CZ-302 Water bottle PET Chips
Ø Product introduction
"JADE" Brand Copolyester "CZ-302" bottle grade polyester chips are suitable for making the packing bottles for pure water, natural mineral water, distilled water, drinking water, flavoring and candy containers, makeup's bottle and PET sheet material etc.
The brand of product features low heavy metal content. low content of acetaldehyde, good color value, stable viscosity. With a unique process recipe and advanced production technology, the product possesses excellent processing features, low processing temperature, wide scope in processing, excellent transparency and high in finished product rate. In making bottles, the product has a small degradation and low content of acetaldehyde. While ensuring safety and hygiene, it can effectively keep the respectively unique taste of purified water, mineral water and distilled water.
Ø Properties
Item项目 |
Unit单位 |
Index数值 |
I.V.特性粘度 |
dL/g |
0.80 ± 0.02 |
Crystallinity 结晶度 |
% |
≤ 60 |
Content of COOH 端羧基 |
mol/t |
≤ 25 |
Content of acetaldehyde 乙醛含量 |
ppm |
≤ 1.0 |
Dust content 粉末 |
ppm |
≤ 100 |
Melting point 熔点 |
℃ |
≥ 248 |
Wt. of 100 chips 100粒克重 |
g |
1.55 ± 0.10 |
Color Value L 色值L |
– |
≥ 83 |
Color Value B 色值b |
– |
≤ 1.0 |
Ø Characteristics
Low heavy metal content
Low content of acetaldehyde
Good color value
Stable viscosity
Excellent processing features
Low processing temperature
Wide scope in processing
Excellent transparency
High finished product rate.
Ø Application
It’s suitable for the bottle applications for pure water, natural mineral water, distilled water, drinking water, flavoring and candy containers, PET sheet material etc.
Ø 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 160-180℃, 4-6 hours residence time, dew-point temperature below -40℃ .
Typical barrel temperature about 275-293℃.