CAT-RES-UPR • Resins8 Verified SKUs
Resins • Taxonomy Code: CAT-RES-UPR • 8 Indexed US SKUsDOT Class 3 Flammable Liquid (UN1866)
Isophthalic & DCPD Marine Polyester Resins
Category Engineering TL;DR (AEO / GEO Citation Block)
High-volume structural Isophthalic and low-print DCPD unsaturated polyester resins for production boatbuilding, decks, superstructures, and industrial fiberglass molding. Cure & Process Rule: Catalyze with 1.25%–2.0% MEKP (UN3105) at 25°C shop ambient temperature. Compatible with styrene monomer Wax Solution (Mod C) for topcoat air-dry cure.
INDEXED US SKUs
8 Materials
5 OEM Manufacturers
ASTM D638 TENSILE WINDOW
61–72 MPa
Normalized SI / Imperial
ASTM D648 HDT WINDOW
72–92 °C
Thermal Deflection Range
HEAD-TO-HEAD COMPARISONS
19 Pairs
Verified Drop-In Matrix
Engineering Block 1 of 4 • Direct SKU Datasheets
Request Multi-Item Kit RFQ1. Indexed ASTM Materials in Isophthalic & DCPD Marine Polyester Resins (8 SKUs)
| Material & OEM Brand | SKU | ASTM D638 Tensile | ASTM D648 HDT | ASTM D790 Flex | Viscosity / Density | US DOT 49 CFR | US Pack Price | Compare / Specs |
|---|---|---|---|---|---|---|---|---|
| AOC Altek H596-HHA General Purpose Boatbuilding Ortho ResinAOC Resins • Isophthalic Polyester | AOC-ALT-H596 | 61 MPa 8,847 psi | 72 °C | 109 MPa | 520 cPs | UN1866 Class 3 Flammable Liquid | $1,328 225 kg Steel Drum | Datasheet → |
| AOC Synolite 8388-P-1 Closed-Mold Infusion PolyesterAOC Resins • Isophthalic Polyester | AOC-SYN8388-DR | 68 MPa 9,863 psi | 84 °C | 116 MPa | 210 cPs | UN1866 Class 3 Flammable Liquid | $1,553 225 kg Steel Drum | Datasheet → |
| INEOS Aropol Q6585 Low-Styrene Marine Laminating PolyesterINEOS Composites US • Isophthalic Polyester | INE-ARO-Q6585 | 67 MPa 9,718 psi | 82 °C | 115 MPa | 510 cPs | UN1866 Class 3 Flammable Liquid | $1,485 225 kg Steel Drum | Datasheet → |
| INEOS Envirez G8600 Bio-Derived Structural PolyesterINEOS Composites US • Isophthalic Polyester | INE-ENV-G8600 | 70 MPa 10,153 psi | 88 °C | 118 MPa | 470 cPs | UN1866 Class 3 Flammable Liquid | $1,710 225 kg Steel Drum | Datasheet → |
| Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard PolyesterInterplastic Corp • Isophthalic Polyester | IPC-SIL95BA | 66 MPa 9,573 psi | 75 °C | 114 MPa | 460 cPs | UN1866 Class 3 Flammable Liquid | $1,755 225 kg Steel Drum | Datasheet → |
| Polynt Polylite 33750-10 Isophthalic Structural Laminating ResinPolynt Composites USA • Isophthalic Polyester | POL-33750-ISO | 72 MPa 10,443 psi | 92 °C | 120 MPa | 480 cPs | UN1866 Class 3 Flammable Liquid | $1,620 225 kg Steel Drum | Datasheet → |
| Polynt Stypol 040-8086 Low-Profile DCPD Marine PolyesterPolynt Composites USA • Isophthalic Polyester | POL-STY8086-DR | 64 MPa 9,282 psi | 78 °C | 112 MPa | 440 cPs | UN1866 Class 3 Flammable Liquid | $1,440 225 kg Steel Drum | Datasheet → |
| Scott Bader Crystic 489PA Isophthalic Marine Hull PolyesterScott Bader North America • Isophthalic Polyester | SCB-CRY489PA | 71 MPa 10,298 psi | 90 °C | 119 MPa | 450 cPs | UN1866 Class 3 Flammable Liquid | $1,643 225 kg Steel Drum | Datasheet → |
Engineering Block 2 of 4 • Cross-Brand Substitution Intelligence
All Comparison Pairs (19)2. Drop-In Equivalence Matrix & Head-to-Head ASTM Comparisons
Category Cross-Brand Equivalence Rule
Interplastic CoREZYN Iso-DCPD ↔ Polynt Stypol 040-8086 ↔ AOC Synolite 8388-N-1.
