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Terephthalic polyester resin serves as a high-performance alternative to orthophthalic types, offering enhanced thermal stability, and mechanical strength. This resin is ideal for fabricating structural FRP components in demanding marine, industrial applications. It bridges the performance gap between orthophthalic and isophthalic resins, offering improved durability without significantly increasing cost.
Well-suited for environments with exposure to moisture, or elevated temperatures, Terephthalic resin is often used in New Zealand for applications like GRP roofing sheets, storage tanks, FRP doors, and marine cabin structures.
Appearance: Clear to pale yellow liquid
Key Features
Better hydrolytic resistance than general-purpose (orthophthalic) resins
Higher strength-to-weight ratio for structural FRP applications
Good thermal performance for moderate heat environments
Compatible with hand lay-up, spray-up, and vacuum infusion methods
Typical Applications
FRP gratings, ducts, and structural panels
Tanks, hoods, and enclosures
Marine bulkheads, flooring, and non-deck structures
Ideal for moisture-prone environments
Storage & Handling
Store below 25°C in a tightly sealed container
Avoid direct sunlight and ignition sources
Use with appropriate MEKP catalyst and ensure controlled ventilation during processing
Shelf life: Up to 3 months under ideal conditions
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