1–2 hours for polyester, urethane, vinyl ester
≥8 hours cure + sanding for epoxy systems
Key Features
Ultra-low viscosity ensures thorough saturation of porous substrates, delivering a more complete and consistent seal.
Surfaces are ready for topcoating in 1–2 hours—often faster—improving throughput and reducing downtime.
Can be sprayed, brushed or rolled to suit any workshop process or project size.
Provides strong adhesion for lacquers, urethanes, polyester coatings, vinyl esters and most epoxy systems.
Creates a smooth, sealed foundation that enhances the performance of subsequent primers and topcoats.
Offers an HDT of 82°C (180°F), supporting higher processing temperatures.
Formulated to eliminate pinholes, porosity and print-through, Duratec primers build rapidly to deliver a fair, high-density surface ready for sanding and finishing.
High-solids, easy-to-sand formulations reduce labour time while delivering consistent results—ideal for commercial production environments.
Originally developed for high-performance marine applications, Duratec primers now support a wide range of industries requiring accuracy, stability, and long-term durability.
Suitable for polyester, vinyl ester, epoxy laminates, FRP moulds, plug construction, composite tooling, and repair substrates.
Duratec® Crystal Clear Sealer is ideal for:
Sealing porous or absorbent substrates such as wood, foam, fillers, MDF, model-making materials and composites
Enhancing adhesion for polyester, vinyl ester, urethane and lacquer systems
Preparing surfaces for epoxy coatings, especially when mechanical adhesion is required
Plug, pattern and model construction where surface uniformity and coating performance are essential
Repair and refinishing work on composite structures requiring a stable, sealed base
Improving surface quality before applying high-build primers and topcoats
Industrial and marine components requiring fast turnaround and consistent sealing performance
ATL Composites stocks a comprehensive range of Duratec primers and support materials, backed by technical expertise and industry-leading application knowledge. Our team can assist with product selection, processing recommendations and integration into marine, industrial or composite manufacturing workflows.
Key Features
Builds 1–3 mm (40–120 mils) wet-on-wet with minimal sag, enabling fast establishment of surface contour and fairing profiles.
Can be sprayed, brushed or rolled—ideal for workshops without spray facilities or where small areas require hand application.
Shapes cleanly using a knife, file, rasp or sandpaper, accelerating fairing and modelling tasks.
Air cures to an easily sandable surface, reducing turnaround time and improving production efficiency.
Provides an excellent base for surfacing primers and topcoats, reducing the risk of porosity or pinholes.
93°C (200°F) HDT helps prevent print-through, distortion or movement during post-cure or elevated-temperature processes.
Performs exceptionally on composites, MDF, GRP, wood, foam, plaster and clay.
Formulated to eliminate pinholes, porosity and print-through, Duratec primers build rapidly to deliver a fair, high-density surface ready for sanding and finishing.
High-solids, easy-to-sand formulations reduce labour time while delivering consistent results—ideal for commercial production environments.
Originally developed for high-performance marine applications, Duratec primers now support a wide range of industries requiring accuracy, stability, and long-term durability.
Suitable for polyester, vinyl ester, epoxy laminates, FRP moulds, plug construction, composite tooling, and repair substrates.
Duratec® Tan Base Primer is ideal for:
Fairing and shaping composite plugs and patterns
Building surface contour on models prior to surfacing primers
Shaping and profiling foam, wood, MDF, GRP, plaster or clay
Creating stable base layers for polyester surfacing primers or topcoats
Automotive, marine, industrial and architectural prototyping
Plug construction for large tooling projects
Hand or CNC shaping where easy cutting and sanding are required
Correcting surface irregularities before final finishing
ATL Composites stocks a comprehensive range of Duratec primers and support materials, backed by technical expertise and industry-leading application knowledge. Our team can assist with product selection, processing recommendations and integration into marine, industrial or composite manufacturing workflows.
Key Features
Transfers exceptional gloss to tooling gelcoat, reducing or eliminating sanding and buffing for molds and patterns.