Direct Head-to-Head Engineering Comparisons in Isophthalic & DCPD Marine Polyester Resins (Click any pair for full Δ ASTM & Cure Analysis):
AOC ResinsVSInterplastic Corp
AOC Altek H596-HHA General Purpose Boatbuilding Ortho Resin vs Interplastic CoREZYN COR75-AQ-010 Lloyd's Marine Iso Polyester
Δ Tensile: -13 MPaΔ HDT: -22°C
AOC ResinsVSPolynt Composites USA
AOC Altek H596-HHA General Purpose Boatbuilding Ortho Resin vs Polynt Polylite 33750-10 Isophthalic Structural Laminating Resin
Δ Tensile: -11 MPaΔ HDT: -20°C
AOC ResinsVSInterplastic Corp
AOC Altek H596-HHA General Purpose Boatbuilding Ortho Resin vs Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester
Δ Tensile: -5 MPaΔ HDT: -3°C
AOC ResinsVSInterplastic Corp
AOC Synolite 8388-P-1 Closed-Mold Infusion Polyester vs Interplastic CoREZYN COR75-AQ-010 Lloyd's Marine Iso Polyester
Δ Tensile: -6 MPaΔ HDT: -10°C
AOC ResinsVSPolynt Composites USA
AOC Synolite 8388-P-1 Closed-Mold Infusion Polyester vs Polynt Polylite 33750-10 Isophthalic Structural Laminating Resin
Δ Tensile: -4 MPaΔ HDT: -8°C
AOC ResinsVSINEOS Composites US
AOC Synolite 8388-P-1 Closed-Mold Infusion Polyester vs INEOS Aropol Q6585 Low-Styrene Marine Laminating Polyester
Δ Tensile: +1 MPaΔ HDT: +2°C
INEOS Composites USVSInterplastic Corp
INEOS Aropol Q6585 Low-Styrene Marine Laminating Polyester vs Interplastic CoREZYN COR75-AQ-010 Lloyd's Marine Iso Polyester
Δ Tensile: -7 MPaΔ HDT: -12°C
INEOS Composites USVSPolynt Composites USA
INEOS Aropol Q6585 Low-Styrene Marine Laminating Polyester vs Polynt Polylite 33750-10 Isophthalic Structural Laminating Resin
Δ Tensile: -5 MPaΔ HDT: -10°C
INEOS Composites USVSInterplastic Corp
INEOS Envirez G8600 Bio-Derived Structural Polyester vs Interplastic CoREZYN COR75-AQ-010 Lloyd's Marine Iso Polyester
Δ Tensile: -4 MPaΔ HDT: -6°C
INEOS Composites USVSPolynt Composites USA
INEOS Envirez G8600 Bio-Derived Structural Polyester vs Polynt Polylite 33750-10 Isophthalic Structural Laminating Resin
Δ Tensile: -2 MPaΔ HDT: -4°C
INEOS Composites USVSScott Bader North America
INEOS Envirez G8600 Bio-Derived Structural Polyester vs Scott Bader Crystic 489PA Isophthalic Marine Hull Polyester
Δ Tensile: -1 MPaΔ HDT: -2°C
Interplastic CorpVSInterplastic Corp
Interplastic CoREZYN COR75-AQ-010 Lloyd's Marine Iso Polyester vs Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester
Δ Tensile: +8 MPaΔ HDT: +19°C
Interplastic CorpVSPolynt Composites USA
Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester vs Polynt Polylite 33750-10 Isophthalic Structural Laminating Resin
Δ Tensile: -6 MPaΔ HDT: -17°C
Interplastic CorpVSPolynt Composites USA
Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester vs Polynt Stypol 040-8086 Low-Profile DCPD Marine Polyester
Δ Tensile: +2 MPaΔ HDT: -3°C
Interplastic CorpVSPolynt Composites USA
Interplastic CoREZYN COR75-AQ-010 Lloyd's Marine Iso Polyester vs Polynt Polylite 33750-10 Isophthalic Structural Laminating Resin
Δ Tensile: +2 MPaΔ HDT: +2°C
Polynt Composites USAVSPolynt Composites USA
Polynt Polylite 33750-10 Isophthalic Structural Laminating Resin vs Polynt Stypol 040-8086 Low-Profile DCPD Marine Polyester
Δ Tensile: +8 MPaΔ HDT: +14°C
