SHD Composites MTC475

Shanghai Sunwise Chemical MTC475 is an epoxy resin system designed to combine excellent clarity and elevated service temperature. It cures from 80°C to 120°C, allowing flexibility in component manufacture. It can be supplied on a variety of fabrics to meet your cost and manufacturing requirements.

Polymer Name: Epoxy Resins & Compounds

Functions: Prepreg

Processing Methods: Prepreg Processing

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Composite Materials Functions

Features & Benefits

Labeling Claims
Key Features
  • Cure temperature from 80°C to 120°C
  • Service temperature up to 180°C after post cure
  • Low CTE and shrinkage
  • Work life at 20°C: 30 days
  • Storage life at -18°C: 12 months
  • Very low VOC content – no added solvents during manufacture
  • Excellent clarity

Applications & Uses

Composites Processing Methods
Typical Applications

Higher service temperature – Visual

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Cure Temperature80 - 120°C
Cure Time16 - 1hrs,mins
Outlife30months
Tg Onset190
Tg Peak206
Service Temperature180°C

Technical Details & Test Data

Cure Cycles and Performances
Cure Initial Min Cure Tg
80°C (minimum) 16 hours 90°C
90°C 8 hours 100°C
100°C 4 hours 110°C
120°C (maximum) 1 hour 130°C
180°C Post Cure 2 hours 165°C
200°C Post Cure 2 hours 190°C
  • Curing Schedule is meant to be a guide only and is subject to local conditions.
  • To avoid exotherm particular care must be taken with thick laminates.

           Ramp rates must not exceed 3.0°C per minute during initial cure.

           Ramp rates must not exceed 0.3°C per minute during post cure (free standing).

Safety & Health

Health And Safety

This material contains epoxy resin which can cause allergic reactions with skin contact and must avoid repeated and prolonged skin contact

The following precautions must be taken when using epoxy resin prepregs:

  • Overalls must be worn.
  • Impervious gloves must be worn.
  • Curing schedule is meant to be as a guide only and is subject to local conditions.
  • To avoid exotherm, particular care must be taken with thick laminates.
  • Ramp rates must not exceed 3.0°C/min during initial cure and 0.3°C/min during post cure.

Packaging & Availability

Packaging Type

Storage & Handling

Storage and Out Life

This material should be kept frozen at -18°C. It must be kept sealed in a polythene bag which must not be opened until fully thawed to room temperature. If the material is not fully used, then the material must be resealed in the polythene bag to prevent moisture absorption.