ITW Plexus MA310 Structural Methacrylate Adhesive
ITW Plexus MA310 Structural Methacrylate Adhesive by ITW Performance Polymers is a verified Methacrylate Structural Adhesive with ASTM D638 Tensile 20.7 MPa, ASTM D648 HDT 78 °C, and US DOT Class 3 Flammable Liquid (UN1133).
Normalized ASTM Technical Parameters (SI & US Imperial)
pgvector HNSW Indexed| ASTM D638 Tensile Strength | 20.7 MPa (3,002 psi) |
| ASTM D648 Heat Deflection Temp (HDT) | 78 °C (172 °F) |
| ASTM D790 Flexural Strength | 34.5 MPa |
| ASTM D2583 Barcol Hardness | 35 |
| ASTM D2196 Brookfield Viscosity @ 25°C | 125000 cPs |
| ASTM D792 Specific Density | 980 kg/m³ |
| US DOT 49 CFR & Canada TDG Hazmat Class | Class 3 Flammable Liquid • UN: UN1133 |
| Unit Price & B2B Pack Configuration | $28.4/kg • $540 per 19 L Pail (5 Gal Drum) |
Compare ITW Plexus MA310 Structural Methacrylate Adhesive vs. Drop-In Equivalents
Published TDS Drop-In Equivalents: ITW Plexus MA300, Scott Bader Crestabond M1-20. Select any verified peer below for a complete side-by-side ASTM D638/D648 delta, cure stoichiometry, and US DOT 49 CFR comparison:
Required Companion Cure Stack, Processes & Applications
Category Hub: Marine ISO/NPG Gelcoats, Structural Bonding Pastes & Mold Releases →Mandatory Companion Materials:
Compatible Fabrication Processes:
Primary Marine, Aerospace & Industrial Applications:
Engineering FAQ: ITW Plexus MA310 Structural Methacrylate Adhesive (ASTM & Cure Specification)
1. What are the ASTM D638 Tensile Strength and ASTM D648 HDT specifications of ITW Plexus MA310 Structural Methacrylate Adhesive?▼
ITW Plexus MA310 Structural Methacrylate Adhesive by ITW Performance Polymers (SKU: ITW-MA310-50GAL) provides an ASTM D638 Tensile Strength of 20.7 MPa (3,002 psi), ASTM D648 Heat Deflection Temperature (HDT) of 78 °C (172 °F), ASTM D790 Flexural Strength of 34.5 MPa, and Brookfield viscosity of 125000 cPs.
2. What catalyst or hardener and mix ratio are required for ITW Plexus MA310 Structural Methacrylate Adhesive?▼
Required companion cure and process materials for ITW Plexus MA310 Structural Methacrylate Adhesive include: Norox MEKP-925H Low-Hydrogen Peroxide Initiator (1.8%), Vinyl Ester Skin-Coat Resin, Divinycell / Corecell Sandwich Cores. Category Engineering Rule: GELCOAT THICKNESS & CURE: Spray at 18–22 mils (450–550 microns) wet film thickness using 1.8% low-water MEKP. Must reach tack-free cure before applying skin-coat laminate.
3. What are the verified US drop-in equivalents for ITW Plexus MA310 Structural Methacrylate Adhesive?▼
Approved cross-referenced drop-in equivalents for ITW Plexus MA310 Structural Methacrylate Adhesive in the North American ASTM index include ITW Plexus MA300, Scott Bader Crestabond M1-20. Direct head-to-head engineering comparisons are available against ITW Plexus MA300 Rapid-Cure Methacrylate Structural Adhesive, Scott Bader Crestabond M1-20 Primerless Methacrylate Adhesive, 3M Scotch-Weld DP420 Toughened Two-Part Epoxy Adhesive.
4. What is the US DOT 49 CFR and Transport Canada TDG Hazmat classification for ITW Plexus MA310 Structural Methacrylate Adhesive?▼
ITW Plexus MA310 Structural Methacrylate Adhesive is classified under US DOT 49 CFR and Transport Canada TDG as Class 3 Flammable Liquid (UN Number: UN1133). It ships from regional US hubs in Danvers, MA, Tampa, FL, Mira Loma, CA with a typical lead time of 1-3 Days. When ordered with Class 5.2 Organic Peroxides (MEKP UN3105), 49 CFR § 177.848 hazmat segregation applies.
5. Which composite molding methods (Vacuum Infusion, Hand Layup, RTM) suit ITW Plexus MA310 Structural Methacrylate Adhesive?▼
ITW Plexus MA310 Structural Methacrylate Adhesive is qualified for Airless / HVLP Spray, Pneumatic Meter-Mix Bonding, Mold Tooling. Primary industrial applications include Hull-to-Deck Structural Bonding, Stringer Grid Bonding without Grinding.
Marine ISO/NPG Gelcoats, Structural Bonding Pastes & Mold Releases (CAT-GEL-ADH)
UV-stabilized ISO/NPG marine gelcoats, vinyl ester barrier coats, methacrylate structural adhesives (Plexus), core-bonding putties, and semi-permanent mold release systems.
Explore All CAT-GEL-ADH Materials →Authorized US Distributors Stocking This SKU
CompositeMatrix ASTM Index (2026). "ITW Plexus MA310 Structural Methacrylate Adhesive (ITW-MA310-50GAL) Normalized Technical Datasheet." Retrieved from https://compositematrix.com/materials/itw-plexus-ma310-structural-methacrylate-adhesive