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    Anti-yellowing Matting Additive Anti-yellowing Matting Additive

    Indoor anti-yellowing matting agent T-315/T-335

    Introduction：
    T-315 is a wax-free matting hardener based on resin designed for hybrid powder coatings. T-315 can produce matt finish of gloss 3% above, at dosage 1-4%.
    ①T-315 can provide excellent anti-yellowing, color stability, and gloss stability when over baking, strongly recommend using in matt powder coating of light color.
    ②T-315 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-315

    1.Description
    T-315 is a wax-free matting hardener based on resin designed for hybrid powder coatings. T-315 can produce matt finish of gloss 3% above, at dosage 1-4%.①T-315 can provide excellent anti-yellowing, color stability, and gloss stability when over baking, strongly recommend using in matt powder coating of light color. ②T-315 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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