AA1085 H18 Anodized Aluminum Mirror Sheet 86% Reflectivity

AA1085 H18 Anodized Aluminum Mirror Sheet – Up to 86% Reflectivity

AA1085 H18 anodized aluminum mirror sheet is manufactured from high-purity 1085 aluminum with a minimum aluminum content of approximately 99.85%. The H18 full-hard temper provides high rigidity and dimensional stability, while precision surface finishing and anodizing create a bright reflective aluminum surface for lighting, display and decorative applications.

The mirror surface can achieve reflectivity of up to 86% under the agreed measurement method. Standard thicknesses range from 0.2 mm to 1.0 mm, with widths of 1000 mm, 1200 mm and 1250 mm. This product is currently supplied in sheet form rather than coil.

Typical applications include LED and commercial-lighting reflectors, light-box reflector panels, display systems, elevator interiors, furniture surfaces, ceilings and decorative architectural panels where low weight, metallic appearance and controlled light reflection are required.

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Why Use AA1085 for Anodized Mirror Aluminum?

High-Purity 1085 Aluminum Substrate

AA1085 contains a minimum of approximately 99.85% aluminum. The low level of alloying and impurity elements supports a clean, bright surface after polishing and surface treatment, making the alloy suitable for reflective and decorative aluminum products.

H18 Full-Hard Temper for Rigidity and Flatness

H18 is a fully strain-hardened temper. Compared with softer tempers, it provides greater stiffness and shape retention, which is useful for flat reflector sheets, decorative panels and precision-cut components where dimensional stability is important.

Because H18 has relatively low ductility, severe deep drawing or tight-radius forming is not its primary application. Any bending or profiling operation should be validated using the actual thickness, bend radius and anodized surface condition.

Mirror Surface with Protective Anodized Layer

The aluminum surface is finished to produce a bright reflective appearance and then anodized to form a controlled aluminum-oxide layer. The anodized layer improves surface hardness and corrosion resistance while protecting the reflective aluminum surface from normal handling and environmental exposure.

Product Parameters

Reflectivity note: A reflectivity percentage should be compared using the same test basis. Total reflectance, specular reflectance and reflectance at a specific wavelength are different optical parameters. Please specify the required measurement method when reflectivity is a critical design value.

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Understanding the 86% Reflectivity Specification

Total Reflectance vs. Specular Reflectance

A mirror-like appearance does not by itself define optical performance. Total reflectance measures all reflected light, while specular reflectance describes the directional mirror component. Lighting and display engineers should identify which parameter is required for the finished reflector design.

Wavelength Range and Test Method Matter

Reflectivity changes with wavelength and surface construction. When an 86% target is required, the purchase specification should define whether the value refers to visible-light reflectance, solar-weighted reflectance or another agreed measurement range.

Standard Anodized Mirror vs. Enhanced Reflector Materials

An anodized aluminum mirror sheet in the mid-80% reflectance range is suitable for many lighting and decorative applications. Projects requiring reflectance above 90% may require a different enhanced reflective surface, such as a vacuum-deposited or multilayer optical coating system.

Advantages of AA1085 H18 Anodized Mirror Sheet

High Reflective Surface

Reflectivity of up to 86% provides an efficient aluminum reflector surface for suitable lighting, backlighting and illuminated-display applications without the weight of conventional glass mirror constructions.

High Rigidity and Shape Stability

The H18 full-hard temper improves sheet stiffness and resistance to handling deformation. This is useful for flat panels and cut reflector components that need to retain a consistent geometry after fabrication and installation.

Durable Anodized Surface

Anodizing forms a hard aluminum-oxide layer integrated with the substrate rather than a separate painted film. Proper anodizing and sealing can improve resistance to oxidation, fingerprints, cleaning and routine environmental exposure.

Low Weight for Large Reflective Panels

Aluminum provides a low-density reflective substrate for large-area lighting and decorative panels. This can simplify handling and reduce finished-component weight compared with heavier mirror systems.

Controlled Flatness and Thickness

Target flatness of ≤0.5 mm/m and thickness tolerance of ±0.02 mm can support panel fabrication and reflector assembly where consistent sheet geometry is required. Final tolerances should be confirmed for the selected gauge and sheet size.

Lighting and Reflector Applications

LED and Commercial Lighting Reflectors

AA1085 anodized mirror sheet can be cut and fabricated into reflector panels and components for downlights, commercial luminaires, spotlights and other lighting systems. Final light-distribution performance depends on reflector geometry as well as material reflectance.

Studio, Photography and Stage Lighting

The mirror surface can be used for suitable reflector components where directional light management is required. Lighting designers should confirm specular reflectance and surface geometry where beam control is more important than total reflectance alone.

Display Backlighting and Light Boxes

Reflective aluminum panels can be used behind suitable LED arrays in advertising light boxes and illuminated display systems to redirect otherwise lost light and support more efficient use of the light source.

