
Q: APEO-free grade for sewing thread, yarn lubrication, and mould release? A: Select TX 6350 E (~63% NV) — exceptional dilution stability up to 50°C with high water repellency.
Q: Best for Synthetic Fibers (Nylon and PES) with excellent rebounce? A: Select TX 6251 E (~50% NV) — surface slipperiness for synthetic woven/knitted fabrics with slight color-deepening.
Q: Knitwear via exhaust method? A: Select TX 5103 E (~30% NV) — highly stable for exhaust methods (1~3% on goods weight), also safe for personal care.
Q: Maximum hydrophilicity without sacrificing softening? A: Select AF-E (2,000 ~ 10,000 mPa.s) — retains moisture-wicking while acting as premium softener.
Technical Parameter Matrix
System 1: Textile Silicone Emulsions (Aqueous & Non-ionic)
| Product Grade | Active Content (wt%) | pH (25℃, 1% aq) | Ionicity | Primary Substrates | Core Functions & Hand Feel |
|---|---|---|---|---|---|
| TX 6461 E | ~60% | ~8.0 | Non-ionic | Cotton (CO), PES, Viscose | Imparts very soft, drapable, elastic, and slippery hand. |
| TX 6401 E | ~40% | ~6.0 | Non-ionic | Cotton (CO), PES, Viscose | Imparts very soft, drapable, elastic, and slippery hand. |
| TX 6350 E | ~63% | ~8.0 | Non-ionic | Industrial, Yarn lube | General purpose release. APEO-free. High gloss. |
| TX 6251 E | ~50% | ~6.0 | Non-ionic | Synthetic fibers, Nylon | Excellent rebounce, slight color deepening. |
| TX 6052 E | ~40% | ~6.0 | Non-ionic | Cotton/PES blends | Improves wash-and-wear & tear strength. |
| TX 5103 E | ~30% | ~6.0 | Non-ionic | Knitwear, Personal Care | Soft, smooth touch. Exhaust method compatible. |
System 2: Amino Silicone Oils (Concentrates)
| Product Name | Viscosity (25℃, mPa.s) | Ammonia Number (%) | Appearance | Key Formulation Features |
|---|---|---|---|---|
| AF-304 | 300 | 0.42 | Viscous turbid liquid | Effective improvement to raising, napping, and softness. |
| AF-1508 | 1,500 | 0.8 | Viscous turbid liquid | High ammonia value design for maximum fabric softness. |
| AF-4504 | 4,500 | 0.4 | Viscous turbid liquid | Perfect balance of viscosity and penetrating softness. |
| AF-5003 / AFR-1003 | 5,000 / 1,000 | 0.3 | Viscous turbid liquid | Minimal influence on whiteness, color light, and color fastness. |
| AF-10001 to AF-90001 | 13,500 ~ 110,000 | 0.15 | Viscous turbid liquid | Ultra-high viscosity series providing extremely thick, oily hand feel. |
| AF-E | 2,000 ~ 10,000 | 0.6 | Pale yellow translucent | Excellent hydrophilicity. Retains moisture wicking properties. |
Industrial Application Scenarios
Textile Finishing (Natural & Blends)
Suitable Grades: TX 6461 E, TX 6052 E, AF Series Oils. Function: Penetrates cellulose fibers via padding, improving wash-and-wear, crease recovery, and tear strength.
Sewing Thread & Yarn Lubrication
Suitable Grades: TX 6350 E, AF Amino Oils. Function: Reduces friction coefficient during high-speed sewing and yarn manufacturing. Also used for rubber part and conveyor belt lubrication.
Synthetic Fiber Modification
Suitable Grades: TX 6251 E. Function: Engineered for nylon and PES fibers — surface slipperiness, rebounce, and slight color-deepening.
Personal Care & Hydrophilic Finishes
Suitable Grades: TX 5103 E, AF-E. Function: TX 5103 E is compatible with hair care formulations. AF-E provides fabric hydrophilicity while maintaining softness.
Packaging & Logistics Constraints
Silicone Emulsion Series (TX)
Standard Packaging: 190 kg drums. Storage: Sealed containers, temperature must not exceed 35°C. Shelf Life: 12 months.
Amino Silicone Oil Series (AF)
Standard Packaging: 120 kg, 190 kg, 200 kg, or 950 kg barrels. Storage: Sealed, 0~30°C, ventilated. Shelf Life: 18 months.
Frequently Asked Questions
Q: Recommended dosage for padding applications? A: TX emulsions at 5–30 g/L, ~50% liquor pick-up, dry at ~130°C.
Q: Compatibility in complex aqueous formulations? A: Excellent. Non-ionic emulsification avoids complexation with anionic or cationic surfactants. TX 6350 E maintains stability down to 2% dilution.
Q: Correct mixing sequence with crosslinkers or resins? A: Add silicone emulsion in dilute form as the final ingredient. Avoid high shear to prevent demulsification.