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

Chang Chun ETERKYD 5050-B-75 Saturated Polyester Resin

ChangChun ETERKYD 5050-B-75 is a high-performance saturated polyester resin from ChangChun’s ETERKYD series, engineered for premium coil coating and metal decoration. It delivers excellent gloss retention, weather resistance, flexibility, and chemical stability. Compatible with TGIC and HAA curing agents, it ensures smooth film formation, superior hardness, and consistent color fidelity—ideal for demanding architectural and appliance applications.
  • chang chun eterkyd 5050 b 75 saturated polyester resin_bb3b6861
  • chang chun eterkyd 5050 b 75 saturated polyester resin_bb3b6861

Features Of Chang Chun ETERKYD 5050-B-75 Saturated Polyester Resin

  1. Excellent chemical resistance to solvents, acids, and alkalis in cured coatings.

  2. High gloss retention and superior color stability under UV exposure.

  3. Low viscosity for easy formulation and excellent flow/leveling in high-solids coating systems.

  4. Good compatibility with melamine formaldehyde crosslinkers and common additives.

  5. Consistent batch-to-batch performance ensured by stringent Chang Chun quality control.

Typical Applications Of Chang Chun ETERKYD 5050-B-75 Saturated Polyester Resin

  1. Automotive OEM and refinish topcoats requiring high durability and appearance.

  2. Industrial maintenance coatings for metal furniture, appliances, and agricultural equipment.

  3. General-purpose coil coatings for pre-painted steel used in construction and HVAC.

  4. High-performance can coatings for food and beverage containers (non-internal contact).

Specifications Of Chang Chun ETERKYD 5050-B-75 Saturated Polyester Resin

Chemical TypeSaturated polyester resin (melamine-curable)
Product FormLiquid, solvent-based solution
AppearanceClear, pale yellow to amber transparent liquid
Non-Volatile Content (NV%)74–76% (by weight, at 120°C, 60 min)
Acid Value8–12 mg KOH/g
Hydroxyl Value110–130 mg KOH/g
Viscosity (25°C, Brookfield RV-DVII+, spindle #3, 20 rpm)4,000–7,000 cP
Specific Gravity (25°C)1.08–1.12 g/cm³


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