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Dow DOWSIL SH 8700 Fluid is a high-performance product in DOWSIL SH series functional silicone fluids, designed for industrial processing and coating system applications. With excellent surface control, lubrication and system adaptability, it effectively optimizes formula processing efficiency, substrate wetting effect and end-product surface performance, suitable for various industrial and coating application scenarios.
Efficient Surface Control - Precisely adjusts system surface tension, improves substrate wetting and spreading
Stable Lubrication Performance - Reduces processing friction resistance, enhances product smoothness and wear resistance
Wide System Adaptability - Compatible with various water-based and solvent-based formulas, no delamination or precipitation
Convenient Processing - Good fluidity, easy to add and disperse, suitable for various industrial production processes
Excellent Weather Resistance - Temperature and aging resistant, stable performance without attenuation in long-term use
Industrial Coating Additive - Improves coating leveling, enhances film surface smoothness and gloss
Rubber & Plastic Processing Modification - Optimizes processing fluidity, improves product surface texture
Industrial Lubrication Application - Lubricates mechanical parts and precision devices, reduces friction loss
Surface Treatment Auxiliary - Wettability modification of various substrates, improves subsequent processing adaptability
Polyurethane System - Improves molding effect and surface performance of polyurethane products
| Brand | DOW |
| Product Type | Industrial Functional Silicone Fluid |
| Active Ingredient | 100% (Typical) |
| Appearance | Colorless Transparent Liquid (Typical) |
| Dynamic Viscosity (25℃) | 2500~4500 cP (Typical) |
| Surface Tension (25℃) | 21~24 mN/m (Typical) |
| Specific Gravity (25℃) | 0.99~1.02 (Typical) |
| Temperature Resistance Range | -45℃ ~ 170℃ (Typical) |
| Refractive Index (25℃) | 1.390~1.395 (Typical) |
Q1: What is the primary functional role of DOWSIL SH 8700 Silicone Oil in formulations?
A: DOWSIL SH 8700 is a high-purity, low-viscosity silicone fluid primarily used as a surface modifier and release aid. It enhances slip, improves substrate wetting, reduces surface tension, and imparts a soft tactile feel—especially in coatings, inks, adhesives, and personal care emulsions.
Q2: Is DOWSIL SH 8700 compatible with water-based systems?
A: Yes, DOWSIL SH 8700 can be effectively incorporated into water-based systems when properly dispersed—typically using high-shear mixing or with the assistance of compatible surfactants or co-solvents. Its hydrophobic nature requires careful formulation to ensure stable emulsification or microdispersion.
Q3: How does DOWSIL SH 8700 differ from standard dimethicone fluids?
A: Unlike conventional linear dimethicones, DOWSIL SH 8700 is a specially purified, low-volatility silicone oil with tightly controlled molecular weight distribution and minimal cyclic siloxane content. This makes it particularly suitable for applications requiring low odor, high thermal stability, and compatibility with sensitive substrates or regulatory-sensitive end uses.
Q4: What are typical dosage guidelines for DOWSIL SH 8700 in industrial coating formulations?
A: Dosage depends on the desired effect and base formulation, but DOWSIL SH 8700 is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to total formulation solids. Optimization through lab-scale trials is recommended to balance performance, clarity, and intercoat adhesion.
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