Withstands temperatures up to 150°C (300°F), ideal for high-temperature tooling and interior applications.
Sprays smoothly through HVLP equipment with excellent flow and leveling.
Special additives improve wetting, reduce porosity, and help prevent fisheyes, pinholes and surface imperfections.
Cures to a non-wax, tack-free, high-gloss surface with minimal orange peel and excellent durability.
Designed for both direct in-mold coating and post-laminate topcoating applications.
Achieve a flawless, mirror-like surface without waxes or PVA — ideal for plug and mould production.
Rapid cure times and excellent sandability reduce labour, accelerate turnaround and improve workflow consistency.
Easily refurbish worn or low-gloss moulds, eliminate print-through and deliver a uniform final finish.
Advanced chemistry ensures reliable curing and gloss retention without additional sealing products.
Works seamlessly with polyester, vinyl ester and epoxy tooling systems, making it versatile for mixed-production environments.
High-build capability and strong filling properties allow quick repair of scratches, pinholes and surface defects.
With 40+ years of field use, Duratec® has become the benchmark finishing system for marine, automotive, defence, aerospace and industrial tooling.
Duratec® Vinyl Ester Hi-Gloss Topcoat is ideal for:
Plug & Pattern Topcoating
Producing high-gloss, print-free surfaces ready for mold construction.
Mold Resurfacing & Restoration
Restoring worn tooling surfaces to smooth, durable, high-gloss condition.
In-Mold Coating
Applying directly inside molds to achieve a polished finish from the tool.
High-Temperature Interior Components
Suitable for composite parts used above 200°F (93°C) due to high HDT.
Tooling & Composite Fabrication
Creating low-porosity, defect-resistant surfaces for tooling applications.
Industrial & Composite Coatings
Where a durable, high-gloss, hard surface is required.
ATL Composites stocks a comprehensive range of Duratec coating systems and support materials, backed by technical expertise and industry-leading application knowledge. Our team can assist with product selection, processing recommendations and integration into marine, industrial or composite manufacturing workflows.
Key Features
Formulated for extremely easy sanding, enabling faster progression to a smooth, polishable surface with minimal labour.
Produces a dense, uniform surface that reduces pinholes, porosity and preparation time before topcoating.
Builds up to 40 mils, allowing efficient elimination of surface defects, waviness and tool-path marks.
Sprays smoothly from HVLP guns with excellent flow and atomisation, reducing overspray and defects.
Minimises sandpaper use and sanding hours, reducing overall finishing costs and improving throughput.
Bonds to epoxy laminates, polyester and vinyl ester fiberglass, MDF, tooling board, plaster, clay, and other non-metal surfaces.
Heat distortion temperature of 180°F (83°C), suitable for tooling and pattern work exposed to elevated processing temperatures.
Formulated to eliminate pinholes, porosity and print-through, Duratec primers build rapidly to deliver a fair, high-density surface ready for sanding and finishing.
High-solids, easy-to-sand formulations reduce labour time while delivering consistent results—ideal for commercial production environments.
Originally developed for high-performance marine applications, Duratec primers now support a wide range of industries requiring accuracy, stability, and long-term durability.
Suitable for polyester, vinyl ester, epoxy laminates, FRP moulds, plug construction, composite tooling, and repair substrates.
Duratec® Grey EZ Sanding Primer is ideal for a wide range of plug, pattern and composite surfacing requirements, including:
Surfacing composite plugs and patterns prior to mould construction
Tooling board finishing, including polyurethane and epoxy tooling boards
MDF, plaster, clay and model-building substrates requiring a smooth, polishable coating
FRP laminates made with polyester, vinyl ester or epoxy resins
Fairing and refining surface profiles before high-build coating or topcoat application
Eliminating porosity, tool-path marking and surface waviness on milled surfaces
Preparing parts for high-gloss polishing or paint systems in marine, automotive and industrial composites
Rapid surface correction where quick build and easy sanding are essential
ATL Composites stocks a comprehensive range of Duratec primers and support materials, backed by technical expertise and industry-leading application knowledge. Our team can assist with product selection, processing recommendations and integration into marine, industrial or composite manufacturing workflows.
