MM-80 is a 100% solids, two component, heavy duty semi-rigid epoxy joint filler designed to fill and protect contraction and construction joints in industrial concrete floors. MM-80 was developed to fill and protect joints in industrial concrete floors that are subject to hard wheeled material handling traffic and heavy loads. Its primary function is to support such traffic and protect joint edges. MM-80 is designed for use in areas where final temperatures are from 40˚F (10˚C) to +120˚F (49˚C).
Metzger McGuire MM-80 is the industry-standard semi-rigid epoxy joint filler designed for Class 6-9 industrial concrete floors. Engineered to support heavy wheeled traffic and protect joint edges, MM-80 is a 100% solids, two-component epoxy that offers superior load resistance and durability. With a Shore A hardness of 90-95, MM-80 is ideal for demanding environments, including warehouses, manufacturing plants, and cold storage facilities. It adheres to PCA and ACI guidelines and is trusted for over 45 years in the industry.
Specification | Details |
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Shore Hardness (A) | 90-95 |
Tensile Strength | 1,300 psi |
Adhesion to Concrete | 300-350 psi |
Pot Life @ 70°F | 15-30 minutes |
Initial Cure Time | 6-8 hours |
Mix Ratio (Volume) | 5:1 |
Coverage | 100 LF (1/8" x 1.5") per gallon |
Can MM-80 be used outdoors?
No, MM-80 is not designed for exterior joints or environments exposed to extreme chemicals.
How long before the floor is ready for traffic?
MM-80 is ready for light traffic in 6-8 hours and full traffic in 8-12 hours at 70°F.
Brand | Metzger McGuire |
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Color | Standard Gray |
Size | 1 Gallon |
Manufacturer | Metzger McGuire |