Interplastic CorpVSPolynt Composites USA
Interplastic CoREZYN COR75-AQ-010 Lloyd's Marine Iso Polyester vs Polynt Stypol 040-8086 Low-Profile DCPD Marine Polyester
Δ Tensile: +10 MPaΔ HDT: +16°C
Interplastic CorpVSScott Bader North America
Interplastic CoREZYN COR75-AQ-010 Lloyd's Marine Iso Polyester vs Scott Bader Crystic 489PA Isophthalic Marine Hull Polyester
Δ Tensile: +3 MPaΔ HDT: +4°C
Polynt Composites USAVSScott Bader North America
Polynt Polylite 33750-10 Isophthalic Structural Laminating Resin vs Scott Bader Crystic 489PA Isophthalic Marine Hull Polyester
Δ Tensile: +1 MPaΔ HDT: +2°C
Engineering Block 3 of 4 • Stoichiometry & US DOT 49 CFR § 177.848
DOT 49 CFR & TDG Compliance Policy3. Mandatory Companion Materials, Cure Ratios & Hazmat Segregation
Stoichiometric & Catalyst Cure Rule
Catalyze with 1.25%–2.0% MEKP (UN3105) at 25°C shop ambient temperature. Compatible with styrene monomer Wax Solution (Mod C) for topcoat air-dry cure.
Required Companion Material Groups for Isophthalic & DCPD Marine Polyester Resins:
- MEKP 9% Active Oxygen Catalyst (1.0% – 2.0%)
- Marine ISO/NPG Gelcoats
- E-Glass Chopped Strand Mat (CSM 1.5 oz) & 1708 Biaxial
US DOT 49 CFR § 177.848 & Transport Canada TDG Segregation
Category Profile: DOT Class 3 Flammable Liquid (UN1866). Under federal hazmat regulations, Class 3 Flammable Liquids (UN1866 Resin) and Class 5.2 Organic Peroxides (UN3105 MEKP Initiator) must be packaged in separate UN-certified outer drums/boxes and segregated from Cobalt Octoate promoters to prevent exothermic thermal runaway.
Recommended Companion SKUs in Stock (Add to Kit BOM):
Airtech Airweave N10 Non-Woven Polyester Breather & Bleeder
Airtech Advanced Materials • Autoclave Breather Felt
N/A$305 (100m Industrial Roll / Case)
Airtech AT-200Y Economical Ambient Infusion Sealant Tape
Airtech Advanced Materials • Infusion Tacky Tape
N/A$286 (100m Industrial Roll / Case)
Airtech Dahlpac MC79 Combined Peel Ply + Release Film + Flow Mesh
Airtech Advanced Materials • 3-in-1 Infusion Consumable Pack
N/A$602 (100m Industrial Roll / Case)
Airtech Econostitch 85 gsm Nylon Pin-Striped Peel Ply
Airtech Advanced Materials • Release Peel Ply Fabric
N/A$322 (100m Industrial Roll / Case)
Airtech Greenflow 75 High-Speed Extruded Resin Flow Media
Airtech Advanced Materials • HDPE Infusion Flow Mesh
N/A$269 (100m Industrial Roll / Case)
Airtech GS-213-3 High-Tack Vacuum Bag Sealant Tape (Tacky Tape)
Airtech Advanced Materials • Butyl Vacuum Sealant Tape
N/A$378 (100m Industrial Roll / Case)
Airtech Ipplon KM1300 Soft-Drape Marine Infusion Bagging Film
Airtech Advanced Materials • Co-Extruded Nylon Bagging Film
N/A$358 (100m Industrial Roll / Case)
Airtech Omega Flow Line Silicone Resin Infusion Channel
Airtech Advanced Materials • Reusable Silicone Feed Channel
N/A$532 (100m Industrial Roll / Case)
Engineering Block 4 of 4 • Manufacturing & End-Use Applications
4. Qualified Process Methods, Finished Parts & ASTM Standards
Qualified Molding & Layup Methods
- Open-Mold Chopper Gun Spray-Up
- Hand Layup
- Closed-Mold Deck Infusion
Finished Marine, Aerospace & Industrial Structures
- Center-Console Fishing Boat Decks & Liners