Decorative and Architectural Applications

Elevator and Interior Panels

Mirror aluminum can be used for decorative elevator panels, wall accents, ceilings and interior trim. The lightweight reflective surface can visually increase brightness and create a metallic mirror effect without using conventional silvered glass.

Furniture and Display Panels

Applications include wardrobe-door inserts, cabinet fronts, retail displays and decorative furniture panels where a bright metallic finish and low component weight are required.

Ceilings and Wall Panels

Sheets can be cut into decorative inserts or larger panels for hotels, shopping malls, offices and commercial interiors. Installation design should protect the mirror surface from scratching and uncontrolled panel distortion.

Exterior Architectural Use

Exterior use should only be specified after confirming anodic film thickness, sealing quality, corrosion exposure and weathering requirements. A standard indoor reflector-grade anodized surface should not automatically be assumed suitable for long-term façade exposure.

Highly reflective exterior panels should also be evaluated for glare, reflected sunlight and surrounding-building conditions as part of the architectural design.

Fabrication and Handling Guidance

Cutting and CNC Processing

H18 sheet is suitable for cutting, blanking and precision panel fabrication using appropriate tooling. Protective film can help reduce scratches during cutting, handling and assembly.

Bending Requires Process Verification

Because H18 is full hard and the surface is anodized, tight-radius bending can create surface cracking or alter the mirror appearance. Any formed component should be trialed using the actual gauge, anodic film and required bend radius.

Protective Film and Clean Handling

Mirror surfaces should be protected against abrasive contact, fingerprints and metal chips during fabrication. Where protective film is supplied, storage temperature, removal time and UV exposure conditions should follow the agreed film specification.

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Quality Control

Inspection requirements can be agreed according to the finished reflector or decorative application. Optical projects should define the reflectance parameter and measurement basis rather than relying only on visual mirror appearance.

• AA1085 alloy verification

• H18 temper confirmation

• Thickness and width inspection

• Sheet flatness measurement

• Reflectivity testing according to agreed method

• Mirror surface appearance inspection

• Anodized surface condition inspection

• Protective-film and packaging inspection where applicable

Lighting Reflector Application

Information Required for a Quotation

For faster technical review and pricing, please provide the required thickness, width, sheet length, quantity, application, target reflectivity and fabrication method.

For lighting or optical-reflector projects, please also specify whether total or specular reflectance is required, the relevant wavelength range, surface orientation and reflector geometry. For exterior decoration, provide the expected environment and anodizing durability requirements.

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FAQ

What is AA1085 H18 anodized aluminum mirror sheet?

It is a high-purity AA1085 aluminum sheet supplied in full-hard H18 temper with a bright reflective surface and protective anodized layer. It is designed for lighting, display and decorative applications requiring a lightweight metallic reflector.

What does H18 mean?

H18 means the aluminum has been strain hardened to a full-hard condition. This increases stiffness and strength but reduces ductility compared with softer tempers.

What does 86% reflectivity mean?

The product can achieve reflectivity of up to 86% under an agreed measurement method. For engineering comparison, buyers should specify whether they require total reflectance, specular reflectance or reflectance over a defined wavelength range.

Is 86% reflectivity suitable for LED lighting reflectors?

It is suitable for many standard lighting-reflector applications. High-performance luminaires requiring total reflectance above 90% may require an enhanced reflective surface rather than conventional anodized mirror aluminum.

What thicknesses and widths are available?

Common thicknesses range from 0.2 mm to 1.0 mm. Standard widths are 1000 mm, 1200 mm and 1250 mm. This product is currently supplied as sheet rather than coil.

Can AA1085 H18 mirror sheet be bent?

Limited bending is possible with suitable radii, but H18 is full hard and therefore less ductile than softer tempers. Tight bends can also damage the anodized mirror surface, so forming trials are recommended.

Can anodized aluminum mirror sheet be used outdoors?

Outdoor use depends on the anodic film thickness, sealing quality, local environment and required appearance retention. A standard reflector-grade anodized surface should not automatically be treated as an exterior architectural grade without confirming the relevant durability specification.

Is this sheet suitable for precision optical mirrors?

It is primarily a reflective sheet material for lighting, display and decorative applications. Precision optical systems may require tighter specifications for specular reflectance, wavelength response, surface roughness and optical flatness.

How should the mirror surface be cleaned?

Use a soft, non-abrasive cloth and a mild cleaner compatible with anodized aluminum. Abrasive pads, aggressive alkaline or acidic cleaners and sharp tools should be avoided unless their compatibility has been confirmed.

What information is needed for accurate pricing?

Please provide thickness, width, sheet length, quantity, application and target reflectivity. For lighting projects, total or specular reflectance requirements and wavelength range are also useful for technical confirmation.

Request an AA1085 H18 Anodized Mirror Sheet Quote

If you manufacture lighting reflectors, illuminated displays, elevator panels, furniture or decorative architectural components, send us your required thickness, width, sheet dimensions, reflectivity target and order quantity. Our technical sales team can review the specification and prepare a quotation and sample proposal.

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