Ultra-high reflectivity aluminum mirror sheet

1373 Mga Pananaw 2026-02-06 06:02:47

haluang metal	1050,1085,3003,5005,5052, atbp.
Temper	O, H12, H14, H16, H18, H22, H24, H26, H32, H112
Ang kapal	0.1-500mm, Ipasadya ang
Sukat	4×8', 5×10', 10002000mm, 10001500mm, 1500 x 3000mm, Ipasadya ang
Ibabaw	Tapos na ang Mill, Pvd, Electrochemical Polishing, atbp.
Port	Shanghai, Qingdao
Pera ng pera	USD, EUR, RMB

Whatsapp E-mail Makipag ugnay sa

Talaan Ng Mga Nilalaman SHOW

1. Panimula

Ultra-high reflectivity aluminum mirror sheets combine a lightweight metal substrate with precision surface finishing and protective coatings to deliver mirrors that are both optically excellent and mechanically practical.

Depending on process and protection, modern aluminum mirror sheets deliver visible reflectance typically in the 92–98% range, very low hemispherical emissivity (≈0.03–0.06 for polished surfaces), and excellent thermal conductivity (~235 W·m⁻¹·K⁻¹).

They find high value in solar concentrating systems, lighting reflectors, architectural façades, optical instruments and lightweight mirrors for aerospace.

Specifiers should pick the substrate alloy, finishing route and protective overcoat to balance peak reflectivity, tibay ng katawan, formability and cost.

Henan Huawei Aluminyo Co., Ltd. (Huawei) supplies mirror-grade aluminum and runs test protocols (spectral reflectance, BRDF/TIS, Hadhad, pagdikit, weathering) to assure performance for each project.

Ultra-high reflectivity aluminum mirror sheet

2. What is Ultra-High Reflectivity Aluminum Mirror Sheet?

Isang ultra-high reflectivity aluminum mirror sheet is an aluminum substrate whose front surface has been processed to achieve very high specular reflectance and low scatter across a target spectral band (commonly visible 400–700 nm, solar 300–2500 nm, or infrared). Key elements:

Substrate — aluminum alloy coil or plate chosen for polishability, formability and stiffness.
Surface finishing — mechanical polishing, electropolishing and/or chemical polishing to reduce micro-roughness.
Optical enhancement — protected aluminum deposited in vacuum or dielectric overcoats applied to boost and stabilise reflectivity.
Proteksyon — thin transparent overcoats (hal., SiO₂, ALD oxides, lacquer) or laminates to protect against oxidation, abrasion and environmental attack.

Performance threshold (tipikal na):

Specular visible reflectance: 92%–98% depending on process and coating.
Total integrated scatter (TIS) for high-quality sheets: < 1% (visible band).
Pagkamagaspang ng ibabaw (RMS) for precision optics: ≤ 5–20 nm (process dependent).

(Always request supplier spectral curves and BRDF scans for contract acceptance; numbers above are representative.)

3. Properties of Ultra-High Reflectivity Aluminum Mirror Sheets

3.1 Optical properties (typical ranges)

Metriko	Typical value (note)
Visible specular reflectance (400–700 nm)	92–98% (protected vacuum-coated Al often 95–98%)
Solar band reflectance (300–2500 nm)	88–96% (depends on IR behavior)
Total integrated scatter (TIS)	<1% for high-grade optical finish
Pagkamagaspang ng ibabaw (RMS)	≤ 5–20 nm for precision; decorative mirrors may be 50–200 nm
BRDF sharpness	Low off-specular lobe for mirror performance

3.2 Thermal & mga katangiang pisikal

Thermal kondaktibiti (Al): ≈ 235 W·m⁻¹·K⁻¹ — ensures rapid heat spreading under concentrated flux.
Emissivity (polished Al): 0.03–0.06 (mababa ang, useful for radiative control).
Densidad ng katawan: ≈ 2.70 g·cm⁻³ — lightweight vs glass (≈2.5 g·cm⁻³ but glass is brittle and heavy in panel form).
Mekanikal: can be supplied as thin foils to stiff panels (hal., laminated to honeycomb) to meet stiffness/planarity.

