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  20  专注高分子材料抗紫外线、抗黄变

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台湾永光复合型光稳定剂EVERSORB 672

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Introduction :

       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.

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    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。

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