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              產品展示

              TP68 MATT HARDENER ( EPOXY SYSTEM )

              2021-02-05     瀏覽次數:2047    

              Description

              Matt Hardener TP68 is a composed salt of cyclic-amidine and multi-acid. It utilizes the two?different reaction rates of group in molecular structure, and during the curing process, it generates non-uniform shrinkage then forms the matt surface. It has both gloss decreasing and curing functions.

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              Technical Parameters

              Item

              Test Methods

              Specification

              Appearance

              Visual

              Fine White Powder

              Melting Range

              GB/T617-2006

              230-250

              Acid value:


              460-480

              Purity%

              GB/T1725-2007

              ≥99.00

              Curing Condition180℃?20-25min 190℃?10-12min 200℃?8-10min

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              Application

              It is used for pure epoxy resin, epoxy\polyester hybrid powder coatings to achieve coatings with matt surface, excellent mechanic quality and wonderful appearance

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              Reference formulation

              Item

              Epoxy

              Epoxy-Polyester

              Epoxy Resin E12

              110

              440

              Polyester Resin TP5050


              60

              Matt Hardener?TP68

              9

              38

              Flowing Agent?TP503

              8

              10

              Moistening Agent?TP701

              1

              6

              Benzoin

              1

              4

              Titanium Dioxide R902


              1

              Filler(BaSo4 ,CaCo3)

              65

              1

              Carbon Black

              0.8

              1

              Gloss 60°

              <5

              10-20

              Visual inspection

              Flow and smoothly

              Flow and smoothly

              Impact (positive/back flush)

              50/40

              50/50

              Adhesion (cross-cut?method)

              100% pass

              100% pass

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              Notice

              Matt Hardener is not as compatible with the resin as it has a high melting point. To avoid this default it’s necessary to distribute them or to make the curing temperature at a higher level. In case of epoxy\polyester hybrid powder coatings, the polyester should be low acidity. Before achieving the ideal gloss and multiple characteristics tests are?needed.



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