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The problem of ‘blocking’ occurs when adjacent layers of polyolefin film stick together, due to the composition and rolling tension of the film. Whilst there are anti-block agents on the market that can prevent blocking, the quantity and type used can have unwanted side effects, such as affecting transparency, or adsorbing migrating agents, such as anti-static, slip, or anti-fog additives, decreasing their efficiency.
Tosaf’s anti-block additives are based on a variety of materials across the refractive index. This enables us to deliver the anti-block with the refractive qualities closest to the specific polymer you are using, resulting in high-quality transparent film. The very narrow particle distribution in our anti-block makes it suitable for even challenging applications, such as double and triple bubble, and BOPP, which require thin layers of less than 1 micron.