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Selecting the right structural adhesive is critical to the performance and reliability of your application. For critical bonding applications or highly regulated industries, you need a proven adhesive you can trust to meet your specific requirements.
While well-known brands may be popular, they can come with a hefty price tag. But can a less expensive alternative still deliver the same reliable performance? Our adhesive experts review Infinity Bond MMA 330 Plus and outline its advantages, disadvantages, and ideal use cases.
Infinity Bond MMA 330 Plus Product Overview
Infinity Bond MMA 330 Plus is a two-part methyl methacrylate adhesive used to form high-strength bonds to metals, plastics, composites, and more. It has a 1:1 mix ratio and requires minimal surface preparation before application. With variable working times available, Infinity Bond MMA 330 Plus can be used for a wide range of applications.
The Infinity Bond MMA 330 Plus MMA adhesive also offers:
- Chemical resistance
- Temperature resistance
- Weather resistance
- Impact and shock resistance
Manufacturers commonly use it in the automotive, marine, and construction industries. It is available in cartridges, pails, and drums.
Does Infinity Bond MMA 330 Plus Work?
While the Infinity Bond MMA 330 Plus methacrylate may sound impressive based on its specifications alone, the more important consideration is its real-world performance in different environments. Our team dives deeper into the Infinity Bond MMA 330 Plus adhesive, including its strengths, limitations, and effectiveness in different bonding applications.
Strengths
When reviewing Infinity Bond MMA 330 Plus, it is important to consider the advantages it may offer for structural bonding applications and how they align with your own project requirements.
Some of the most notable strengths of Infinity Bond MMA 330 Plus include:
- Variable working times to match production needs
- High flow at low pressure for easy manual dispensing
- Excellent chemical resistance
- Higher tolerance to contamination, so less surface preparation is required
- Compatibility with a wide range of substrates
Limitations
While the MMA 330 Plus adhesive offers beneficial properties that make it suitable for a wide range of structural applications, it also has some limitations to consider, including:
- Not compatible with low-energy plastics (Infinity Bond MMA 500 is a better option.)
- Strong odor that requires a well-ventilated work environment
- A lower shear strength than many two-part epoxy adhesives
Vs. Plexus® MA330
A similar adhesive to Infinity Bond MMA 330 Plus is the Plexus MA330 adhesive. Both products are 1:1 methyl methacrylates that have comparable formulations and overlapping properties. They also both offer excellent chemical resistance and are compatible with many of the same materials.
Based on the information on their data sheets, we outlined some of their key differences below.
| Properties | Plexus MA330 | Infinity Bond MMA 330 Plus |
|---|---|---|
| Tensile Strength (ASTM D638) | 3,500-4,500 PSI (24.1 – 31.0 MPa) | >5,076 PSI (>35 MPa) |
| Tensile Modulus | 150,000-175,000 PSI (1,034 – 1,207 MPa) | 160,000-180,000 PSI (1,100 - 1,240 MPa) |
| Tensile Elongation | 5% to 15% | >5% |
| Lap Shear Strength | 3,000-3,500 PSI (20.7 – 24.1 MPa) | >2,611 PSI (>18 MPa) |
| Service Temperature | -67°F to 250°F (-55°C to 121°C) | -40°F to 212°F (-40°C to 100°C) |
*Infinity Bond MMA 330 Plus is an updated formula of the original Infinity Bond MMA 330. For an even closer match in specifications to the Plexus MA330, the original Infinity Bond MMA 330 formula may be an option.
Another notable difference between Plexus MA330 and Infinity Bond MMA 330 can be the price. Plexus MA330 is a well-known brand name adhesive, but it tends to come at a higher cost than the Infinity Bond MMA 330 adhesive. Manufacturers looking to save on costs without compromising on performance may want to explore Infinity Bond MMA 330 as an alternative to Plexus MA330.
When to Use Infinity Bond MMA 330 Plus
Before choosing Infinity Bond MMA 330 Plus, confirm that it meets the requirements of your application and production process. Some ideal uses for Infinity Bond MMA 330 Plus include:
- Structural bonding of compatible metals, thermoplastics, and composites
- Bonding steel and aluminum with minimal surface preparation
- Assemblies exposed to chemicals or service temperatures from -40°F to 212°F (-40°C to 100°C)
- Bonding dissimilar materials, such as metal-to-plastic or metal-to-composite assemblies
Infinity Bond MMA 330 Plus is commonly used for transportation, marine, general manufacturing, construction, and other structural assembly applications. Manufacturers should test the adhesive under real-world conditions to confirm that it is a good fit for the application.
Try It Yourself
Want to determine whether Infinity Bond MMA 330 Plus is right for your application? At Gluegun.com, you can purchase an Infinity Bond MMA 330 Plus sample to test the adhesive on your substrates and under actual operating conditions before introducing it across your production line. Our team can also provide a personalized product recommendation based on your substrates, process requirements, and bonding environment. Contact us to get started.
Gluegun.com is not affiliated with Plexus®. Plexus® is a registered trademark of ITW Performance Polymers.
