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Dow XIAMETER OFX-5103 Fluid is a high-performance hydrolysis-resistant silicone polyether surfactant in the XIAMETER series, designed for rigid polyurethane foam preparation. It features excellent foam stabilization and cell regulation capabilities, optimizing foam formation process, improving foam closed-cell rate and structural uniformity
Hydrolysis-Resistant Stability - Stable chemical structure, hydrolysis-resistant and non-degradable
Precise Cell Regulation - Refines cell structure, improving foam uniformity
Enhanced Foam Stabilization - Ensures stable foaming process, reducing collapse risk
100% Active Ingredient - Ready-to-use without dilution, improving formulation efficiency
Good Water Solubility - Easily soluble in aqueous systems, excellent formulation compatibility
Rigid PU Foam Field - Preparation of general-purpose rigid polyurethane foam, optimizing cell structure
Thermal Insulation Field - Auxiliary for polyurethane foam for thermal insulation, improving insulation performance
Cold Chain Insulation Field - Insulation foam for cold chain equipment, enhancing low-temperature stability
Building Insulation Field - External wall insulation foam for buildings, improving water resistance and structural strength
| Brand | DOW |
| Chemical Composition | Hydrolysis-Resistant Silicone Polyether Copolymer |
| Appearance | Amber Liquid |
| Active Ingredient Content | 100 % |
| Kinematic Viscosity (25℃) | 190 Centistokes |
| Specific Gravity (25℃) | 1.05 |
| Flash Point (Closed Cup) | 85 ℃ |
| Water Solubility | Soluble |
| Shelf Life | 900 Days |
Q1: What is the primary function of XIAMETER OFX-5103 in industrial formulations?
A: XIAMETER OFX-5103 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 suppression—especially in high-performance coatings, inks, and adhesives.
Q2: Is XIAMETER OFX-5103 compatible with common organic solvent-based and waterborne systems?
A: Yes, OFX-5103 exhibits broad compatibility with both solvent-borne and waterborne formulations, including acrylics, polyurethanes, and epoxy resins. Its hydrolytically stable siloxane backbone supports performance across diverse pH and polarity conditions, though compatibility testing under specific formulation conditions is recommended.
Q3: How does OFX-5103 differ from non-reactive silicone oils in terms of film integrity?
A: Unlike non-reactive silicone oils, OFX-5103 contains reactive alkoxy groups that can undergo condensation reactions with ambient moisture or co-reactants in the system. This enables covalent incorporation into the cured matrix, reducing the risk of surface bloom, migration, or intercoat adhesion loss over time.
Q4: What are typical dosage guidelines for optimal performance?
A: OFX-5103 is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to total formulation solids—depending on substrate sensitivity, desired surface effect, and compatibility constraints. Start with lower dosages and adjust incrementally based on application-specific evaluation.
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