Lacquered Aluminum Sheet for Exhaust Smoke Outlets & HVAC Ventilation Pipes, RAL Custom Color Aluminum Coil

Product Overview

Our lacquered aluminum sheet coil is professionally engineered for exhaust smoke outlets and HVAC ventilation pipe cladding and wrapping. Adopting premium 1100 and 3003 aluminum alloy with durable PE and PVDF lacquer coating, this aluminum material features excellent heat resistance, anti-corrosion performance and superior bendability. It supports full RAL custom colors and customized dimensions, perfectly fitting industrial ventilation ducts, smoke exhaust systems and outdoor HVAC piping projects with long-term stable service performance.

Product Technical Parameters

Core Product Advantages

Excellent Heat & Smoke Resistance:

Special formula coating adapts to long-term exhaust smoke and high-temperature ventilation environments, resisting heat aging and surface discoloration, ideal for smoke outlet long-term operation.

Superior Anti-Corrosion Performance:

Effectively resists acid, alkali and humid air corrosion, prevents galvanic corrosion with metal brackets and fasteners, solves duct surface rust and peeling problems in industrial and outdoor environments.

Great Formability & Processability:

H14/H24 tempered substrate with flexible lacquer layer, no cracking or peeling after bending, rolling and trimming, suitable for various ventilation pipe curved and shaped processing.

Smooth Surface & Custom Appearance:

Uniform coating without color difference, supports all RAL color customization, improves the overall aesthetics of HVAC piping and smoke exhaust equipment.

Lightweight & Durable:

Low-density aluminum base reduces overall load of ventilation system, outdoor service life up to 10-20 years (PVDF coating), low maintenance cost.

Stress Balance & Flatness Stability:

Matched reverse side varnish coating balances internal stress, avoids oil-canning and surface ripples after long-term use and temperature changes.

Main Applications

Exhaust Smoke System:

Surface cladding and anti-corrosion wrapping for building smoke outlets, smoke exhaust ducts, fire smoke ventilation pipes.

HVAC Ventilation System:

Outer protective coating of central air-conditioning ventilation pipes, fresh air ducts, industrial ventilation pipelines.

Insulated Duct Material:

Matching use with PIR/PUR insulation panels for pre-insulated HVAC duct surface protection and decoration.

Industrial & Commercial Buildings:

Outdoor ventilation equipment surface finishing, factory exhaust pipe anti-rust and decorative cladding.

Coating Covering & Physical Properties

Coating Selection Guide

PE Polyester Coating:

Cost-effective choice, suitable for indoor HVAC ventilation pipes, short and medium-term outdoor smoke exhaust projects, stable performance and high cost performance.

PVDF Fluorocarbon Coating:

High-end weather-resistant option, recommended for long-term outdoor exposed smoke outlets and industrial ventilation pipes, anti-fading and anti-corrosion for more than 15 years.

FAQ

Q1: Can this lacquered aluminum sheet be used for bent ventilation pipes?

A1: Yes. Adopting H14/H24 flexible temper and flexible lacquer formula, it supports various bending and rolling processing without coating cracking, perfectly suitable for special-shaped ventilation and smoke duct production.

Q2: What is the function of the reverse side clear varnish?

A2: The back protective varnish isolates galvanic corrosion between aluminum and iron brackets, balances plate stress to avoid surface ripples, and prevents oxidation and scratches during storage and construction.

Q3: Can customized colors and sizes be provided?

A3: Full RAL color customization is supported, and thickness, width and coil weight can be tailored according to customer HVAC and smoke duct project requirements.