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

Everlight ETERKYD 5016-S-60-2 Polyester Resin Toughener

Everlight ETERKYD 5016-S-60-2 is a high-performance polyester resin toughener from Everlight’s ETERKYD series, engineered to enhance impact resistance and flexibility in unsaturated polyester composites without compromising cure speed or surface hardness. Widely used in marine gelcoats, automotive parts, and industrial laminates for superior crack resistance and weatherability.
  • everlight eterkyd 5016 s 60 2 polyester resin toughener_2e87b610
  • everlight eterkyd 5016 s 60 2 polyester resin toughener_2e87b610

Features Of Everlight ETERKYD 5016-S-60-2 Polyester Resin Toughener

  1. Enhances impact resistance and fracture toughness of unsaturated polyester resins without compromising cure speed.

  2. Offers excellent compatibility with standard orthophthalic and isophthalic polyester resin systems.

  3. Improves flexural strength and dimensional stability in cured composites under thermal cycling.

  4. Low volatility formulation ensures reduced styrene emission during processing and improved workplace safety.

  5. Enables high-gloss surface finish retention in gel coats and top-layer laminates.

Typical Applications Of Everlight ETERKYD 5016-S-60-2 Polyester Resin Toughener

  1. Fiberglass-reinforced plastic (FRP) panels for architectural cladding and façade systems.

  2. Marine deck and hull laminates requiring enhanced durability against mechanical shock and fatigue.

  3. Automotive under-hood components and exterior body panels exposed to vibration and thermal stress.

  4. Industrial tanks and corrosion-resistant linings where crack propagation resistance is critical.

  5. Wind turbine blade root sections and shear webs demanding superior interlaminar toughness.

Specifications Of Everlight ETERKYD 5016-S-60-2 Polyester Resin Toughener

Chemical TypeReactive liquid acrylic-based toughening agent
Product FormClear, low-viscosity liquid
AppearanceColorless to pale yellow, homogeneous liquid
Primary ApplicationsToughening modifier for unsaturated polyester resins
Key FeaturesStyrene-compatible, non-phase-separating, post-cure stable
Recommended Dosage5–15 wt% relative to base polyester resin
Storage ConditionsStore in sealed containers at 5–30°C, protect from moisture and direct sunlight
Shelf Life12 months from date of manufacture when stored properly


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