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

CVI TSC-5M Toughener

CVI TSC-5M Toughener is a high-performance epoxy modifier from CVI’s TSC series, engineered to enhance impact resistance, fracture toughness, and thermal stability in structural composites and adhesives without compromising viscosity or cure kinetics.
  • cvi tsc 5m toughener_0f3d40fc
  • cvi tsc 5m toughener_0f3d40fc

Features Of CVI TSC-5M Toughener

  1. Enhances impact resistance and fracture toughness in thermoset composites without compromising thermal stability.

  2. Compatible with epoxy, vinyl ester, and unsaturated polyester resin systems for seamless formulation integration.

  3. Low-viscosity liquid form enables uniform dispersion and eliminates the need for high-shear mixing or solvent dilution.

  4. Retains excellent mechanical properties after post-cure and long-term aging under humid and elevated-temperature conditions.

  5. Halogen-free and REACH-compliant, supporting sustainable composite manufacturing requirements.

Typical Applications Of CVI TSC-5M Toughener

  1. Aerospace structural components requiring high damage tolerance and fatigue resistance.

  2. Wind turbine blade matrices for improved delamination resistance and service-life extension.

  3. High-performance automotive under-hood and exterior composite parts exposed to thermal cycling.

  4. Industrial tooling and molds where dimensional stability and crack resistance are critical.

  5. Marine hulls and deck laminates demanding superior moisture resistance and impact resilience.

Specifications Of CVI TSC-5M Toughener

Chemical TypeFunctionalized carboxyl-terminated polybutadiene (CTPB) derivative
Product FormLow-viscosity amber liquid
AppearanceClear to slightly hazy, homogeneous liquid
Primary ApplicationsToughening agent for thermosetting resins in structural composites
Key FeaturesReactive toughener with pendant epoxy-reactive groups
BenefitsImproved interlaminar shear strength (ILSS), reduced microcracking, enhanced peel resistance
Storage ConditionsStore at 10–25°C in sealed containers; protect from moisture and direct sunlight
Shelf Life12 months from date of manufacture when stored properly


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