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Dow XIAMETER OFX-3667 Fluid is a high-performance silicone polyether copolymer fluid in the XIAMETER series, designed for fiber lubrication and fabric coating applications. It features excellent lubricity, hydrophobicity and processing stability, suitable for various textile finishing systems, significantly improving fabric abrasion resistance
Efficient Fiber Lubrication - Reduces fiber friction, improving textile processing fluency
Excellent Hydrophobicity - Endows fabric with hydrophobic properties, enhancing water repellency
Improved Abrasion & Anti-blocking - Enhances fabric surface performance, reducing blocking and abrasion
Low Temperature Stability - Stable performance in low temperature environment, meeting various working conditions
Fiber Processing Field - Lubricant for chemical fiber spinning and yarn drawing, improving processing efficiency
Fabric Coating Field - Additive for textile fabric coating, optimizing coating performance and hand feel
Textile Finishing Field - Functional finishing agent for fabrics, providing abrasion resistance, hydrophobicity and gloss
Synthetic Fiber Field - Component of synthetic fiber spinning oil, improving fiber spinnability
Industrial Textile Field - Functional modification of industrial textiles, enhancing durability and functionality
| Brand | DOW |
| Chemical Composition | Silicone Polyether (Ethylene Glycol) Copolymer |
| Appearance | Hazy Liquid |
| Active Ingredient | 100 % |
| Flash Point (Closed Cup) | 67.2 ℃ |
| Water Ratio | 8.7 % |
| Kinematic Viscosity (25℃) | 200 - 500 Centistokes |
| Pour Point | 13 ℃ |
| Refractive Index | 1.438 |
| Specific Gravity (25℃) | 1.04 |
| Shelf Life | 900 Days |
Q1: What is the primary function of XIAMETER OFX-3667 in industrial formulations?
A: XIAMETER OFX-3667 is a non-reactive, low-viscosity silicone fluid designed primarily as a surface modifier and processing aid—providing improved slip, leveling, and substrate wetting in coatings, inks, adhesives, and sealants without interfering with cure chemistry or film integrity.
Q2: Is XIAMETER OFX-3667 compatible with water-based systems?
A: Yes, it is formulated to be dispersible in aqueous systems with appropriate surfactant assistance and is commonly used in waterborne coatings and architectural paints to enhance surface uniformity and reduce defects such as craters or orange peel.
Q3: How does XIAMETER OFX-3667 differ from reactive silicone additives?
A: Unlike reactive silicones that chemically bond into the polymer matrix, OFX-3667 remains physically blended and migrates to the air interface—delivering persistent surface effects while allowing for easier formulation adjustments and compatibility across diverse resin systems.
Q4: What are typical dosage levels for XIAMETER OFX-3667 in coating applications?
A: Dosage depends on formulation requirements and desired performance, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight of total formulation—to achieve optimal surface enhancement without compromising intercoat adhesion or clarity.
Q5: Can XIAMETER OFX-3667 be used in food-contact or pharmaceutical-related applications?
A: XIAMETER OFX-3667 is not specifically manufactured or certified for direct food-contact or pharmaceutical use; customers requiring regulatory compliance for such applications should consult Dow’s technical support team for appropriate alternatives and documentation.
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