Key Features
Rapid film build allows users to achieve a smooth, defect-free surface with fewer passes.
Sands cleanly with minimal clogging, enabling fast progression to fine grits and final polishing.
Effectively fills surface profile, pinholes and minor imperfections to achieve a uniform finish.
Maintains surface accuracy during cure and post-cure, ideal for plug and mould construction.
Can be sprayed with HVLP or gelcoat systems and used both in-mould or on finished substrates.
Bonds reliably to composite tooling, patterns, FRP laminates and matched Duratec surfacing products.
Formulated to eliminate pinholes, porosity and print-through, Duratec primers build rapidly to deliver a fair, high-density surface ready for sanding and finishing.
High-solids, easy-to-sand formulations reduce labour time while delivering consistent results—ideal for commercial production environments.
Originally developed for high-performance marine applications, Duratec primers now support a wide range of industries requiring accuracy, stability, and long-term durability.
Suitable for polyester, vinyl ester, epoxy laminates, FRP moulds, plug construction, composite tooling, and repair substrates.
Plug and pattern surfacing
Composite mould preparation
Surface filling and profile correction
Fairing of tooling, FRP components and composite assemblies
High-gloss topcoat preparation for marine, industrial and automotive parts
In-mould surfacing when a smooth, polishable finish is required
ATL Composites stocks a comprehensive range of Duratec primers and support materials, backed by technical expertise and industry-leading application knowledge. Our team can assist with product selection, processing recommendations and integration into marine, industrial or composite manufacturing workflows.
Minimum: 155,000 cps
Maximum: 230,000 cps
(Brookfield viscometer, #6 spindle @ 4 rpm, 70–75°F)
80% at 40 microns
17% > 78 microns
3% > 154 microns
Key Features
Aggressively removes sanding scratches, oxidation, and surface contamination.
When paired with the correct wool pad, produces a clean, smooth, high-quality finish.
Requires roughly half the amount of product compared to traditional buffing compounds.
Environmentally friendly, easy to clean, and stays cool during polishing with added water mist.
Dab on, mist with water, and buff—simple to control for consistent, repeatable results.
Uses a proprietary abrasive system with no silica content.
Safe for gelcoat, composite surfaces, Duratec primers/topcoats, metal and painted surfaces.
Formulated to deliver true clarity and high-gloss finishes with minimal colour shift or haze, ensuring premium visual presentation.
Rapid-build coatings that can be sanded and polished to a flawless, ultra-smooth surface ideal for moulding or finishing workflows.
Deep substrate wetting improves adhesion, reduces porosity, and enhances the performance of subsequent finishing layers.
Rapid gelling and quick sanding times help fabricators accelerate plug and pattern preparation while maintaining surface accuracy.
Compatible with polyester, vinyl ester and most epoxy systems, depending on product selection—supporting a broad range of manufacturing processes.
High thermal stability and strong mechanical properties deliver long-lasting surface integrity for industrial and marine applications.
Aqua-Buff® 1000F is ideal for:
Removing sanding scratches on plugs, moulds, patterns, composite panels and FRP parts
Aggressive oxidation removal on gelcoat and painted surfaces
Restoring clarity and shine to marine components, hulls, decks, and topsides
Cleaning and brightening metal surfaces
Polishing composite tooling surfaces prior to mold release
Preparing surfaces after Duratec topcoats or primers
General buffing and restoration work across industrial, marine, automotive and composite sectors
Suitable for use with:
Tufted wool cutting pads (recommended)
Rotary buffers (~2400 rpm for compounding)
Water-mist lubrication method for cooling and extended buffing time
ATL Composites stocks a comprehensive range of Duratec coating systems and support materials, backed by technical expertise and industry-leading application knowledge. Our team can assist with product selection, processing recommendations and integration into marine, industrial or composite manufacturing workflows.