3.3 Durability indicators

Abrasion resistance and adhesion depend on the protective overcoat; standard tests used include Taber abrasion, cross-cut adhesion (ASTM D3359), at spray ng asin (ASTM B117) for outdoor durability of coated mirrors.

aluminum mirror sheet for lampshad

4. Mga Materyal & Alloy Selection

4.1 Substrate Alloy Systems

The selection of aluminum alloy fundamentally determines mechanical properties, surface quality potential, and optical performance.

High-purity alloys are preferred for mirror applications to minimize intermetallic inclusions that scatter light.

1xxx Serye (Commercially Pure Aluminum)

haluang metal	Al Content	Mga Pangunahing Katangian	Mirror Applications
1050	99.5%	Napakahusay na paglaban sa kaagnasan, high ductility, good polishability	Deep-drawn reflectors, pandekorasyon
1060	99.6%	Higher purity than 1050, improved surface finish	High-end lighting, solar
1085	99.85%	Very high purity, minimal intermetallics, superior optical quality	Precision optics, laser reflectors
1090	99.90%	Ultra-high purity, exceptional surface smoothness possible	Scientific instruments, aerospace

3xxx Serye (Aluminum-Manganese)

3003: 1.0-1.5% Mn, 20% stronger than 1xxx, magandang formability, excellent for brake-formed reflectors
3005: Mas mataas na lakas, improved anodizing response for architectural applications
3105: Modified 3003 with better strength-ductility balance for complex forming

5xxx Serye (Aluminyo-Magnesium)

5005: Katamtamang lakas, Napakahusay na kalidad ng anodizing, marine-grade corrosion resistance
5052: Mas mataas na lakas (25% stronger than 3003), magandang formability, preferred for structural optical components

4.2 Alloy Selection Matrix by Application

Paglalapat	Recommended Alloy	Temper	Rationale
LED downlight reflectors	1050, 1060	O, H14	Maximum reflectance, deep drawing capability
CSP parabolic troughs	1085, 5052	H19, H32	High reflectance + structural rigidity
Automotive headlamps	3003, 5005	H14, H16	Formability, thermal katatagan, cost balance
Mga panel ng arkitektura	5005, 3003	H34, H44	Tibay ng buhay, color consistency
Electronic backlighting	1060, 1085	O	Maximum photometric efficiency
Solar cookers	1050, 1060	H14	Cost-effective high reflectance

5. Manufacturing and Surface Finishing Processes

Achieving over 95% reflectivity is a multi-stage, high-tech process.

Substrate Preparation: A coil of high-purity aluminum is produced.
Electrochemical Polishing: The coil is passed through an electrochemical bath. This process smooths the surface at a microscopic level, removing imperfections and creating a flawless, ultra-flat base. This is critical for maximizing specular reflection.
Pisikal na Vapor Deposition (PVD): This is the key step. The polished coil enters a large vacuum chamber where a multi-layer optical coating is applied. A typical coating stack includes:
- Reflective Layer: A layer of ultra-pure (99.99%) aluminum or sometimes silver is deposited to boost the primary reflection.
- Dielectric Enhancement Layers: Several alternating layers of transparent dielectric materials (like SiO₂, TiO₂) are applied. These layers use the principles of optical interference to suppress reflection at unwanted wavelengths and enhance it in the desired spectrum (hal., visible light), pushing the total reflectance towards its physical limit.
- Protective Layer: A final, hard, transparent layer of a material like silicon dioxide (SiO₂) is deposited to protect the delicate optical layers from oxidation, Hadhad, and environmental attack.

Rolled mirror aluminum sheet

6. Optical and Thermal Performance

Optical Insight: The performance of this material is a powerful demonstration of applied physics. Halimbawa na lang, upgrading a lighting fixture’s reflector from a standard 86% reflective aluminum to a 95% ultra-high reflective sheet can increase the luminaire’s Light Output Ratio (LOR) ayon kay higit pa sa 10%. This means the fixture can produce the same amount of light using fewer LEDs or by running them at a lower, more efficient power, directly translating to cost and energy savings.
Thermal Performance: Aluminum’s excellent thermal conductivity allows the mirror sheet to also function as an effective heat spreader, drawing heat away from light sources like LEDs, which helps to prolong their lifespan and maintain their efficiency.

