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TS280-Product Data Sheet

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Blocked Isocyanate TS280                  Product Data Sheet

1、     ProductDescription

TS280 is a  caprolactam closed isocyanate polymer and usedas curing agent for polyurenthane powder coatings with hydroxyl polyesterresins.

2Product Specification

appearance

 Colorless transparent granular

Equivalent  weightg/mol

 275-285

NCO  content(free)

 <1%

Soften  point(℃)

85.0-100.0

Glass  Transition Temp(℃)

 50.0-60.0

3Recommended Formulation

TS6666OH value of 40mgKOH/g

     510

TS280

     90

Pigment  and filler

     360

Leveling  agent

     10

Benzoin

      4

4Extrusion

ExtruderSFJ-35D

Kneading Screw Temp95-120

Casing Setting Temp80

R.P.M70 r.p.m

5Curing condition200/12-15min

6Filmperformances

Thickness(um)

  60-80

Gloss60°)

  ≥92%

Adhesion(2mm)

≤1

Impact(kgcm)

  50 pass

Hardness

  1H-2H

Weather  resistance

(QUVB313  240h)

  Gloss retention≥80%

 discoloration ≤one class

Notes: Please make you own test determine the suitability ofthe product for your particular use


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