Complete
Tooling System
Plug-to-Mold
The POLYMOLD System is a complete tooling solution designed to help manufacturers build durable, accurate, and cost-effective composite molds. Developed for the demands of marine, transportation, construction, industrial, and specialty composite applications, the POLYMOLD System combines high-performance tooling materials into a coordinated process that delivers reliable results from plug preparation to finished mold production. Whether you are producing a one-off prototype mold or tooling for repeated production runs, the POLYMOLD System provides the materials and technical support needed to create stable, long-lasting molds with exceptional surface quality.
Engineered for Composite Manufacturing
Successful composite parts begin with quality tooling. The POLYMOLD System is designed to provide:
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Excellent dimensional stability
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Superior surface finish quality
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Consistent mold performance
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Efficient processing and fabrication
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Long service life
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Compatibility with a wide range of composite manufacturing methods
Our tooling materials work together as a complete system, helping fabricators reduce variability and achieve repeatable results throughout the manufacturing process.
Why Choose POLYMOLD?
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Complete System Approach
All components are selected to work together, simplifying material selection and improving process consistency.
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Technical Expertise
Our team understands composite manufacturing and can help identify the right tooling materials for your application.
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Proven Performance
Built for demanding composite environments where mold quality directly impacts production efficiency and final part quality.
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Manufacturing Support
From initial tooling design to production implementation, Composite Essential Materials provides the guidance and support needed for successful mold construction.
Plug Preparation
POLYSEALER
Hybrid Polyester Resin
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Outstanding compatibility with the polystyrene
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Creates a barrier between the styrofoam and the mold putty
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Rapid Barcol progression
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Excellent glass wet-out
POLYSPRAY
Polyester-based Sprayable Putty
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Low shrinkage and low exotherm system
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Easy build up for consecutive layers
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Low density for easy CNC machining
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Excellent bonding to NORESTER 6779
POLYCORE
Extrudable Isophthalic Paste
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Low shrinkage to preserve the master dimensions
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Low exothermic peak to prevent surface distortion
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Easy to machine
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No dust or tear during machining
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Low VOC comparable with sprayable versions
POLYPRIMER
Sprayable Polyester Primer
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Excellent surface finish
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Good spreadability without run-off
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Good filling properties
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Outstanding sandability
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Good adhesion to mold putties/wood/tooling boards
Tooling Resin
POLYGEL
Vinyl Ester Tooling Gelcoat
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Substantial gloss-retention
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Good resistance to splitting
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Significant resistance to high temperatures
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Easy to degas
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Good elongation strength
POLYSKIN
Vinyl Ester Tooling Skin Coat
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Great in hand lay-up or spray-up application
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Creates a strong chemical barrier between the gelcoat and the tooling resin
POLYMOLD ISO
Isophthalic Tooling Resin
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Contains a color-change catalyst indicator
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Good wet-out
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Easy application
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Improved density
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No shrinkage
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No swelling effect
POLYMOLD VE
Vinyl Ester Tooling Resin
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Contains a color-change catalyst indicator
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Good wet-out
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Easy application
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Improved density
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No shrinkage
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No swelling effect
