Plexus MA685 (68505 35ml size & 68500X 490ml size) was a two-part 10:1 mix ratio Clear MMA Acrylic adhesive designed for structural bonding of thermoplastic, metal, and composite assemblies.
Effective as-of March 28, 2003, Plexus MA685 – 35ml, # 68505 was discontinued, and has been rendered no longer be available after currrent inventory is depleted.
However, we have a direct substitute/backup formula named Maven MMA4085, which is formulated as a direct complement backup fromula.
Here’s the product link to the MMA4085 formula to check out.
Combined at a 10:1 ratio, MA685 had a working time of about 10 minutes. This product offered a combination of high strength and toughness (vibration & shock-resiatance) as well as the ability to bond a wide range of materials. Characteristics Room Temperature Cure Working Time 8-12 minutes Fixture Time 18 – 25 minutes Operating Temperature -67°F – 250°F (-55°C – 121°C) Gap Filling 0.03 in. – 0.125 in. (0.75 mm – 3.2 mm) Mixed Density 8.10 lbs/gal (0.97 g/cc) It had Chemical Excellent resistance to: Water, UV Light (non-yellowing) Scuffing/scratching, impacts, High Temperatures
Substitutes and Backups:
- Maven MMA4085 (Direct substitute)
- Maven MMA4000 (Close substitute, slightly thinner)
Characteristics
Room Temperature Cure
Mix Ratio by volume 10:1
Tensil Strength 3500-5500 psi
Working Time 8 – 12 minutes
Fixture Time 18 – 25 minutes
Operating Temperature – 67°F to 250°F (-55°C to 121°C)
Gap Filling 0.03 in. – 0.125 in. (0.75 mm – 3.2 mm)
Mixed Density 9.10 lbs/gal
Excellent resistance to: UV Light, Water, Vibrations, Shock, High Temperatures
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