Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

DOW DER 669-20 Solid Epoxy Resin

DOW DER 669-20 is a premium solid epoxy resin from Dow's advanced coating resin series, specifically formulated for high-performance protective coatings. This specialized bisphenol-A based resin offers exceptional chemical resistance and thermal stability, making it ideal for industrial applications requiring durable surface protection in aggressive environments.

Features Of DOW DER 669-20 Solid Epoxy Resin

  1. Enhanced chemical resistance - Withstands harsh solvents and acids

  2. Thermal stability - Maintains performance at elevated temperatures

  3. Mechanical durability - Excellent hardness and abrasion resistance

  4. Formulation flexibility - Compatible with various curing agents

  5. Consistent quality - Reliable batch-to-batch performance

Typical Applications Of DOW DER 669-20 Solid Epoxy Resin

  1. Industrial maintenance coatings - Chemical plant equipment protection

  2. Marine coatings - Hull and offshore structure protection

  3. Tank linings - Interior protection for storage tanks

  4. Pipeline coatings - Corrosion protection for oil/gas pipelines

  5. Automotive primers - High-performance vehicle coatings

Specifications Of DOW DER 669-20 Solid Epoxy Resin

Epoxy Equivalent Weightg/eq475-550
Softening Point°C65-75
Color (Gardner)-≤2
Melt Viscosity at 150°CcP1,500-3,000
Hydrolyzable Chlorideppm≤500
Density at 25°Cg/cm³1.18-1.20


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