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Rail Transit Interior powder coating

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Rail Transit Interior powder coating Specification

Chemical Name
Polyester/epoxy hybrid powder coating

CAS No
Not applicable (mixture)

Type
Thermosetting Powder Coating

Standard
Rail Transit Interior Coating Standard

Grade
Industrial grade

Usage
Rail transit interior surfaces, metal protection and decoration

Appearance
Smooth, uniform colored powder

Physical Form
Powder

Pack Size
25 kg

Pack Type
Lined carton box

VOC Content
Zero VOC, environmentally friendly

Shelf Life
12 months from manufacturing date

Color Options
Wide range (as per RAL/Pantone customization available)

Curing Temperature
180-200C for 10-15 minutes

Adhesion
Excellent (cross-cut test grade 0-1)

Corrosion Resistance
Excellent, suitable for high-humidity environments

Film Thickness
60-90 microns recommended

Application Method
Electrostatic spray coating

Toxicity
Non-toxic under recommended use

Impact Resistance
50 kgcm

Storage Stability
12 months under 25C, dry conditions

Finish
Glossy, matte, and texture options available

Rail Transit Interior powder coating About

Coating characteristics:

Excellent leveling

Excellent UV and salt spray resistance

Good easy-to-clean function

Application parameters:

Atomization air pressure: 0.7bar

Primary air pressure: 0.7bar

Recommended voltage: 40-90KV

Secondary rework:

Surface treatment: grinding + air cleaning

Recoating mode: Reduce spraying voltage

Chemical type	External part: polyester type Internal part: polyester epoxy mixed type
Appearance	External part: color depends on customer requirements Internal part: mainly metallic silver and wood grain powder and white plane
Particle size	Depends on product type and color
Gloss	Depends on product
Specific gravity	1.2-1.8g/CM (related to color)
Storage conditions	v30P sealed in a dry and cool place
Validity period	12 months (v30C)
Curing conditions (workpiece temperature)	18015 minutes, 20010 minutes

Item	Instrument	Judgment standard	Test standard
Adhesion	Single-edged knife, tape	0 crack	GB/T 9286 ISO 2409 ASTMD3359
Impact resistance	Impact tester	50 kg.cm (0 8mm ) 2.5Nm (016mm) (0 20mm)	GB/T 1732 ASTM D 2794 ISO 6272
Coating hardness	Hardness tester	*1H	GBZT6739 ASTM 03363
Alkali resistance	0.1N NaOH. Beaker	M48H, coating has no blistering, shedding, rust, or spots	GB/T9274
Acid resistance	0.1N acid, beaker	M24H, coating does not become mushy	GB/T9274
Salt spray resistance	NSS fog box	*500H, rust and blister < 2mm	GB/T 1771 ASTMB-117 ISO 7253
Humidity and heat resistance	Constant temperature and humidity box	a 500H, slight discoloration is allowed, no blistering, rust, or shedding	GB/T 1740 ISO 6270
Weather resistance	Artificial accelerated aging box	OUV-B313500H M 3 level	GB 1865 ISO 11341
Water resistance	Steaming water	20 cycles allow coarsening, but no blistering	GB/T1733 ASTM D 2247
Flame retardancy	Third-party test	ISW35	ASTM E162
Third-party test	DS(1.5)W1OO DS(4.0)W165	ASTME662
Third-party test	V0 grade	UL-94

Superior Protection and Lasting Appearance

Our powder coating delivers outstanding metal protection while enhancing the visual appeal of rail transit interiors. Its excellent adhesion, high impact resistance, and impressive corrosion resistance guarantee that surfaces remain intact and vibrant, even in challenging, high-humidity conditions. Compatibility with various finishes and colors allows designers to achieve their ideal interior ambiance.

Eco-Friendly and Safe Solution

This powder coating contains zero VOCs, ensuring no harmful emissions during application or use. Classified as non-toxic under recommended guidelines, it supports healthier environments for passengers and staff, while meeting strict industry standards. The 12-month storage stability further ensures product performance without environmental compromise.

FAQ's of Rail Transit Interior powder coating:

Q: How is the Rail Transit Interior powder coating applied?

A: The powder coating is applied using an electrostatic spray process, providing efficient and uniform coverage on metal rail transit interior surfaces. It is then cured at 180-200C for 10-15 minutes to achieve a durable finish.

Q: What color and finish options are available for this powder coating?

A: A wide range of colors is available, customizable via RAL or Pantone codes. Finish options include glossy, matte, and texture, allowing you to tailor the look to your specific design requirements.

Q: When is this powder coating recommended for use?

A: This coating is best used when superior adhesion, corrosion resistance, and environmental safety are priorities-especially in rail transit interiors where durability and appearance must be maintained in high-humidity or demanding environments.

Q: Where can this powder coating be effectively applied?

A: It is ideally suited for use on interior metal surfaces within rail transit vehicles, including trains and metro cars, where both protective and decorative qualities are essential.

Q: What benefits does this powder coating offer over conventional paints?

A: Compared to traditional paints, it offers zero VOC emissions, excellent corrosion resistance, and a longer-lasting, more durable finish. It is also non-toxic, providing a safer choice for enclosed public spaces.

Q: What is the recommended storage condition for this powder coating?

A: Store the powder in dry conditions below 25C. When stored properly, it maintains its stability and performance for up to 12 months from the manufacturing date.

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