Neoprene Bonding Layer
Mining & Aggregate Rubber

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RubberMax® Neoprene Bonding Layer


RM Biltrite® RubberMax® Neoprene Bonding Layer is used for a variety of purposes in the mining and aggregate industries. It can be securely applied to all types of polymer-based rubber sheets, including RM Biltrite® mining rubber sheets and RM Biltrite® pulley lagging rubber sheets. Neoprene rubber has inherently excellent metal adhesion qualities. It is usually applied in a thin layer onto the back side of metal-lining rubber sheets in order to create a firm connection. Optional neoprene bonding layers are available on all RM Biltrite® mining rubber products upon request.



Item ID Neoprene Bonding Layer
Hardness ASTM D2240 (± 5) Shore A 40
Temperature Range °F -40 - +248
°C -40 - +120
Specific Gravity
g/cm3 1.40
Color Grey


Adhesion Directions

  • Thoroughly clean & dry surface from oil, paint, and other contaminants.
  • If applying to metal surface, clean first with solvent.
  • After surface is prepared, apply metal primer.
  • Allow primer to dry completely for at least 1 hour, depending on atmospheric conditions.
  • Cut 5 test pieces 11.8" x 1.18" (300mm by 30mm) from rubber sample. Condition pieces at room temperature for 24 hours.
  • Prepare glue mixture by using an adhesive to hardener ratio of 3.5 oz to 0.18 oz (100gm to 5gm)
  • Coat rubber test strips with glue on the bonding layer side and on the metal plate. Allow to dry for 15 minutes.
  • Mount rubber test strips onto the glued metal plate and press together.
  • Check bonding strength by pulling rubber strips by hand.