Covestro Makrolon AL2447 automotive headlights PC shell

Covestro Makrolon AL2447 PC

Application：Auto headlamp shade, Automotive applications, Automotive lighting

Melt index: 20 g/ 10 min

Package: 25kg / Bag
Get Quotation

 Covestro Makrolon AL2447 PC Description 

Makrolon AL2447 is optical grade polycarbonate resin (PC material) produced by Covestro A.G. This material is specifically designed for automotive applications. It offers excellent optical properties and contains UV stabilizers, has a good melt volume rate (MVR) and favorable processing conditions, and is commonly used in the production of headlight lenses.

Covestro Makrolon AL2447 PC Advantage

  • Automotive applications PC. Makrolon AL2447 PC resin was developed specifically for automotive headlight housings and offers excellent impact resistance, Its Izod notched impact strength at 23°C / 3.0 mm reaches 65 P kJ/m². This material forms a strong bond with scratch-resistant coatings, improving the scratch resistance of PC; at the same time, it contains UV-resistant components, resulting in minimal color change during long-term outdoor use and delaying the degradation of the material’s performance.
⚠️The combination of Makrolon AL2447 PC resin and scratch-resistant coating has been certified by AMECAandUNECE, ensuring it can be used with confidence in automotive lighting assemblies.
  • Good processability, The melt volume rate of Makrolon AL2447 PC at 300°C /1.2 kg is 19 cm³/10 min. It has a moderate flow rate and is suitable for conventional injection molding equipment used to manufacture thin-walled and complex products.

Why choose Baiyou as Covestro Makrolon AL2447 PC supplier?

