A new transparent, flexible biopolymer from FKuR contains a high content of renewable resources and is said to be processed easily on standard LDPE blown film lines and converting equipment.
With a renewable resource content of approximately 60%, Bio-Flex F 2201 CL has mechanical properties claimed to exhibit high elongation and flexibility, with good puncture resistance. This makes it ideal for adjusting the properties of the company’s other Bio-Flex resins.
However, due to its good interply strength, the new grade is recommended for use as a mid-layer in a coextruded structure. As a result of its mechanical properties it is said to be the perfect partner for Bio-Flex A 4100 CL in a transparent 3-layer combination. Bio-Flex A 4100 CL is a clear but stiff material with properties comparable to PP.
According to FKuR, the combination of these two transparent grades offers ‘superb and unmatched clarity for a biodegradable blown film available today while maintaining a very high content of renewable resource material’.
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