EVERSORB 672 is used in polyurethane. Especially suitable for thermoplastic polyurethane .
EVERSORB 672 prevents the processing , light and weather induced degradation of thermoplastic polyurethane . It is particularly discolor resistant for thermoplastic polyurethane.
Appearance: Slightly yellowish liquid
Volatility (TGA-data, heating rate 20ºC/min in air)
% weight loss Temperature(℃)
1 165
5 198
10 214
Advantages：
High heat stability.
High UV light stability, does not bring smells to the polymers.
Very good compatibility with polyurethane offering homogeneous distribution during processing.
Application:
EVERSORB 672 can be used in thermalplastic polyurethane. In general, it is recommended 0.5 to 1 wt% based on polymer weight.
Discoloration Test :
sample: 3mm thick injection molded thermoplastic polyurethane plaques. (clarity)
Model: ASTM D1148
Test Time: 24Hrs
Lamp: 300W UV light
Additive: 0.6% light stabilizer
Test item: Delta yellowness index (ΔYI)
Toxicity & Safety :
EVERSORB 672 can be safety handled without any irritation caused to the skin.
Storage :
EVERSORB 672 should be stored in a close system and be kept in a dry, dark place without
any light exposure.
----------------------------------------------------------------------------------------------------------------------------------------------------------------------
他们见证台湾永光化学紫外线吸收剂品质 ——稳定、可靠,10 余年无质量投诉发生
台湾永光化学是台湾知名上市化工企业集团，有近 50 年的企业历史；其紫外线吸收剂产业在世界精细化工品领域占据重要地位。品质稳定、可靠是台湾永光化学产品重要标签。
上海苍洪实业销售台湾永光化学紫外线吸收剂、受阻胺光稳定剂多年，近 20 年专注高分子材料抗紫外线、抗黄变，为客户提供咨询、配方建议，彰显专业服务；有需求请联系上海苍洪实业有限公司。
