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Dow DOWSIL FZ-3785 is an amino functional silicone fluid in the DOWSIL series, designed for leather and textile softening finishing. It imparts a moist, skin-friendly touch to substrates with excellent durability, significantly enhancing the hand feel quality and performance of leather and fabrics, a core functional additive for high-end softening finishing.
Moist Skin-Friendly Touch - Imparts delicate and moist skin-friendly hand feel to leather and fabrics
Long-Lasting Softness & Durability - Durable softening effect, resistant to washing and daily wear
Wide Substrate Compatibility - Suitable for various leathers, natural and synthetic fiber fabrics
Easy Processing & Dispersion - Good fluidity, directly addable to various finishing systems
Stable Performance - Chemically stable, does not affect the original color and properties of substrate
Leather Softening Finishing - Genuine leather, artificial leather products, enhancing softness and moist touch
Textile Softening Processing - Apparel, home textile fabrics, improving hand feel and skin-friendly comfort
Footwear & Leather Goods Treatment - Leather shoes, bags, leather accessories, optimizing touch and durability
Functional Fabric Modification - Outdoor, sportswear fabrics, balancing softness and performance stability
Home Textile Upgrading - Bedding, towels, fabric soft furnishings, enhancing use comfort
| Brand | DOW |
| Product Type | Amino Functional Silicone Microemulsion |
| Appearance | Translucent Liquid |
| Active Content | 23% |
| pH Value (25℃) | 5.0 – 9.0 |
| Ionic Character | Non-Ionic |
| Core Characteristics | Film-forming waterproofing, low yellowing |
Q1: What is the primary function of DOWSIL FZ-3785 Silicone Oil in formulations?
A: DOWSIL FZ-3785 is a specialty silicone oil designed primarily as a surface modifier and processing aid to improve slip, leveling, and substrate wetting—particularly in high-performance coatings, inks, and adhesives where controlled surface migration and low surface tension behavior are critical.
Q2: Is DOWSIL FZ-3785 compatible with common solvent-based and water-based systems?
A: Yes, DOWSIL FZ-3785 exhibits broad compatibility with both solvent-borne and water-borne systems, including acrylics, polyurethanes, and epoxy resins. Its formulation allows for stable incorporation without significant risk of haze or phase separation when properly dispersed.
Q3: How should DOWSIL FZ-3785 be incorporated into a formulation?
A: It is typically added during the let-down or post-addition stage under moderate agitation. Pre-dilution in a compatible carrier solvent or resin solution may facilitate uniform dispersion, especially in viscous or highly filled systems.
Q4: Does DOWSIL FZ-3785 affect film hardness or crosslink density in cured coatings?
A: When used at recommended treat levels, it generally does not interfere with crosslinking chemistry or significantly reduce final film hardness—its surface-active nature allows it to migrate and enrich at the air interface without compromising bulk network integrity.
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