Guardrail powder

Brief description

Made with saturated polyester resin and curing agent such as TGIC or HAA as the main base material.

Features

Excellent mechanical properties.

Outstanding weather resistance.

Application areas

Suitable for coating of products exposed to outdoor for a long time, including:

• Communication base stations
• Mechanical equipment
• Household appliances
• Architectural aluminum profiles
• Traffic facilities
• Sports stadium facilities
• Garden facilities, etc.

Product series

Standard weather-resistant and ultra-high weather-resistant products.

Various gloss and color options.

Various surface effects: flat, sand grain, wrinkle, metal effect and mixed color.

Some products have passed Qualicoat Class 1 Certification.

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, unilateral corrosion at scratches ≤ 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, chromating

Coating: Suitable for corona electrostatic spraying, friction electrostatic spraying, electrostatic fluidized bed spraying, etc.

Curing conditions:

200℃@10 minutes

180℃@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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