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This product is a non-alloy mill finish aluminum sheet/coil designed for air conditioner and HVAC applications.
With high thermal conductivity, excellent formability, and stable performance, it is widely used as the base material for heat exchangers, evaporators, condensers, and other cooling system components.
Excellent Thermal Conductivity – High-purity non-alloy aluminum ensures outstanding heat transfer, ideal for evaporators and condensers.
Smooth Mill Finish Surface – Clean, flat surface without coatings for efficient thermal performance.
Customizable Dimensions – Thickness, width, and coil length can be tailored to your requirements.
Corrosion Resistance & Durability – Optional pre-treatment or anti-oxidation process extends service life.
Strict Quality Control – Each coil is inspected before delivery; secure packaging guarantees safe transportation.
Alloy Type: Non-alloy high-purity aluminum (typical grades 1050, 1060, etc.)
Thickness Range: 0.2 mm – 2.0 mm (customized available)
Width & Coil Size: Common widths 300 mm – 1550 mm; coil weight tailored per order
Surface Condition:
Mill finish (as-rolled surface)
Optional pre-treatment / anti-oxidation (degreasing, phosphating, sealing, etc.)
Additional Processing: Slitting, leveling, punching, edge trimming, customized packaging
| Item | Value / Range | Notes |
|---|---|---|
| Thickness | 0.2 – 2.0 mm | Common: 0.4 / 0.5 / 0.6 mm |
| Width | 300 – 1550 mm | Custom sizes available |
| Alloy | 1050 / 1060 (non-alloy) | High thermal conductivity |
| Surface | Mill finish / Pre-treated | Anti-corrosion optional |
| Flatness | ≤ 0.5 mm per meter | Ensures stability |
| Thermal Conductivity | ~200 W/(m·K) | Material reference |
| Temperature Range | –40 ℃ to +120 ℃ | Suitable for HVAC |
| Coil Weight | Up to 5 tons (typical) | For safe handling & shipping |
The following application scenarios reflect realistic, high-value uses of mill finish aluminum sheet. You can choose the ones most relevant and tailor them to your target customers.
Architectural Cladding & Facades
The mill finish aluminum sheet is widely used in exterior cladding systems, curtain walls, sunshades, and façade panels. Its raw metallic appearance gives a modern, industrial aesthetic. It also resists corrosion, weathering, and requires low maintenance.
Roofing, Siding & Soffits
In roofing and siding applications, mill finish aluminum can serve as substrate or backing panel. Its natural oxide layer affords basic corrosion resistance, and with proper protective treatment or coating, it becomes durable for long-term outdoor exposure.
Interior Wall Panels / Decorative Elements
For interior architectural features (accent walls, partitions, ceiling panels), mill finish aluminum offers a sleek, minimalist look. It can be left “as is” or later coated, painted, or overlaid with decorative finishes.
Outdoor / Indoor Signage & Billboard Substrate
The smooth, flat surface of mill finish aluminum is ideal as a substrate for vinyl, screen printing, digital graphics, or engraving. Because it is dimensionally stable and light, it is often used in signboards, channel letters, display backers, and exhibition panels.
Storefronts / Display Fixtures
As part of display fixtures, shop fronts, promotional walls, or POS displays, the aluminum sheet offers rigidity with lightweight construction. Its surface can be customized or masked for branding finishes.
Heat Exchangers, Evaporator / Condenser Coils
Because of its good thermal conductivity, mill finish aluminum serves as the base sheet or fin substrate in HVAC systems, refrigeration units, air conditioners, and cooling units.
Ducting & Air Handling Components
In ventilation systems and air handling units, aluminum sheet is used for duct panels, transition fittings, and casing parts, especially where weight, corrosion resistance, and ease of fabrication matter.
Automotive Trim & Structural Components
Mill finish aluminum sheet is used for trim pieces, interior panels, door panels, roof modules, or non-structural parts. Its lightweight nature helps reduce vehicle weight. After forming, it can be coated or painted for aesthetics.
Rail / Ship / Trailer Panels
In rail car interior panels or trailer body skins, aluminum’s corrosion resistance, durability, and light weight are advantages. Mill finish aluminum may be subsequently coated or laminated for additional protection and finish.
Appliances & Electrical Enclosures
As housings, back panels, or chassis in appliances, electronics, or equipment enclosures, mill finish aluminum is a cost-effective, conductive and corrosion-resistant base material.
Furniture / Fixtures / Decorative Products
For modern furniture or shelving, lighting fixtures, signage stands, architectural furniture, aluminum sheet is used for its rigidity, formability, and modern look.
Industrial Machine Panels & Protective Coverings
In machinery covers, guards, access panels, or structural skins, mill finish aluminum is widely used due to low weight, corrosion resistance, and ability to be processed (cut, punch, bend).
Customization Options: Thickness, width, coil length, surface treatment, leveling, slitting, edge trimming
MOQ: From 1 ton (depending on specifications)
Lead Time: Standard stock 7–10 days; customized orders 10–20 days
Packaging:
Moisture-proof plastic film + vertical/horizontal strapping
Wooden pallets / crates with anti-shock protection
Barcode and label tracking for easy identification
Shipping: Sea freight, land, or air available worldwide
100% inspection before shipment: thickness, width, flatness, surface condition
Mill Test Certificate (MTC) / Quality Report provided with each batch
Compliance available upon request: ISO 9001 / ISO 14001 / ASTM / GB / RoHS
Samples available for testing prior to bulk orders
A: Mill finish aluminum refers to the aluminum surface in its raw, untreated state directly from the rolling mill. It has no additional coating, anodizing, polishing, or decorative finish.
A: Mill finish is more cost-effective since no extra surface treatment is applied. It retains good thermal and electrical conductivity, and is easy to fabricate (cut, bend, punch). For applications where aesthetics are secondary or where post finishes will be applied, mill finish is often preferred.
A: Because it is unprotected, the surface is more susceptible to oxidation (white oxide), scratching, stains, and aesthetic inconsistencies. In harsh environments (marine, high humidity, pollutants), additional protective coatings or sealing may be required.
A: Yes. Mill finish aluminum is a good substrate for secondary surface treatments like anodizing, powder coating, painting, or laminates. Before coating, proper pretreatment (cleaning, etching, primer) is needed to ensure adhesion and durability.
A: Aluminum naturally forms a thin oxide layer when exposed to air, which imparts basic corrosion resistance. However, this protection is limited compared to anodized or coated aluminum. In aggressive environments, additional protection is advisable.
A: Typical thickness ranges from ~0.2 mm up to several millimeters, and widths from a few hundred millimeters up to ~1500 mm or more, sometimes in coil form. The exact specs depend on the manufacturer and customer requirements.
A: For general maintenance, use a mild detergent solution and soft cloth or sponge. Avoid abrasive cleaners or harsh chemicals. If exposed outdoors or in corrosive environments, periodic sealing or protective coatings can prolong the surface finish.
