SM-678 is a premium bifunctional epoxy reactive diluent in Kukdo’s SM series, designed to optimize epoxy resin system processability. It efficiently reduces resin viscosity, participates in curing, enhancing cured product toughness and mechanical properties.
High-efficiency viscosity reduction - Significantly lowers epoxy system viscosity, improving construction and wettability
Bifunctional reactivity - Participates in curing reaction without deteriorating core properties of cured products
Toughness enhancement - Effectively improves cured product brittleness, enhancing impact resistance
Excellent compatibility - Highly compatible with various bisphenol epoxy resins
Low-irritation formula - Mild odor, friendly operating environment, high processing safety
Epoxy potting materials - Viscosity modification of electronic device potting resin systems
Industrial protective coatings - Viscosity adjustment of solvent-based/solvent-free epoxy anti-corrosion coatings
Composite resins - Optimization of glass fiber/carbon fiber composite resin systems
Structural adhesives - Epoxy structural adhesive fluidity improvement, enhancing coating and bonding effect
Floor coating systems - Epoxy floor resin viscosity reduction, optimizing construction leveling and filling
| Appearance | Colorless Transparent Liquid |
| Type | Bifunctional Epoxy Reactive Diluent (Neopentyl Glycol Diglycidyl Ether) |
| Epoxy Value (eq/100g) | 0.30~0.35 |
| Viscosity (25℃, mPa·s) | ≤20 |
| Organic Chlorine (eq/100g) | ≤0.02 |
| Inorganic Chlorine (eq/100g) | ≤0.005 |
| Color (APHA) | ≤50 |
| Density (20℃, g/cm³) | 1.03~1.06 |
| Boiling Point (1mmHg, ℃) | ≥160 |
| Recommended Addition Amount (%) | 10~25 (Based on Resin Mass) |
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