Santoweb® D

Santoweb® D by Lanxess is a treated cellulose fiber product that provides reinforcement for uncured and cured rubber compounds. It is designed for raw edge V-belt base compounds, low-pressure hoses, gaskets, diaphragms, and tire bead apex compounds.

• Increases product stiffness, green strength and reduces die swell, cold flow, and cut growth rate in rubber compounds. It also functions as a filler.
• Offers good bonding to the rubber matrix It does not cause compound staining.
• Santoweb® D should be used with a methylene donating chemical for applications in which adhesion of the fiber to the rubber matrix is critical.
• Santoweb® D shows compatibility with NR, SBR, BR, and CR. It contains 68% wood pulp and 32% SBR binder.
• The recommended dosage for improved green strength is at levels of 1-4% by weight, increased flexural stress at 5-15% by weight, and very significant fiber reinforcement at 10-20% by weight.