7. Applications of Ultra-High Reflectivity Aluminum Mirror Sheets

7.1 Concentrated Solar Power (CSP) and Solar Thermal

Parabolic Trough Collectors The largest application segment for ultra-high reflectivity aluminum, representing >60% of industrial demand:

Optical Requirements: SWSR >94%, specular error <3 mrad
Substrate: 5052-H32 or 3004-H34, 0.4-0.8 kapal ng mm
Pagbuo ng: Precision roll-forming into parabolic profiles (focal length accuracy ±1 mm)
Proteksyon: 20-25 μm anodic coating or fluoropolymer clear coat for 25-year service life
Market Scale: 12-15 million m² annual demand growth with CSP expansion

Mga Tore ng Solar (Heliostats)

Flat or slightly curved panels (1-150 m² area) tracking sun position
Aluminum advantages: Wind load resistance, impact resistance from sand/debris, field-adjustable mounting
Reflectance maintenance: >90% after 20 years with periodic cleaning

Concentrated Photovoltaics (CPV)

Primary and secondary optical elements concentrating sunlight 500-1000x onto high-efficiency cells
Precision requirements: Surface accuracy <0.5 mrad, specular reflectance >92%
Thermal management: Aluminum substrate provides heat spreading for cell cooling

Ultra-high reflectivity aluminum mirror sheet for Solar Towers

7.2 LED Lighting and Luminaires

Downlights and Spotlights

Parabolic reflectors (PAR, R, BR types) utilizing 1050-O aluminum deep-drawn to precise optical profiles
Efficiency gain: 15-25% higher lumens per watt vs. painted reflectors
Color consistency: Neutral reflectance preserves LED CCT (correlated color temperature)

Commercial and Industrial Lighting

High-bay reflectors for warehouses, mga dyimnasium, manufacturing facilities
Linear fluorescent/LED troffer reflectors utilizing roll-formed 3003-H14
Emergency lighting and exit sign reflectors meeting UL924 photometric requirements

Automotive Lighting

Headlamp reflectors (projector and reflector types) for halogen, HID, LED, and laser sources
Materyal: 5005-H16 or 3005-H25 with specialized high-temperature coatings withstanding 200°C continuous exposure
Regulatory compliance: ECE R48, SAE J1383 photometric standards

7.3 Architectural and Interior Applications

Mga Pandekorasyon na Panel

Ceiling tiles and linear systems (mga baffles, blades) creating luminous environments
Wall cladding with mirror or brushed finishes
Elevator interiors and column covers requiring scratch-resistant reflective surfaces

7.4 Consumer Electronics and Appliances

Display Backlighting

LCD/LED TV and monitor reflector sheets (EEFL, CCFL, LED edge-lit)
Materyal: 1060-O or 1085-O, 0.2-0.5 mm, reflectance >90%
Pagbuo ng: Precision stamping into complex 3D profiles for uniform luminance
Market: 200+ million units annually for TV alone

Mga Fixture ng Pag iilaw

Task lamps, under-cabinet lighting, decorative fixtures
Photocopier and scanner optical paths requiring precise reflectance uniformity

Appliance Interiors

Microwave oven cavities (1060 with specialized food-safe coatings)
Refrigerator interior liners (high reflectivity for illumination efficiency)
Oven interiors (high-temperature resistant grades)

7.5 Transportation and Aerospace

Aircraft Interiors

Cabin lighting reflectors (reading lights, mood lighting)
Overhead bin and sidewall panel trim
Pagbaba ng timbang: 50-60% mga bes. glass mirror alternatives
Fire safety: Meeting FAR 25.853 flammability requirements

Rail and Mass Transit

Interior lighting reflectors for passenger cars
Exterior signal and marker light reflectors
Station architectural elements

7.6 Scientific and Industrial Optical Systems

Laser Cavities and Beam Delivery

Pump chambers for solid-state lasers
Beam steering mirrors for CO₂ and fiber lasers (IR-optimized coatings)
Requirement: Surface figure <λ/10 at 632.8 nm for precision applications

Telescope and Instrumentation

Secondary mirrors for amateur and professional telescopes
Collimating optics for optical testing
Solar simulators for spacecraft testing

