Polyester chips CZ-333

Type

“JADE” Brand , homopolyester.

Description

“JADE” Brand homopolyester “CZ-333″ bottle grade polyester chips features low heavy metal content, low content of acetaldehyde、good color value、 Stable viscosity and good for processing. With a unique process recipe and advanced production technology, the product, when being thermoformed in SIPA、SIDEL、ASB etc. primary bottle-making machines under general conditions, has high tropism rate, stable crystallinity and good fluidity with low stress-releasing rate in the whole bottle, stable thermal contraction rate and high finished product rate in making bottles, can satisfy the requirement of being bottled at about 90°C and protect drinks from discoloration or oxidization in storage period and prevent the deformation of the bottles.

Applications

specially used for hot-filling bottles according to that tea drinks、fruit-juice drinks and other medium type drinks require to be hot bottled for sterilization.

Typical processing conditions

Drying is necessary prior to the melt processing to prevent the resin from hydrolysis. Typical drying conditions are an air temperature of 165-185°C , 4-6 hours residence time, dew-point temperature below -40℃ . Typical barrel temperature about 285-298°C .