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TP3329 Matt Hardener (Polyester-TGIC System)

2021-04-17     浏览次数:171    

Description

TP3329 is a modified polyethylene wax based Matting Agent for outdoor durable Polyester/TGIC powder coating, epoxy, epoxy/Polyester hybrid and PU etc. This novel matting agent is developed specially by us for providing above coating with low gloss and smooth matte finishes.

 

Technical Parameters

Appearance

Pale yellow powder

Softening Point ()

110-120

Volatile (%)

≤1.0

Bulk Density(g/liter)

450-550


Advantages

1. Can reduce the gloss of PES/TGIC powder coating to 30% (60) without significantly damaging to the weather-resistance, flow and mechanical properties. The moderate gloss coatings usually are application to lighting fixture, appliances, air conditioner and office partitions and automobile parts.

2. be en-able to use in other coating systems such as pure epoxy and epoxy/polyester hybrid to provide these systems with semi-gloss, smooth appearance and good non-yellowing properties.

3. This product belongs to adding type-matting agent without taking part in chemical reactions; thus the special design for coating formulation is unnecessary. You are only selective for adding it at the premix stage of powder coatings. Varying its added amount or selecting proper filler can adjust the gloss levels of the resultant coating, but the variable ranges usually are limited.

4. May be as a modifier to improving coating surface hardness and anti-mar properties when desired at less than 1.0% based on total formulation.

 

Suggested Formulations

PES/TGIC system (pale gray) 

Contents/Runs

I

II

III

Polyester TP9035

868

868

868

TGIC

70

70

70

Matt Agent TP3329

35

55

83

 

Material name

I

II

Low acid polyester

600

600

TGIC

50

--

Hardener T05M

--

40

Matting agentTP550

40

20

Titanium Dioxide & Filler

300

320

Flowing Agent, Moistening Agent, Benzoin

20

20

Extrusion: I zone 85℃II zone 100℃

Flow and smoothly , Gloss around 25%

Flow and smoothly , Gloss around 45%

Curing Conditions185℃ 15min

 

Dosage

Used to control gloss between 30-60% for epoxy/polyester hybrid; PT 810 (TGIC) based-polyester powder coatings. No effect on weather-ability or physical properties


Package & Storage & Handling

1. Package with PE lined Kraft paper bags. Net weight 20kgs per bag.

2. Store in cool and dry place to avoid caking. Stay away from heat and fire.

3. Validity will be 1 years under normal temperature.



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