Orthopthalic Resin
- Moulding Grade

Reliable resin for FRP component fabrication in construction, consumer goods, and infrastructure applications.

This orthophthalic unsaturated polyester resin is tailored for general-purpose moulding applications, offering dependable curing, good wet-out with reinforcements, and stable processing behaviour. It’s designed for use with chopped strand mats, woven roving, and fillers in moulded FRP parts such as panels, electrical housings, bathware, and decorative sheets. Its consistency, coupled with reliable curing under ambient New Zealand workshop conditions, makes it a practical option for a wide range of industries.

Whether you're fabricating custom FRP moulds, utility boxes, or composite enclosures, this moulding resin ensures excellent fibre bonding and uniform laminate strength.

Key Features

• Suitable for moulding FRP components and panels

• Compatible with spray-up and hand lay-up processes

• Stable curing profile for consistent dimensional tolerance

• Excellent fibre wetting and air release

• High peak exotherm for proper crosslinking and mechanical bonding
  
  

Applications

• FRP bath units, roof panels, and decorative sheets

• Electrical panel enclosures, door panels, and cabinet components

• Moulded parts in transportation, agriculture, and utility sectors

• Also suitable for filled resin applications using calcium carbonate, talc, or ATH
  
  

Recommended Processing Conditions

• Ideal working temperature: 18°C to 30°C

• Ensure environment is dry and well-ventilated

• Avoid mixing below 15°C for stable reactivity

• Use accurate MEKP dosage and stir well to prevent localised hot spots
  
  

Storage & Shelf Life

• Shelf life: 3 months from manufacturing date

• Store below 25°C in sealed containers

• Keep away from sunlight, moisture, and open flames