Plexus® Adhesive Alternatives

MA300 is a two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies. It mixes at a 1:1 ratio, has a work time of 3-6 minutes, and is available in 50 ml and 400 ml cartridges.

• Mix Ratio: 1:1
• Work Life: 3 - 6 minutes
• Handling Strength: 12 - 15 minutes

1. MMA 300 High Performance Methacrylate Adhesive - 5 Minute Open Time
2. MMA 310 High Performance Methacrylate Adhesive - 10 Minute Open Time
3. ASI MP 55300 General Purpose Methacrylate (MMA) Adhesive

MA310 is a two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies. Combined at a 1:1 ratio, MA310 is a medium-curing adhesive system. MA310 offers a combination of high strength and stiffness as well as the ability to bond a wide range of materials. It is available in 50 ml and 400 ml cartridges.

• Mix Ratio: 1:1
• Work Life: 15 - 18 minutes
• Handling Strength: 45 - 55 minutes

1. MMA 310 High Performance Methacrylate Adhesive - 10 Minute Open Time
2. ASI MP 55310 High Performance MMA Methacrylate Adhesive

MA320 is a two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies1. Combined at a 10:1 ratio, MA320 is an excellent choice for composite bonding applications in the transportation, marine, wind energy, and engineering construction industries because of its high strength and durability. Additionally, it generally requires minimal surface preparation.

• Mix Ratio: 10:1
• Work Life: 8 - 12 minutes
• Handling Strength: 25 - 30 minutes

1. MMA 320 Toughened Impact Resistant MMA Adhesive - 10 Minute Open Time
2. ASI MP 55320 High Performance Methacrylate (MMA)

MA330 is a two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies1. Combined at a 1:1 ratio, MA330 has a working time of 15 to 18 minutes and achieves approximately 75% of ultimate strength in 30 to 45 minutes at 74°F (23°C). MA330 offers a combination of high strength and stiffness as well as the ability to bond a wide range of materials.

• Mix Ratio: 1:1
• Work Life: 15 - 18 minutes
• Handling Strength: 30 - 45 minutes

1. MMA 330 High Performance Methacrylate Adhesive - 20 Minute Open Time
2. 3M DP820 Scotch-Weld Acrylic Adhesive

MA420 is a two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies. Combined at a 10:1 ratio, MA420 is a rapid-curing system. Plexus® MA420 is the standard choice for composite bonding applications in the transportation industry because it requires virtually no surface preparation. In addition, this product provides a unique combination of excellent fatigue endurance, outstanding impact resistance, and superior toughness.

• Mix Ratio: 10:1
• Work Life: 4 - 6 minutes
• Handling Strength: 18 - 22 minutes

1. MMA 420 Toughened Impact Resistant MMA Adhesive - 5 Minute Open Time
2. 3M DP8405NS Structural Acrylic Adhesive
3. ASI MP 55420 High Performance Methacrylate MMA Adhesive

MA422 is a two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies. Combined at a 10:1 ratio, MA422 has a working time of 17 to 24 minutes and achieves approximately 75% of ultimate strength in 35 to 40 minutes at 74°F (23°C).

• Mix Ratio: 10:1
• Work Life: 17 - 24 minutes
• Handling Strength: 35 - 40 minutes

1. Infinity Bond MMA 422 Slow Set High Strength Methacrylate Adhesive

• Mix Ratio: 1:1
• Work Life: 8 - 12 minutes
• Handling Strength: 65 - 75 minutes

1. Infinity Bond EP H3500 All Purpose Non Sag Epoxy

Two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies. This product has been designed for use on large structures where a moderate open time product is needed. Plexus MA530 may be used for composite and metal bonding for small to large structures.

• Mix Ratio: 1:1
• Work Life: 30 – 40 mins
• Handling Strength: 90 - 160 mins

1. MMA 530 Very Long Open Time Methacrylate Adhesive

Two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies. Designed for use on large structures where a very long open time product is needed. Plexus MA560-1 is commonly used for bonding stringers and liners into large fiberglass boats with bond lines up to 1.00 in. (25 mm) thick.

• Mix Ratio: 1:1
• Work Life: 55 – 70 mins
• Handling Strength: 220 - 240 mins

1. Infinity Bond MMA 560 Methacrylate Adhesive 50-65 Minute Open Time

Two-part methacrylate adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies. MA590 has a working time of 90 to 105 minutes and achieves approximately 500 and 1000 psi in 5 and 6.5 hours, respectively, at 74°F (23°C).

• Mix Ratio: 1:1
• Work Life: 90 – 105 mins
• Handling Strength: 250 - 380 mins

1. Infinity Bond MMA 590 Methacrylate Adhesive 70 to 100 Minute Open Time