Dynasylan® 6598

• Improved filler dispersion
• Increased hydrophobicity that results in improved electrical values (dielectric constant e r, electric dissipation factor tand , volume resistivity r D) especially after exposure to water/ moisture
• Increase in maximum filler loading
• Excellent balance between tensile strength and elongation at break at a high level
• Improved heat resistance
• Improvement of creep behavior at increased temperature
• Improved chemical resistance
• Strongly reduced tendency to stress cracking
• Higher impact strength
• Higher abrasion resistance
• Good processability

• A major field of application for mineral-filled compounds is the cable industry.
• EPDM and kaolin can be processed into cable compounds through the adhesion promoting and hydrophobic effects of Dynasylan® 6598.
• It can also be used in the manufacture of halogen-free, non-toxic, environmentally friendly flame retardant compounds (HFFR) based on EVA or PE and ATH or MDH.
• In addition, Dynasylan® 6598 can be used in many other applications such as filler and pigment treatment, use in dispersions etc.

• Dynasylan® 6598 is excellent as an adhesion promoter in mineral-filled, peroxide-crosslinked compounds.
• The silicon- functional ethoxy groups of Dynasylan® 6598 hydrolyse in the presence of moisture, which is usually present on the filler surface, forming active silanol groups.
• The condensation of these silanol groups with hydroxyl groups on the filler surface leads to a tight chemical bond between Dynasylan® 6598 and the filler.
• The vinyl functional end of Dynasylan® 6598 can be coupled to the polymer in a further reaction that runs parallel to peroxide crosslinking.

Dynasylan® 6598 is supplied in 25 kg, 200 kg drums and 900 kg ibc containers.

• The containers must remain tightly sealed and stored in a cool, well-ventilated place protected against moisture.
• In the unopened container the shelf life of Dynasylan® 6598 is min. 12 months from delivery.