Blue Sand Texture Powder Coating

Surface Finish Options Overview

What is Powder Coating?

Powder coating is a new type of 100% solid powder coating which does not contain solvents. With no solvent, no pollution, energy and resources saving, recycling, environmental protection, higher performance, low health risk to workforce, economical advantages etc.

Most powder coating is used by electrostatic spraying on metal surface, and then cure in oven, eventually form a solid layer.

POWDER SYSTEM

Epoxy/Epoxy polyester/Polyurethane

APPLICATION AREA

Aluminium Profile Industry   ; Windows and doors

Outdoor or indoor Furniture ; Architecture Construction

Domestic Appliance

PRODUCT FEATURES

Wide color range ; No clear topcoat requirementHigh Mechanical Resistance ; Different gloss optionsDifferent Texture Options。

Product Specification

Test Item	Test Method	Test Result
Film Thickness	ISO2360	60-80um
Pencil Hardness	ASTMD 3363	H-2H
Bending	ISO1519	≤10mm
Grid Test 1mm	ISO2409	0 CLASS
Impulse Test	ASTMD2794	Pass
Cupping Test	ISO1520	≥8mm
Heat Resistance 1000 hours	ISO6270-1	Popping<1mm
Salt Spray 1000 hours	ISO9227	Corrosion Spreading<1mm

STORAGE

1.Under dry conditions,good ventilation at a temperature not exceeding 30 C,humidity<60%

2.Storage period recommended should not exceed 12 months,in case exceeding 12 months without affecting their free flowing properties, the powder will still have optimal characteristics.

3.Should be protected from excessive heat,humidity,water and contamination with foreign materials such as powder, dust, dirt, etc.

4.Any leftover powder should be kept in an appropriate area that is cool and dry. Do not expose to the air too long as the powder properties may deteriorate with the moisture.

FAQ

1. What is Powder Coating?

Powder coating is a dry finishing process used to apply a protective and decorative coating on metal or other surfaces. Instead of using liquid paint, fine powder particles (usually made of polyester, epoxy, or hybrid resins) are electrostatically charged and sprayed onto a conductive surface. The coated object is then baked in an oven, where the powder melts, flows, and cures into a smooth, durable finish.

Key features:

Durable, hard finish

Resistant to scratches, corrosion, and UV

Environmentally friendly (no VOCs)

2. Benefits of Powder Coating

Powder coating offers several advantages over traditional liquid painting:

Durability: Resistant to chipping, scratching, fading, and wear.

Corrosion Protection: Provides excellent protection against rust and chemicals.

Environmentally Friendly: No volatile organic compounds (VOCs) and minimal waste.

Efficiency: Overspray can be collected and reused, up to 99% material utilization.

Uniform Finish: Smooth, even coating without runs or drips.

Cost-Effective: Single-coat systems can achieve high film thickness, reducing labor and energy.

Aesthetic Variety: Wide range of colors, textures, and effects.

3. What Temperature to Cure Powder Coating

The curing temperature depends on the type of powder used:

Epoxy powder: ~160–200°C (320–392°F)

Polyester powder: ~180–210°C (356–410°F)

Hybrid (Epoxy-Polyester) powder: ~180–200°C (356–392°F)

Typical curing time: 10–20 minutes depending on thickness and oven type.

Always follow the powder manufacturer’s specifications for best results.

4. Process for Powder Coating

The powder coating process usually follows these steps:

Surface Preparation:

Clean the surface thoroughly (remove oil, grease, rust, or dirt)

Methods: chemical cleaning, sandblasting, or phosphating

Pre-Treatment:

Apply a conversion coating or primer if needed to improve adhesion

Powder Application:

Spray the powder using an electrostatic spray gun or fluidized bed

Curing:

Bake the coated object in an oven at the recommended temperature for the powder type

The powder melts and forms a continuous, smooth film

Cooling & Inspection:

Let the coated item cool

Inspect for defects, uniform coverage, and desired thickness

5. How to Spray Powder Coat

Equipment Needed:

Electrostatic spray gun

Compressed air supply

Powder feed hopper or container

Grounding of the object

Steps:

Ground the object: Ensures the charged powder is attracted to the surface.

Spray evenly: Hold the gun 6–12 inches from the surface, moving in smooth, overlapping strokes.

Apply sufficient powder: Ensure full coverage without excessive buildup.

Cure immediately: Transfer the sprayed item to the curing oven to fuse the powder into a solid coating.

Tips:

Maintain consistent speed and distance while spraying.

Use proper ventilation to reduce airborne powder accumulation.

Test a small area to check film thickness and color before full application.