  • Leadingautomotive application PC plastic supplier  (Polycarbonate material)  20+ years of experience in plastic product manufacturing and chemical raw material import and export
  • Fastest Arrival, with warehouses in multiple ports
  • 1,000+ types of resins are available, and we have cooperated with large petrochemical groups for 30+ years
  • Free Samples for production testing
  • Wholesale price, even a piece of goods is based on the wholesale price
 Key Attributes 
Covestro Makrolon AL2447 PC 
Product information
Manufacturer
Covestro AG
Part Marking Code
>PC material<
Color
Transparent
Material Shape
PC Pellets
Process
Injection molding PC material
FR
HB V-2 
ViscosityLow viscosity
Material attribute 
UV restistance grade
Specification
·UL ·UL-746C F1
Features
·Light stablilized ·Good mould release
Application
·Auto headlamp shade ·Automotive applications ·Automotive lighting
Additives
·Mold Releases ·UV Stabilizer
Physical property
Standard
Value
Unit
Density  
ISO 1183
1200
kg/m³
Shrinkage flox 60*60*2mm 50MPaISO 2940.65%
Shrinkage xflow 60*60*2mm 50MPaISO 2940.7%
Shrinkage flow
ISO 2577
0.5~0.7
%
Shrinkage xflowISO 25770.5~0.7%
Water absorption 23℃saturation in water
ISO 620.30%
Water absorption 23℃ 50RH equilibriumISO 620.12%
Melt index 300℃ 1.2kgISO 113319cm³/10min
Melt index 300℃ 1.2kgISO 113320g/10min
Bulk density pelletsISO 60660
kg/cm³
Water vapor transmission 23℃ 85RH 100μmISO 1510615g/㎡/24hr
Oxygen transmission 100μmISO 2556800cm³/(㎡·24hr·bar)
Oxygen transmission 25.4μmISO 25563150cm³/(㎡·24hr·bar)
Nitrogen transmission 100μmISO 2556160cm³/(㎡·24hr·bar)
Nitrogen transmission 25.4μmISO 2556630cm³/(㎡·24hr·bar)
Carbon dioxide transmission 100μmISO 25564800cm³/(㎡·24hr·bar)
Carbon dioxide transmission 25.4μmISO 255618900cm³/(㎡·24hr·bar)
Hardness
Standard
Value
Unit
Ball Indentation Hardness
ISO 2039
115
N/mm²
Mechanical behavior
Standard
Value
Unit
Tensile modulus 1.0mm/minISO 5272400MPa
Tensile strength yield 50mm/minISO 52766MPa
Tensile strength break 5mm/minISO 52770MPa
Tensile strength break 50mm/minISO 52765MPa
Elongation yield 50mm/min
ISO 5276.0%
Elongation break 50mm/minISO 52750%
Elongation break 5mm/min ISO 527130%
Elongtaion break 50mm/min
ISO 527120%
Tensile creep modulus 1hrISO 8992200MPa
Tensile creep modulus 1000hrISO 8991900Mpa
Flexural strength 2.0mm/min
ISO 17898MPa
Flexural strength 3.5% Strain 2.0mm/minISO 17894MPa
Flexural modulus 2.0mm/minISO 1782350Mpa
Flexural strain 2.0 mm/minISO 1787.0MPa
Izod notch impact 23℃ 3.0mmISO 18065kJ/㎡
Izod notch impact -30℃ 3.0mmISO 18015kJ/㎡
Charpy notch impact 23℃ 3.0mm
ISO 17965kJ/㎡
Charpy notch impact -30℃ 3.0mmISO 17914kJ/㎡
Charpy un-notch impact 23℃ISO 179NBkJ/㎡
charpy un-notch impact -30℃ ISO 179NBkJ/㎡
Charpy un-notch impact -60℃ISO 179NBkJ/㎡
Puncture resistance maximum force 23℃ISO 66035100N
Puncture resistance maximum force -30℃ ISO 66036000N
Puncture resistance 23℃ ISO 660355J
Puncture resistance -30℃ISO 660365J
Optical performanceStandardValueUnit
Transmittance 1000.00μmISO 1346889%
Transmittance 2000.00μmISO 1346889%
Transmittance 3000.00μmISO 1346888%
Transmittance 4000.00μmISO 1346887%
Haze 3000.00μmISO 147820.5%
Refractive indexISO 4891.586
ThermalStandardValueUnit
HDT 1.8MPaISO 75125℃
HDT 0.45MPaISO 75138℃
Vicat softening temperature 50℃/hr 50NISO 306144℃
Vicat softening temperature 120℃/hr 50NISO 306145
℃
Glass transition temperature 10℃/minISO 11357145℃
CLE flow 23~55℃ISO 113596.5E-5
m/m/K
CLE xflow 23~55℃ISO 113596.5E-5
m/m/K
Heat conductivity coefficient 23℃ cross flow 50RHISO 83020.20W/(m·K)
Flash pointASTM D1929480℃
Ignition pointASTM D1929550℃
Electrical propertiesStandardValueUnit
Volume resistivityIEC 600931E+14Ω·m
Surface resistivity1E+16Ω
Dielectric strength 1.0mmIEC 6024334
KV/mm
Dielectric constant 100HzIEC 602503.1
Dielectric constant 1MHzIEC 602503.0
Dissipation factor 100HzIEC 602500.0005
Diesspation factor 1MHzIEC 602500.009
CTI solution AIEC 60112250V
CTI M solution AIEC 60112125V
Ekectrolytic corrosionIEC 60426A1rating
FlammabilityStandardValueUnit
Flame rating all color 0.75mmUL94V-2
Flame rating all color 1.5~2.6mmUL94V-2
Flame rating all color 2.7mmUL94HB
Flame rating all color 3.0mmUL94HB
Flame rating all color 6.0mmUL94HB
Limiting oxygen index method AISO 458928%
 Partners 
We have established long-term relationships with 80+ well-known  companies around the world
 Warehouse And Shipping 
26 years' experience Professional purchasing consultant with a supply chain of 1000+ plastic raw materials in China.
Quantity (tonnes)1-100100-300>300
Lead time (days)7-10
10-15
To be negotiated

References and Notes

  1. Covestro ,"Makrolon AL2447 optical grade polycarbonate technical data sheet", Covestro A.G. , 23/10/2026