Polyvinyl acetate powder coating

Introduction

Brief description

It is made of German and multi-head trees and chemicals such as TGIC or HAA.

Features

Excellent mechanical properties and excellent weather resistance.

Application areas

Applicable to various types of long-term outdoor exposure products such as communication base stations, mechanical equipment, household appliances, architectural aluminum profiles, transportation facilities, stadium facilities, courtyard facilities, etc.

Product series

Provide standard weather resistance and ultra-high weather resistance products; can be made into a variety of gloss and a variety of colors; can be made into flat, sandy, wrinkled, metallic effects and mixed colors; some products are certified by Qualicoat Classl.

Technical parameters

Powder performance

Specific gravity: 1.1~1.8g/cm³

Mechanical properties

Test items	Test standards	Performance indicators
Pencil hardness	GB/T6739-1996	>=H
Adhesion	GB/T9286-1998	Grade 0
Bending	GB6742-86	Φ3mm
Impact	GB/T1732-93	50kg.cm
Cupping	GB9753-88	>6mm

Corrosion resistance

Test items	Test standards	Performance indicators
Salt spray resistance	GB/T1771-91	No change in coating after 1000 hours, Cross-section single-sided corrosion <2mm
​Moisture and heat resistance	GB/T1740-79	>1000 hours slight loss of gloss, >=1 level
Light aging test ASTM G154 QUV 0.78w/m² @340nm 500H		Gloss retention ≥80%

Note: The above parameters are laboratory data and are for reference only. The actual indicators are related to factors such as customer environment, equipment, materials, pretreatment, and spraying process.

Application conditions

Pretreatment: phosphating treatment, inscription treatment; Coating: Polyester powder coating is suitable for the following equipment coating: corona electrostatic spraying, friction electrostatic spraying, electrostatic fluidized bed spraying. Curing conditions: 200·C@10 minutes, 1800C@15 minutes, can also be designed according to customer needs.

Packaging

Carton packaging.

Net weight 20kg/box.

Lined with polyethylene plastic bag.

Storage conditions

Store in a dry and ventilated room below 30℃.

Avoid direct sunlight.

Under this condition, the powder can be stably stored for 12 months.

Can be retested after expiration, and can still be used if it meets the requirements.

Safety and health

• All raw materials of powder coatings do not contain toxic substances.
• No toxic gas will be released during baking.
• Avoid inhalation of dust during use.
• Operators should wear dust masks.
• Minimize long-term contact between skin and powder.
• Paint attached to the skin can be washed with soap.

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