MM-80 was developed to fill and protect joints in industrial concrete floors that are subject to hand 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 temperature are from 40° F(10C) to 120° F (49°C). It is also ideal for joints and cracks repair.

MM-80 is a two –component, 100% solids content epoxy joint filter. When cured, MM-80 is a gray, semi-rigid (hard but slightly resilient) filter with a share hardness of A90-95 and D D50-55.

Application Specifications:
There are no government or ASTM standard floor joint filters.
MM-80 meets and/or exceeds the floor joint filter guidelines set forth by
ACI 302 (Guide for Concrete Floor and Slab Construction, ACI report 302.1 R-96), ACI 360 and PCA (Concrete Floors on Ground, Third Edition 2001, James A. Farny, PCA).

MM-80’s superior formulation yields a filler sufficiently rigid to support heavy loads crossing joints, protecting joint edges from spalling and sufficiently resilient to prevent brittleness throughout the life of the floor.

MM-80 exhibits low range tensile and adhesive strength, characteristics necessary to allow the joints to open as the concrete shrinkage progresses.

MM-80 relative hardness has been gradually increased through the years to reflect increasing demands on floors created by heavier loads and smaller, harder vehicle wheels.

MM-80 is the joint filler which American Concrete institute and Portland Cement Association Standards are based upon. You can specify and use MM-80 with the confidence that comes from a project-proven track record for more than thirty years and with the knowledge that your are relying on the best floor joint protection available in the industry.

USDA/FDA Approval
MM-80 is USDA approved and is acceptable for use in floors subject to USDA and FDA regulation.
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