8. Comparison of Mirror Polishing Processes for Aluminum Plates

Metriko / attribute	Physical polishing	Chemical polishing	Electropolishing (EP)	PVD (protected Al + overcoat)
Typical RMS roughness (nm)	10 – 200	10 – 50	3 – 20	≤ 5 – 10 (depends on substrate)
Visible reflectance (400–700 nm)	92 – 95%	92 – 96%	93 – 96%	95 – 98%
Total integrated scatter (TIS)	~>1%	~1%	<1%	<<1%
Uniformity over large area	Katamtaman	Mabuti na lang	Very good	Napakahusay (if substrate prep done)
Formability after processing	Napakahusay	Napakahusay	Mabuti na lang	Good → Limited (coating ductility critical)
Durability without overcoat	Mga Maralita (oxidizes)	Mga Maralita	Improved	Mga Maralita (fresh Al oxidizes unless overcoated)
Durability with overcoat	Katamtaman	Katamtaman	Mataas na	Very high
Environmental impact	Abrasive waste	Chemical effluent (mataas na)	Chemical effluent + enerhiya	Energy intensive; less aqueous waste
Capital & per-m² cost	Low → Medium	Low → Medium	Katamtaman	Mataas na
Typical lead time / throughput	Mataas na (fast for coarse work)	Katamtaman	Katamtaman	Low → Medium (depends on equipment)
Best use cases	Pandekorasyon, interior mirrors	Uniform decorative/medium optics	Precision mirrors, heliostats, optical substrates	Highest-performance outdoor mirrors, CSP, precision optics

9. Huawei Quality Assurance

Achieving consistent, ultra-high reflectivity requires an exceptional level of process control.

A leading supplier like Henan Huawei Aluminyo Co., Ltd (HWALU) ensures top-tier quality through a comprehensive system:

Premium Substrate: Utilizing only high-purity aluminum coils from trusted sources as the base material.
Advanced Production Lines: Operating state-of-the-art PVD vacuum coating lines with precise control over every layer’s thickness and composition.
Rigorous Optical Testing: Employing integrated spectrophotometers to test and certify the total and specular reflectance of every coil produced, ensuring it meets the specified performance (hal., “95%” or “98%”).
Durability Testing: Conducting a full suite of tests including pencil hardness, pagdikit, and salt spray tests to guarantee the long-term performance of the coating.

10. Pangwakas na Salita

Ultra-high reflectivity aluminum mirror sheets occupy a unique niche: they combine very high optical performance kasama ang lightweight formability and practical durability when finished and protected correctly.

For large-area outdoor mirrors (solar concentrators, façades), protected vacuum-coated aluminum typically offers the best balance of reflectivity (95–98%), cost and ease of integration.

For precision optics, electropolished aluminum or silvered glass retain relevance. Procurement should specify full spectral curves, BRDF/TIS limits, abrasion and weathering tests, and require supplier QA documentation.

Henan Huawei Aluminum’s tailored test protocols and material traceability help reduce risk and accelerate project deployment.

Mga FAQ

Q1 — What reflectance should I require in a purchase specification?
A: Specify the spectral band and acceptance limits (halimbawa na lang: Visible 400–700 nm average reflectance ≥95%; TIS ≤1%; provide full spectral curve measured with integrating sphere). Don’t accept a single point number without the curve.

Q2 — How do coatings affect formability?
A: Thin dielectric overcoats (<300 nm) can follow modest forming; thicker or brittle coatings may crack on tight bends. Select coating chemistries with sufficient elongation or plan forming before coating.

Q3 — Are aluminum mirror sheets suitable for coastal installations?
A: Yes if they use a durable protective overcoat and design for drainage; require salt-spray and cyclic corrosion test data and specify maintenance intervals.

Q4 — How do I protect mirrors during installation?
A: Use peelable protective films, soft handling, and avoid contact with abrasive tools. After installation, clean with approved non-abrasive cleaners and follow manufacturer guidance.

Q5 — Can I recycle coated mirror sheets?
A: Yes — aluminum is highly recyclable. Coatings are typically oxidised/removed during remelt processes; recycling economics depend on local facilities.

Proseso ng paghahagis ng produksyon at ang pagpapakilala nito

Ang layunin ng pagtunaw at paghahagis ay upang makabuo ng mga haluang metal na may kasiya siyang komposisyon at mataas na kadalisayan ng matunaw, upang lumikha ng mga kanais nais na kondisyon para sa paghahagis ng mga haluang metal ng iba't ibang mga hugis.

