Sandwich Wall PPGI PPGL Iron Bobina

Traffic warning printing PPGI/PPGL prepainted galvanized/aluzinc steel coil is designed for buildings with high safety requirements. It uses DX51D-DX53D high-strength substrates, and uses digital printing technology to achieve customized patterns such as reflective warning strips, arrow signs, safety slogans, etc., and is covered with environmentally friendly polyester (PE) or fluorocarbon (PVDF) coating. The product is suitable for sandwich wall panels, metal roofs, isolation guardrails, road facilities and other fields, providing dual guarantees of durability and warning functions.

Core advantages

High visibility warning design

Supports printing of safety colors such as fluorescent yellow, orange-red, blue-white, etc., with a reflectivity of ≥80% (ASTM E810 standard).

Pattern accuracy ±1.5ΔE, anti-UV fading, and color stability for 10 years of outdoor use.

Graded substrate adaptation scenarios

DX51D (yield strength ≥245MPa): general type, suitable for conventional sandwich walls and roofs.

DX53D (yield strength ≥ 320MPa): deep drawing grade, used for complex shape fences.

Military grade protection performance

Galvanized layer ≥ 85g/㎡, salt spray test over 1000 hours, resistant to acid rain and sea breeze corrosion.

Fluorocarbon coating thickness ≥ 25μm, hardness 3H, scratch and impact resistance.

Exclusive advantages of sandwich walls and roofs

Sandwich walls:

Low thermal conductivity (≤ 0.04W/(m・K)), improves building insulation performance.

Hydrophobic coating design reduces condensation risk and extends wall life.

Metal roof:

High-strength substrate resists snow accumulation and wind uplift, suitable for 760/820 corrugated sheets.

Optional fireproof coating (B1 grade) to meet fire protection needs.

Environmental protection and construction convenience

Water-based ink complies with EU RoHS standards and does not release formaldehyde.

Can be directly cold-bent, suitable for automated production lines, and construction efficiency is increased by 40%.

Technical parameters

Project Index

Substrate Galvanized (GI) / Alu-zinc (GL) steel plate (DX51D-DX53D)

Thickness 0.5-1.0mm (sandwich wall) / 0.6-1.2mm (roof)

Width 914-1250mm (customizable)

Coating Fluorocarbon (PVDF), Polyester (PE)

Printing accuracy 600dpi, support CMYK/Pantone full color gamut

Reflectivity ≥80% (white) / ≥50% (other colors)

Fire rating B1 (optional)

Application scenarios

Road facilities: soundproof walls, anti-collision guardrails, tunnel entrance signboards.

Industrial buildings: safety warning walls of chemical plants and power plants.

Public areas: parking lot guide boards, gymnasium evacuation channel signs.

Emergency projects: flood control baffles, earthquake-resistant board house warning signs.

Customized service

Pattern customization: provide standard templates or sample designs such as arrows, zebra crossings, safety slogans, etc.

Function upgrade:

Thermal insulation coating (thermal conductivity ≤ 0.03W/(m・K))

Self-cleaning coating (contact angle ≥ 150°)

Electromagnetic shielding coating (shielding effectiveness ≥ 30dB)

Plate development: support trapezoidal, wavy, flat and other sandwich wall special plate mold opening.

Why choose us?

✅ Military certification: passed GJB 150A military equipment environmental test, ISO 9001/14001 system certification.

✅ Patented technology: 3 reflective printing patents, warning effect leading the industry.

✅ Full process service: provide a one-stop solution from design, production to installation.

Application Cases

Case 1: A highway soundproof wall project

Products used: DX52D galvanized steel coil (fluorocarbon coating + fluorescent yellow warning strip printing)

Solution:

0.8mm thick substrate rolled into trapezoidal sandwich wallboard

The fluorescent yellow warning strip has a reflectivity of 85%, and the nighttime visibility distance exceeds 500 meters

The fluorocarbon coating has been tested for 1200 hours in salt spray, which is suitable for the humid coastal climate

Results: Traffic accident rate decreased by 40%, and maintenance costs decreased by 60%

Case 2: Chemical plant safety protection project

Products used: DX51D galvanized steel coil (silicon modified polyester coating + red warning printing)

Solution:

0.6mm thick substrate made into 900 type corrugated roof board

Red warning slogan printing complies with GB 2894 safety sign standard

Silicon modified polyester coating has 30% higher acid and alkali resistance