Powder Coating Primer - China

Product Description

MT-Active is a powder coating primer, totally free from Zinc.

It is designed to give enhanced corrosion protection of mild steel and is an epoxy-polyester primer including active anticorrosive pigments.

The addition of these pigments provides a steel passivation effect to protect the substrate enhancing the performance when compared to other non-active systems.

Powder Properties

Chemical type Thermosetting epoxy-polyester

Appearance Smooth

Gloss level (60°) 50-60 units

Color Grey

Recommended Film Thickness (µm) 60 – 80 µm

Density (g/cm3) 1.65 – 1.70 g/cm³

Application Electrostatic

Storage Under dry, cool (≤ 30°C) conditions

Shelf life At least 12 months from production date

Mechanical Tests

Flexibility (Cylindrical Mandrel) ASTM D522-93A Pass 3 mm (Primer) Pass 10 mm (System) Adhesion ASTM D3359-97 (2mm crosshatch) Class 0 (Primer) Class 0 (System) Erichsen Cupping ASTM 643-84 Pass 5 mm (Primer) Pass 4 mm (System) Impact ASTM D2794 Pass 0.4 kg·m (Primer) Pass 0.3 kg·m (System) Pretreatment

Surface preparation depends upon the metal, the type of surface, its conditions and the required performance.

Substrate Mechanical pretreatment Chemical pretreatment

Mild steel Grit Blasting Sa 2.5 in accordance with ISO NF EN 8501-1 - Roughness: Rz 42 84 µm / Ra 6-12 µm Degreasing & phosphating (or equivalent) followed by passivation, DW rinsing and drying.

Cast steel

Electro Zinc steel Sweep blasting with a maximum zinc layer thickness reduction of 5 to 10 µm depending on the initial zinc thickness

Hot dip galvanized stee Degreasing & phosphating / chromating followed by passivation.

flame/electrical deposition) Grit Blasting Sa 3 in accordance with ISO NF EN 8501-1 - Roughness: Rz 42 84 µm / Ra 6-12 µm Banned

Company Contact:

• Posted By: Standard International Group (HK) Limited

• Phone: +86-21-64208466-808

• Address: Floor 2, #47 Building, 280 Jiugan Road, Songjiang district, Shanghai, China, Shanghai , Shanghai , China

• Email:

• Website: https://moutainchem.com/

• Business Description: Standard International Group (HK) Limited was founded in 2003 - Over years, Standard Group has established long-term strategic cooperative relations with many well-known industrial chemical manufacturers, such as Sherwin-Williams, LANXESS, Evonik, Covestro, Elementis and so on, thus ensuring that customers can receive consistent high-quality services.
  
  Years of professional accumulation make us not only provide high-quality industrial coating additives, but also medicine Pharmaceutical Intermediates and electronic chemistry.
  
  From the painting plant laboratory first sample testing, middle-testing and final-testing, we adhere to the professional, sincere, enthusiastic and efficient service concept, our technical team always adjust the sample during different testing process until it performs perfect chemical reaction at customer’s paints.