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Eastman Benzoflex™ 9-88 SG is recommended as a plasticizer for hot-cast polyurethane applications. It also finds values in a variety of applications, such as adhesives, coatings, and sealants. Benzoflex™ 9-88 SG is a specialty grade of dipropylene glycol dibenzoate high-solvating plasticizer compatible enough to be a sole or primary plasticizer in many systems. It is a medium–molecular weight, non-phthalate benzoate ester that offers excellent efficiency, enhanced durability, low volatility, low migration, and good compatibility. |
When used in polyurethane, Benzoflex™ 9-88 SG can help reduce the hardness of the material, improving flexibility and impact resistance. Also, because of its compatibility in cast urethane systems, this grade allows for use at high levels to achieve durometer readings ranging as low as 20–25 shore A hardness. It can also enhance the adhesion of polyurethane to substrates such as metal, plastic, and wood. | |
Additionally, Benzoflex™ 9-88 SG can improve the low-temperature properties of polyurethane, making it more suitable for outdoor and cold-weather applications. Furthermore, it offers improved properties over the standard grade, including better compatibility with both polyether and polyester based backbones, lower volatility, and improved efficiency. |
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