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Dow XIAMETER OFX-8040A Fluid is a high-performance diamino-functional silicone softener in the XIAMETER series, designed for textile soft finishing. It features partial cross-linking properties, endowing fabrics with delicate,perature stability and low surface tensionqueous systems, and meets 40 CFR 180.910 standards
Long-Lasting Soft & Smooth Hand Feel - Endows fabrics with silky smooth touch, stable and long-lasting soft effect
Partial Cross-Linking Property - Good film-forming ability, improving fabric wash resistance and finishing durability
Wide Fiber Compatibility - Compatible with cotton, polyester, wool, silk and other fiber materials
Low Yellowing Performance - Fabrics are not easy to yellow after finishing, maintaining bright color
Easy Emulsification & Processability - Can be prepared into micro-emulsion, suitable for padding, dipping and other processes
Woven Fabric Finishing - Soft treatment of cotton and polyester-cotton woven fabrics, improving wearing comfort
Knitted Fabric Finishing - Bulkiness and smoothness modification of wool and silk knitted fabrics
Home Textile Finishing - Soft and wrinkle-resistant treatment of beddings, curtains, towels, etc.
Garment Fabric Finishing - Hand feel optimization of high-end garment fabrics, enhancing quality grade
| Brand | DOW |
| Chemical Composition | Diamino-Functional Polysiloxane Polymer |
| CAS No. | 188627-10-3 |
| Appearance | Pale Yellow Transparent Liquid |
| Dynamic Viscosity (25℃) | 800 - 5000 Centipoise |
| Solid Content | ≥ 95 % |
| Ionic Type | Weak Cationic |
| Amine Value | Approx. 0.4 mmol/g |
Q1: What is the primary function of XIAMETER OFX-8040A in industrial formulations?
A: XIAMETER OFX-8040A is a low-viscosity, reactive silicone fluid designed primarily as a surface modifier and leveling agent. It improves substrate wetting, reduces surface tension, and enhances flow and defect control in coatings, inks, adhesives, and sealants—especially where compatibility with both organic and inorganic systems is required.
Q2: Is XIAMETER OFX-8040A compatible with UV-curable systems?
A: Yes, XIAMETER OFX-8040A demonstrates good compatibility with free-radical and cationic UV-curable chemistries. Its reactive silane functionality allows for covalent incorporation into the polymer network under appropriate curing conditions, supporting improved interfacial stability and long-term performance.
Q3: How should XIAMETER OFX-8040A be incorporated into a formulation?
A: It is typically added during the let-down or post-addition stage under moderate agitation. For optimal dispersion and reactivity, avoid high-shear mixing at elevated temperatures prior to full formulation integration. Dosage depends on formulation requirements but generally ranges from 0.1% to 2% by weight relative to total solids.
Q4: Does XIAMETER OFX-8040A require special handling or storage conditions?
A: Store in tightly sealed containers under dry, cool conditions (below 30°C) and protect from moisture, strong acids, and alkaline materials. While not classified as highly hazardous, standard industrial hygiene practices—including adequate ventilation and appropriate PPE during handling—are recommended.
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