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TP550 Matt Hardener (Polyester-Tgic System )

2021-02-25     浏览次数:140    

Description

Pure polyester matting resin TP550 is an acrylic resin with epoxy groups. Principle of action: TP550 is an acrylic resin with epoxy groups and a curing agent for low-acid-valence (25-30) saturated carboxyl polyesters. Its extinction principle belongs to both physical and chemical, It not only utilizes the compatibility difference between its components and polyester resins, but also utilizes the reactivity of its unique functional genes to form a complex network interpenetrating extinction with the main material. At the same time,no pure polyester curing agent is needed. In China it is widely used in polyester type powder coating. 

 

TP550 has a good matting effect, can obtain any gloss of 1-60 degrees, and the produced matte pure polyester powder coating has low cost and good powder application rate. At the same time, it has weather resistance, hydrochloric acid resistance, high temperature resistance, and yellowing resistance, leveling and other aspects have excellent results.

 

Technical Parameters 

Appearance

Transparent grain or white powder

Epoxy Equivlent ( g/eq)

550-650

Soft Point (℃)

105-135

Viscosity ( c/pa .s)

220

Volatile (%)

1


Referenced Formulation

Item

Matt(7-15%)

Semi-gloss(15-20%)

Polyester Resin(20-25mgKOH/g)

450

450

Matt Hardener TP550

120

150

BaSO4

300

300

Titanium Dioxide

100

100

Flowing Agent

12

12

Moistening Agent

12

12

Benzoin

3

3

TGIC

Add some to increase the gloss

Pigment

Self-adjust

Curing Condition: 200℃ 10-12 minutes

 

Package & Storage & Handling

1. Store in a cool and dry place to avoid contacting other chemical products. Sealed tightly after use. As this product is irritating to respiratory tract, please wear dustproof mask and glove when operating.

2. Package: 25kgs/polyethylene-lined Kraft paper-plastic composite bag.  

3. Validity will be 1 years under normal temperature.


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