The company has developed a new range of unfilled single-release inside lubes for cleaner tire production. New products like Rhenodiv BP-337 and Rhenodiv BP-3091 enable tire producers to apply very low quantities of inside lube onto the green tire. In combination with robotic spraying equipment a precise coating procedure without contamination of tire areas beside the inner liner is assured. The workplace is kept cleaner. As an extra benefit, Rhenodiv BP-337 is based on hydrogen-free crosslinking chemistry. There is an increasing demand for the absence of migrating silicones in the tire molding process. This is especially the case if a clean, silicone-free tire surface after vulcanization is necessary. Rhein Chemie Additives is responding to this trend with two new single-release inside lubes: Rhenodiv BP-166, low-filled, silicone-free, Rhenodiv BP-9500, unfilled, silicone-free.
Rhein Chemie Additives has been constantly increasing its capacities for Rhenoshape high-performance permanently coated bladders. To ensure quality aspects in accordance with customer requirements, operations at the different bladder production sites have been steadily upgraded with automated processes. Rhenoshape tire curing bladders equipped with Rhenodiv permanent coatings enable tire manufacturers to produce tires without using an additional release agent. This is of special importance for the production of high-value tires such as run-on-flat, sealant and noise-reduced tires – wherever the absence of migrating silicone from traditional release agents is mandatory. Additionally, the spraying operation for green tires, including the collateral contamination of critical tire areas and working areas, becomes obsolete.
Under extreme mechanical, dynamic and thermal stresses, Rhenogran P91-40 provides excellent reinforcement performance for tire compounds. Rhenogran P91-40 incorporates the highly resilient and very lightweight Twaron aramid short-fiber pulp evenly in the rubber compound. In addition to polymers typically used in tires such as NR, IR, BR and SBR, Rhenogran P91-40 is suitable for many other rubber grades including EPDM, CR, NBR and HNBR.
Tire Technology Expo 2017, Booth C224
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