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      6. Indoor Anti-yellowing matting agent T-323
        7. Anti-yellowing Matting Agent Anti-yellowing Matting Agent
        Anti-yellowing Matting Additive Anti-yellowing Matting Additive
        Anti-yellowing Matting Agent T-323A Anti-yellowing Matting Agent T-323A

        Indoor Anti-yellowing matting agent T-323

        Introduction：
        T-323 is a wax-free matting hardener based on resin designed for hybrid powder coatings. T-323 can produce down to 8% of gloss matt coating at dosage 0.5-2%. Compared with the typical X68 type matt hardener,
        ①T-323 can provide excellent anti-yellowing, color stability, and gloss stability when over baking, strongly recommend using in matt powder coating of light color.
        ②T-323 can also provide good surface properties such as excellent flow, smoothness and fine silk feeling,and eliminate the finger marking.It’s available to use high polyester ratio to reach a good cost of formulation.

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        Anti-yellowing matting agent for interior powder coating T-323

        1.Description

        T-323 is a wax-free matting hardener based on resin designed for hybrid powder coatings. T-323 can produce down to 8% of gloss matt coating at dosage 0.5-2%. Compared with the typical X68 type matt hardener, ①T-323 can provide excellent anti-yellowing, color stability, and gloss stability when over baking, strongly recommend using in matt powder coating of light color. ②T-323 can also provide good surface properties such as excellent flow, smoothness and fine silk feeling,and eliminate the finger marking .It’s available to use high polyester ratio to reach a good cost of formulation.


        2.Typical physical data

        Appearance

        pale yellow powder

        Soft range(℃)

        100-120

        Bulk density (g/l)

        500-600

        Solid content (%)

        >98


        3.Suggested formula



          Epoxy E-12

          280

          240

          220

          240

          50/50polyester

          240

          /

          150

          210

          60/40 polyester

          /

          280

          /

          /

          70/30 polyester

          /

          /

          150

          70

          Levelling agent T-988

          10

          10

          10

          10

          Appearance modifiers T-402

          5-10

          5-10

          5-10

          5-10

          Pigment and filler

          420

          420

          420

          420

          Matting agent T-315

          10-40

          10-40

          10-40

          10-40

          Curing condition:200℃×10min


          4.Characteristics

          ①To obtain lower matting finish, normally select 50/50 polyester with slowly reactivity, as better mechanical performance and storage ability.

          ②Excess epoxy to matting agent ratio 1/1, the matting finish gloss lower, fullness and long-time shelf life.

          ③Worse storage ability than 68 matting system, please prevent store it in high temperature （＞35℃）environment for a long time.

          ④T-315/ T -323A compared with similar products, characteristics as below:

          A.     Surface fullness B. excellent mechanical properties C. widely used in hybrid system


          5.package and storage:

           Packaging with PE lined Kraft paper bags, Net weight 25kg per bag. Store in cool and dry place to avoid moisture. According to our experience, the shelf life of this product is at least 2 years when ambient temperature below 30 ℃.
           

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