Mga hakbang sa proseso ng pagtunaw at paghahagis: mga ka batch --- pagpapakain --- natutunaw na --- pagpapakilos pagkatapos matunaw, pag alis ng slag --- sampling bago ang pagsusuri --- pagdaragdag ng haluang metal upang ayusin ang komposisyon, nakakapukaw ng damdamin --- pagpipino --- static na Setting——Guide furnace casting.

Mainit na proseso ng produksyon ng pagulong at ang pagpapakilala nito

1. Mainit na pagulong sa pangkalahatan ay tumutukoy sa paggulong sa itaas ng metal recrystallization temperatura;
2. Sa panahon ng mainit na proseso ng pagulong, ang metal ay may parehong mga proseso ng pagpapatigas at paglambot. Dahil sa impluwensya ng bilis ng pagpapapangit, basta huli na ang recovery at recrystallization process, magkakaroon ng tiyak na gawaing pagpapatigas;
3. Ang recrystallization ng metal pagkatapos ng mainit na pagulong ay hindi kumpleto, na ang ibig sabihin ay, ang magkakasamang buhay ng recrystallized istraktura at deformed istraktura;
4. Ang mainit na pagulong ay maaaring mapabuti ang pagganap ng pagproseso ng mga metal at haluang metal, bawasan o alisin ang mga depekto sa paghahagis.

Proseso ng paghahagis at paggulong

Proseso ng paghahagis at paggulong: likidong metal, kahon sa harap (Kontrol sa antas ng likido), paghahagis at rolling machine (sistema ng pagpapadulas, paglamig ng tubig), paggupit ng makina, makina ng pag coiling.

1. Ang temperatura ng paghahagis at pagulong ay karaniwang nasa pagitan ng 680 o C at 700 o C. Ang mas mababa ang mas mahusay na, Ang matatag na paghahagis at rolling line ay karaniwang tumitigil nang isang beses sa isang buwan o higit pa upang muling tumayo. Sa panahon ng proseso ng produksyon, kinakailangang mahigpit na kontrolin ang antas ng likido ng front tank upang maiwasan ang mababang antas ng likido;
2. Ang pagpapadulas ay gumagamit ng C powder na may hindi kumpletong pagkasunog ng gas para sa pagpapadulas, na isa rin sa mga dahilan ng maruming ibabaw ng casting at rolling materials;
3. Ang bilis ng produksyon ay karaniwang sa pagitan ng 1.5m / min-2.5m / min;
4. Ang kalidad ng ibabaw ng mga produkto na ginawa sa pamamagitan ng paghahagis at paggulong ay karaniwang medyo mababa, at sa pangkalahatan ay hindi maaaring matugunan ang mga produkto na may espesyal na pisikal at kemikal na mga kinakailangan sa pagganap.

Malamig na proseso ng produksyon ng pagulong

1. Ang malamig na pagulong ay tumutukoy sa paraan ng paggulong ng produksyon sa ibaba ng temperatura ng recrystallization;
2. Hindi magkakaroon ng dynamic na recrystallization sa panahon ng proseso ng paggulong, at ang temperatura ay tataas sa temperatura ng pagbawi sa karamihan, at ang malamig na paggulong ay lilitaw sa isang trabaho hardening estado, at ang trabaho hardening rate ay magiging malaki;
3. Ang malamig na ginulong sheet at strip ay may mataas na dimensional na katumpakan, magandang kalidad ng ibabaw, unipormeng istraktura at pagganap, at mga produkto sa iba't ibang estado ay maaaring makuha sa heat treatment;
4. Malamig na pagulong ay maaaring i roll out manipis na strips, pero sabay sabay, ito ay may mga disadvantages ng mataas na pagkonsumo ng enerhiya para sa pagpapapangit at maraming mga pasa sa pagproseso.

