Teknor Color Co. has broadened its range of PET color concentrates to products designed for beverage bottles.
Teknor said its new PETek grades can eliminate handling problems and reduce scrap. While similar to the PETek series for health and cosmetics packaging, the bottle grades have lower loadings.
PETek concentrates are sold as microbeads with the colorant dispersed in a carrier polymer. The beads avoid problems possible with standard wax and liquid colorants, improving dispersion and reducing defects such as haze and swirling, according to the Pawtucket, R.I., company.
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