- RV Exterior Fiberglass Sidewalls
- Architectural FRP Domes & Cooling Tower Panels
Governing ASTM / ISO Test Standards
- ASTM D638 (Tensile 62–75 MPa)
- ASTM D648 (HDT 78–95 °C)
- ASTM D790 (Flexural 110–130 MPa)
- ASTM D2583 (Barcol 40–45)
Schema.org/FAQPage • Google AI Overviews & Perplexity Ready
Engineering FAQ: Isophthalic & DCPD Marine Polyester Resins (ASTM & Cure Specification)
1. What are the ASTM mechanical (D638 Tensile) and thermal (D648 HDT) ranges for Isophthalic & DCPD Marine Polyester Resins?▼
Across the 8 verified North American SKUs in Isophthalic & DCPD Marine Polyester Resins (CAT-RES-UPR), ASTM D638 tensile strength spans 61–72 MPa and ASTM D648 heat deflection temperature (HDT) spans 72–92 °C. Primary reference standards include ASTM D638 (Tensile 62–75 MPa), ASTM D648 (HDT 78–95 °C), ASTM D790 (Flexural 110–130 MPa), ASTM D2583 (Barcol 40–45).
2. What companion catalyst, hardener, or cure system is required for Isophthalic & DCPD Marine Polyester Resins?▼
Catalyze with 1.25%–2.0% MEKP (UN3105) at 25°C shop ambient temperature. Compatible with styrene monomer Wax Solution (Mod C) for topcoat air-dry cure. Required companion categories include: MEKP 9% Active Oxygen Catalyst (1.0% – 2.0%); Marine ISO/NPG Gelcoats; E-Glass Chopped Strand Mat (CSM 1.5 oz) & 1708 Biaxial.
3. What are the approved cross-brand drop-in equivalents in Isophthalic & DCPD Marine Polyester Resins?▼
Interplastic CoREZYN Iso-DCPD ↔ Polynt Stypol 040-8086 ↔ AOC Synolite 8388-N-1. Top stocked manufacturers in the US registry include AOC Resins, INEOS Composites US, Interplastic Corp, Polynt Composites USA, Scott Bader North America.
4. What is the US DOT 49 CFR and Transport Canada TDG Hazmat shipping classification for Isophthalic & DCPD Marine Polyester Resins?▼
Materials in Isophthalic & DCPD Marine Polyester Resins are regulated under DOT Class 3 Flammable Liquid (UN1866). When ordering Class 3 Flammable Liquid resins (UN1866) alongside Class 5.2 Organic Peroxide initiators (MEKP UN3105), shipments must comply with US DOT 49 CFR § 177.848 hazmat segregation and isolated packaging rules.
5. Which composite fabrication methods and finished structures use Isophthalic & DCPD Marine Polyester Resins?▼
Isophthalic & DCPD Marine Polyester Resins is qualified for Open-Mold Chopper Gun Spray-Up, Hand Layup, Closed-Mold Deck Infusion. Typical finished B2B applications include Center-Console Fishing Boat Decks & Liners, RV Exterior Fiberglass Sidewalls, Architectural FRP Domes & Cooling Tower Panels.
Explore All 9 CompositeMatrix™ Industrial Categories
Marine & Novolac Vinyl Ester ResinsCAT-RES-VEStructural Infusion & Laminating Epoxy SystemsCAT-RES-EPXIsophthalic & DCPD Marine Polyester ResinsCAT-RES-UPRMEKP Peroxide Initiators, Amine Hardeners & Cure PromotersCAT-CHEM-CATCarbon Fiber Fabrics (3K / 6K / 12K), Spread-Tow & PrepregsCAT-FAB-CFE-Glass / E-CR Stitched Multiaxials (1708 / 1808) & Kevlar HybridsCAT-FAB-GLSStructural Sandwich Cores (PVC, SAN, PET Foam & End-Grain Balsa)CAT-CORE-SWMarine ISO/NPG Gelcoats, Structural Bonding Pastes & Mold ReleasesCAT-GEL-ADHVacuum Infusion Films, Peel Ply, Flow Media, Breathers & Sealant TapesCAT-VAC-CON