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Exterior Matting Resin  M-650

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Exterior matting resin M-650 , a glycidyl acrylate copolymer, having an epoxy functional group, is an outdoor matting powder coating resin. Its matting effect is very well and can be obtained 1-60% gloss, especially suitable for the preparation of 5% gloss outdoor pure polyester powder coatings.

1. Technical Parameters

Ø  Appearance: Colorless and transparent crystal or powder

Ø  Epoxide equivalent: 550-600

Ø  Softling point: 120-130

Ø  Volatile: ≤1%

Ø  Tg: 65-70

2. Product Properties

Ø The powder coatings prepared by Outdoor matting resin M-650 have excellent leveling properties, excellent impact resistance and good bending resistance properties.

Ø  The powder coatings prepared by Outdoor matting resin M-650 have excellent weather resistance, salt spray resistance, heat resistance, and resistance to yellowing.

3. Dosage

Ø  The setting extrusion temperature: Front region(80-90), Back region (95-105), curing temperature: 200*15min.

Ø  Extruder speed requirements: the lower extrude speed provide relatively lower powder coating gloss.

Ø  You can change the usage of matting agent M-650 to adjust the desired luster. Usually,5% gloss need 11% amount of M-650 in the total formula. Please according to the test to determine the specific amount.

 4. Reference Formula

 

Material Name

Formula 1

Formula 2

PolyesterLower acid value

47

52.5

       Matting Resin M-650

11

8.5

HAA KC552

/

2.0

Curing agent TGIC

0.5

/

Leveling KC758

1.0

1.0

Gloss-enhancing agent

1.0

1.0

Benzoin

0.3

0.3

Wax

0.5

0.5

Titanium dioxide

/

15

Matting barium sulfate

38

19

Carbon black

1.0

0.2

Luster %@60°

5%

15%-20%

Impact strength/Kg·cm

+/-50

+/-50

Appearance

Flat and smooth

Flat and smooth

5. Package & Storage

 Packaging with PE- lined Kraft paper bags. Net weight 25kg per bag.Sealed packaging, storing in a cool and dry place, reasonable storage shelf life of this product is at least 2 years.

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  • Park,Hefei,Anhui,China.


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