Veyance Technologies, Inc.

Kenneth Michael Alexander

David Joseph Maguire

A non-halogenated rubber compound is provided for use in conveyor belts, particularly those used in underground mining. The non-halogenated rubber compound is fire-resistant in accordance with MSHA standards and produces acceptable levels of toxicity and smoke upon burning. Such non-halogenated rubber compound includes a blend of rubbery polymers in combination with aluminum trihydrate, which is a fire retardant, and optionally a phosphate plasticizer, which can provide the rubber compound with a more desirable workability. The blend of rubbery polymers is composed of natural rubber and butadiene rubber, and optionally styrene-butadiene rubber, such blend being present in a total amount of 100 phr. In one embodiment, the aluminum trihydrate is present in an amount of about 30 phr to about 150 phr. In another embodiment, the phosphate plasticizer is present in an amount of about 10 phr to about 60 phr.

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Dublin, OH, United States of America

Kenneth Michael Alexander