Viscosity: 2200–2600 cps (Brookfield RVF, Spindle #5, 2.5 rpm)
Thixotropic Index: Minimum 5.5
Gel Time: 15–20 minutes (100 g sample, 2% MEKP)
Weight: 11.20 lb/gal
Coverage: 100–115 sq ft at 10 mil thickness
Colour Options: White – 1794-006
Key Features
Formulated to eliminate pinholes, porosity and print-through, Duratec primers build rapidly to deliver a fair, high-density surface ready for sanding and finishing.
High-solids, easy-to-sand formulations reduce labour time while delivering consistent results—ideal for commercial production environments.
Originally developed for high-performance marine applications, Duratec primers now support a wide range of industries requiring accuracy, stability, and long-term durability.
Suitable for polyester, vinyl ester, epoxy laminates, FRP moulds, plug construction, composite tooling, and repair substrates.
Duratec® Primers are trusted across industries:
Marine hulls, decks & superstructures
Composite plugs, moulds & tooling surfaces
Automotive panels & component refinishing
Industrial composite parts
Repairs, fairing and surface correction
High-gloss, colour-critical topcoat preparation
Whether you’re constructing a large tooling plug for advanced composite manufacturing or refinishing a performance marine vessel, Duratec® offers the reliability and speed demanded by professional fabricators.
ATL Composites stocks a comprehensive range of Duratec primers and support materials, backed by technical expertise and industry-leading application knowledge. Our team can assist with product selection, processing recommendations and integration into marine, industrial or composite manufacturing workflows.
Key Features
Catalyses rapidly with BPO paste; sandable in as little as 20–30 minutes for accelerated repairs.
HDT of 150°C (300°F) ensures stability in high-temperature or high-exotherm environments.
Ultra-fine fillers reduce air entrapment, producing dense, strong, pinhole-free repairs.
Can be trowelled up to ¼ inch per application; thicker builds possible with layered application.
Cures to a tough, easily sanded and polished finish for seamless mold blending.
Easy to spread, shape, and tool for precise contouring of repair areas.
Formulated to meet strict performance standards for dependable repair outcomes.
Easy-to-apply formulas that spread cleanly and build thickness quickly for efficient fairing.
Achieve rapid turnaround times with putties that cure quickly and sand to a fine, uniform finish.
Formulated to maintain profile accuracy, reducing rework and improving final surface quality.
Bonds reliably to composite tooling substrates including polyester, vinyl ester and epoxy.
Perfect for filling pinholes, repairing scratches, eliminating print-through and correcting minor surface distortions.
Designed as part of a complete finishing system, ensuring optimal gloss, durability and long-term performance.
Duratec® Vinyl Ester Mold Repair Putty is ideal for:
Repairing cracks, chips, dents and damage in composite molds and tooling
Resurfacing worn or degraded mold areas to restore gloss and accuracy
Rebuilding mold radii, edges, and features prior to polishing
Correcting imperfections in polyester, vinyl ester and most epoxy composite molds
High-temperature tooling repairs where heat resistance is essential
Production line mold maintenance requiring fast turnaround and minimal downtime
Fairing and contour restoration on large or complex mold surfaces
Pre-finish shaping before polishing or application of Duratec Hi-Gloss topcoats
ATL Composites stocks a comprehensive range of Duratec coating systems and support materials, backed by technical expertise and industry-leading application knowledge. Our team can assist with product selection, processing recommendations and integration into marine, industrial or composite manufacturing workflows.
| Product | Brand | Weight | Material Type | Width M | Length M |
|---|---|---|---|---|---|
| Peel Ply White/Red Trace | ATL | 85 gsm | Nylon | 1.3 | 10 | 100 |
| Heavy Weight Peel Ply/Blue Trace | ATL | 105 gsm | Nylon | 1.3 | 10 | 50 | 100 |
| Product | Brand | Width mm | Length M |
|---|---|---|---|
| Econobleed An economical Breather/Bleeder material. Can be used for all resin types. White in color.. | ATL | 1450 | 24 |
| Airweave® N4 is a good breather for low pressure cures. It conforms well and can be used as a bleeder at any pressure. | AIRTECH | 1520 | 91 |
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