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PC-BAYER-Makrolon 2805

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Rheological properties

Melt volume-flow rate 300 °C; 1.2 kg cm³/10 min ISO 1133 9.0
Molding shrinkage, parallel 60x60x2 mm; 500 bar % ISO 294-4 0.65
Molding shrinkage, normal 60x60x2 mm; 500 bar % ISO 294-4 0.7
Molding shrinkage, parallel/normal Value range based on general

practical experience

% b.o. ISO 2577 0.6 – 0.8
Melt mass-flow rate 300 °C; 1.2 kg g/10 min ISO 1133 10

Mechanical properties (23 °C/50 % r. h.)

Tensile modulus 1 mm/min MPa ISO 527-1,-2 2400
Yield stress 50 mm/min MPa ISO 527-1,-2 66
Yield strain 50 mm/min % ISO 527-1,-2 6.2
Nominal strain at break 50 mm/min % ISO 527-1,-2 > 50
Stress at break 50 mm/min MPa ISO 527-1,-2 70
Strain at break 50 mm/min % b.o. ISO 527-1,-2 130
Tensile creep modulus 1 h MPa ISO 899-1 2200
Tensile creep modulus 1000 h MPa ISO 899-1 1900
Flexural modulus 2 mm/min MPa ISO 178 2400
Flexural strength 2 mm/min MPa ISO 178 97
Flexural strain at flexural strength 2 mm/min % ISO 178 7.1
Flexural stress at 3.5 % strain 2 mm/min MPa ISO 178 73
Charpy impact strength 23 °C kJ/m² ISO 179-1eU N
Charpy impact strength -30 °C kJ/m² ISO 179-1eU N
Charpy impact strength -60 °C kJ/m² ISO 179-1eU N
Charpy notched impact strength 23 °C; 3 mm kJ/m² ISO 7391/b.o. ISO

179-1eA

75P
Charpy notched impact strength -30 °C; 3 mm kJ/m² ISO 7391/b.o. ISO

179-1eA

16C
Izod notched impact strength 23 °C; 3 mm kJ/m² ISO 7391/b.o. ISO 180-A 70P
Izod notched impact strength -30 °C; 3 mm kJ/m² ISO 7391/b.o. ISO 180-A 15C
Puncture maximum force 23 °C N ISO 6603-2 5400
Puncture maximum force -30 °C N ISO 6603-2 6300
Puncture energy 23 °C J ISO 6603-2 60
Puncture energy -30 °C J ISO 6603-2 65
Ball indentation hardness   N/mm² ISO 2039-1 115
Glass transition temperature 10 °C/min °C ISO 11357-1,-2 145
Temperature of deflection under load 1.80 MPa °C ISO 75-1,-2 125
Temperature of deflection under load 0.45 MPa °C ISO 75-1,-2 137
Vicat softening temperature 50 N; 50 °C/h °C ISO 306 144
Vicat softening temperature 50 N; 120 °C/h °C ISO 306 146
Coefficient of linear thermal expansion, parallel 23 to 55 °C 10-4/K ISO 11359-1,-2 0.65
Coefficient of linear thermal expansion, transverse 23 to 55 °C 10-4/K ISO 11359-1,-2 0.65
Burning behavior UL 94 [UL recognition] 0.75 mm Class UL 94 V-2
Burning behavior UL 94 [UL recognition] 2.5 mm Class UL 94 HB
Oxygen index Method A % ISO 4589-2 28
Thermal conductivity, cross-flow 23 °C; 50 % r. h. W/(m·K) ISO 8302 0.20
Resistance to heat (ball pressure test)   °C IEC 60695-10-2 136
Relative temperature index (Tensile strength) [UL recognition] 1.5 mm °C UL 746B 125
Relative temperature index (Tensile impact strength) [UL recognition] 1.5 mm °C UL 746B 115
Relative temperature index (Electric strength) [UL recognition] 1.5 mm °C UL 746B 125
Glow wire test (GWFI) 0.75 mm °C IEC 60695-2-12 850
Glow wire test (GWFI) 1.5 mm °C IEC 60695-2-12 850
Glow wire test (GWFI) 3.0 mm °C IEC 60695-2-12 930
Glow wire test (GWIT) 0.75 mm °C IEC 60695-2-13 875
Glow wire test (GWIT) 1.0 mm °C IEC 60695-2-13 875
Glow wire test (GWIT) 1.5 mm °C IEC 60695-2-13 875
Glow wire test (GWIT) 3.0 mm °C IEC 60695-2-13 900
Glow wire test 1.5 mm °C b.o. EDF HN60 E.02 750
Glow wire test 3.0 mm °C b.o. EDF HN60 E.02 750
Application of flame from small burner Method K and F; 2.0 mm Class DIN 53438-1,-3 K1, F1
Needle flame test Method K; 1.5 mm s IEC 60695-11-5 5
Needle flame test Method K; 2.0 mm s IEC 60695-11-5 5
Needle flame test Method K; 3.0 mm s IEC 60695-11-5 10
Needle flame test Method F; 1.5 mm s IEC 60695-11-5 60
Needle flame test Method F; 2.0 mm s IEC 60695-11-5 60
Needle flame test Method F; 3.0 mm s IEC 60695-11-5 120
Burning rate (US-FMVSS) >=1.0 mm mm/min ISO 3795 passed
Flash ignition temperature   °C ASTM D1929 480
Self ignition temperature   °C ASTM D1929 550

