English
Español
tiếng việt
русский
Highly reactive liquid bisphenol-A epoxy resin with excellent compatibility with standard amine and anhydride curing agents.
Low viscosity (12,000–14,000 cP at 25°C) enabling easy processing, impregnation, and flow control in casting and laminating applications.
Superior thermal stability and chemical resistance post-cure, particularly against alkalis and solvents.
Consistent batch-to-batch quality with tightly controlled epoxide equivalent weight (EEW: 185–192 g/eq).
Low volatile organic compound (VOC) content, supporting compliance with industrial environmental and safety standards.
Electrical insulation systems for transformers, reactors, and high-voltage bushings.
Structural adhesives requiring high bond strength and temperature resistance.
Casting and encapsulation of electronic components and power modules.
Laminating resin for glass fiber-reinforced composites in industrial tooling and marine parts.
Formulation base for high-performance coatings used in corrosion-resistant tank linings and pipe coatings.
| Chemical Type | Bisphenol-A based liquid epoxy resin |
| Product Form | Clear to pale yellow viscous liquid |
| Appearance | Transparent, slightly yellow, homogeneous liquid |
| Epoxide Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity (25°C) | 12,000–14,000 cP |
| Chlorine Content (Total Cl) | ≤ 700 ppm |
| Softening Point | 12–16°C |
| Density (25°C) | 1.16–1.18 g/cm³ |
Q1: What is the primary functional role of KD-448 in epoxy formulations?
A: KD-448 is a reactive liquid epoxy resin modifier designed to reduce system viscosity while maintaining good compatibility with standard DGEBA-type resins. It functions as both a reactive diluent and a flexibilizer, helping improve processability without significantly compromising crosslink density or thermal stability.
Q2: Is KD-448 suitable for high-gloss, UV-stable coating systems?
A: Yes — KD-448 exhibits low volatility and excellent clarity, making it well-suited for high-performance decorative and protective coatings. While it is not inherently UV-resistant, its chemical structure supports formulation with appropriate UV stabilizers and HALS additives for enhanced weathering performance.
Q3: How does KD-448 compare to non-reactive diluents in terms of final film properties?
A: Unlike non-reactive diluents, KD-448 participates in the curing reaction, contributing to the polymer network. This results in improved chemical resistance, reduced leaching potential, and better long-term mechanical integrity compared to solvent- or plasticizer-based alternatives.
Q4: Can KD-448 be used in food-contact compliant epoxy systems?
A: KD-448 may be incorporated into food-contact epoxy formulations where regulatory compliance is achieved through full system evaluation. Its suitability depends on the complete cured matrix, processing conditions, and intended application — end-use compliance must be verified by the formulator against applicable regional requirements.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