Panimula sa pagtatapos ng proseso ng produksyon

1. Ang pagtatapos ay isang paraan ng pagproseso upang matugunan ng malamig na ginulong sheet ang mga kinakailangan ng customer, o upang mapadali ang kasunod na pagproseso ng produkto;
2. Ang mga kagamitan sa pagtatapos ay maaaring iwasto ang mga depekto na ginawa sa mainit na pagulong at malamig na proseso ng produksyon, tulad ng basag na gilid, may langis na, mahina ang hugis ng plato, natitirang stress, atbp. Kailangan nitong tiyakin na walang iba pang mga depekto na dinala sa proseso ng produksyon;
3. Mayroong iba't ibang mga kagamitan sa pagtatapos, pangunahin kabilang ang cross-cutting, pagputol ng hiwa, pag unat at pagtutuwid, annealing furnace, mga slitter, atbp.

Aluminyo haluang metal ay may mga katangian ng mababang density, magandang mekanikal na katangian, magandang pagganap ng pagproseso, di nakakalason, madaling i recycle, mahusay na electrical kondaktibiti, paglipat ng init at paglaban sa kaagnasan, kaya ito ay may malawak na hanay ng mga application.

Aerospace: ginagamit upang gumawa ng mga balat ng sasakyang panghimpapawid, mga frame ng fuselage, mga girder, mga rotors, mga propeller, mga tangke ng gasolina, mga panel ng pader at mga struts ng landing gear, pati na rin ang rocket forging rings, mga panel ng pader ng spacecraft, atbp.

Aluminyo haluang metal na ginagamit para sa aerospace

Transportasyon: ginagamit para sa kotse katawan istraktura materyales ng mga sasakyan, Mga Sasakyan ng Subway, mga kotse ng pasahero ng tren, mabilis na mga kotse ng pasahero, mga pinto at bintana, mga istante, mga bahagi ng automotive engine, mga aircon, mga radiator, mga panel ng katawan, mga gulong at mga materyales ng barko.

Application ng trapiko

Packaging: Ang lahat ng aluminyo pop lata ay pangunahing ginagamit bilang mga materyales sa packaging ng metal sa anyo ng mga manipis na plato at foils, at ginagawang lata, mga takip, mga bote, mga bariles, at packaging foils. Malawakang ginagamit sa packaging ng mga inumin, pagkain, mga pampaganda, mga gamot, mga sigarilyo, mga produktong pang industriya, mga gamot, atbp.

Application ng packaging

Pag-print: Pangunahing ginagamit upang gumawa ng PS plates, ang mga PS plate na nakabase sa aluminyo ay isang bagong uri ng materyal sa industriya ng pag print, ginagamit para sa awtomatikong paggawa ng plato at pag print.

Pag print ng PS

Dekorasyon ng arkitektura: aluminyo haluang metal ay malawakang ginagamit sa mga istraktura ng gusali, mga pinto at bintana, suspendido ang mga kisame, pandekorasyon na ibabaw, atbp. dahil sa magandang kaagnasan nito paglaban, sapat na lakas, mahusay na pagganap ng proseso at pagganap ng hinang.

Application ng konstruksiyon ng haluang metal ng aluminyo

Mga produktong elektroniko: mga computer, mga mobile phone, mga shell ng refrigerator, mga radiator, atbp.

Electronic application ng produkto

Mga gamit sa kusina: mga kaldero ng aluminyo, aluminyo basins, mga liner ng rice cooker, sambahayan aluminyo foil, atbp.

Application ng kusina

Packaging Ng Aluminum Sheet / Coil

Ang bawat detalye ng packaging ay kung saan namin ituloy ang perpektong serbisyo. Ang aming proseso ng packaging sa kabuuan ay ang mga sumusunod:

Paglalamina: malinaw na pelikula, asul na pelikula, mikro-mucosal, mataas na mucosal, laser pagputol ng pelikula (2 mga tatak, Novacell at Polyphem);

Proteksyon: mga tagapagtanggol ng sulok ng papel, mga pads laban sa presyon;

pagpapatayo ng mga: desiccant;

Tray: fumigated hindi nakakapinsala kahoy na tray, magagamit muli ang bakal na tray;

Pag-iimpake: Tik-tik-toe bakal sinturon, o PVC packing belt;

Kalidad ng Materyal: Ganap na libre mula sa mga depekto tulad ng puting kalawang, mga spot ng langis, mga rolling mark, pinsala sa gilid, mga baluktot, mga dent, mga butas, mga break lines, mga gasgas na, atbp., walang coil set.

Port: Qingdao o iba pang mga port sa China.

Lead oras: 15-45 mga araw.