| http://www.w3.org/ns/prov#value | - 9-Layer Die: For a Changing Blown Film World Battenfeld says it has observed an increased interest in nine-layer dies for various reasons, notably the benefits they provide in producing high-barrier films at lower cost, explains the OEM. Having nine layers to work with means processors can take five- or seven-layer films and reduce the gauge of costly barrier materials and tielayers by adding l
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