Electrical properties (23 °C/50 % r. h.)

Relative permittivity 100 Hz IEC 60250 3.1
Relative permittivity 1 MHz IEC 60250 3.0
Dissipation factor 100 Hz 10-4 IEC 60250 5
Dissipation factor 1 MHz 10-4 IEC 60250 90
Volume resistivity   Ohm·m IEC 60093 1E14
Surface resistivity   Ohm IEC 60093 1E16
Electrical strength 1 mm kV/mm IEC 60243-1 34
Comparative tracking index CTI Solution A Rating IEC 60112 250
Comparative tracking index CTI M Solution B Rating IEC 60112 125M
Electrolytic corrosion   Rating IEC 60426 A1
Water absorption (saturation value) Water at 23 °C % ISO 62 0.30
Water absorption (equilibrium value) 23 °C; 50 % r. h. % ISO 62 0.12
Density   kg/m³ ISO 1183-1 1200
Water vapor permeability 23 °C; 85 % RH; 100 µm film g/(m²·24 h) ISO 15106-1 15
Gas permeation Oxygen; 100 µm film cm³/(m²·24 h·bar) b.o. ISO 2556 650
Gas permeation Oxygen; 25.4 µm (1 mil) film cm³/(m²·24 h·bar) b.o. ISO 2556 2760
Gas permeation Nitrogen; 100 µm film cm³/(m²·24 h·bar) b.o. ISO 2556 120
Gas permeation Nitrogen; 25.4 µm (1 mil) film cm³/(m²·24 h·bar) b.o. ISO 2556 510
Gas permeation Carbon dioxide; 100 µm film cm³/(m²·24 h·bar) b.o. ISO 2556 3800
Gas permeation Carbon dioxide; 25.4 µm (1 mil) film cm³/(m²·24 h·bar) b.o. ISO 2556 16900
Bulk density Pellets kg/m³ ISO 60 660

Material specific properties

Refractive index Procedure A ISO 489 1.586
Haze for transparent materials 3 mm % ISO 14782 < 0.8
Luminous transmittance (clear transparent materials) 1 mm % ISO 13468-2 89
Luminous transmittance (clear transparent materials) 2 mm % ISO 13468-2 89
Luminous transmittance (clear transparent materials) 3 mm % ISO 13468-2 88
Luminous transmittance (clear transparent materials) 4 mm % ISO 13468-2 87

Processing conditions for test specimens

Injection molding-Melt temperature   °C ISO 294 300
Injection molding-Mold temperature   °C ISO 294 80
Injection molding-Injection velocity   mm/s ISO 294 200

Specification: PC-BAYER-Makrolon 2805

ALPHA

B

Group

PC

Class

PC

Color

Natural

DENSITY

1.2

GRADE

Makrolon 2805

NOTES

PC

Special Properties

Demoulding performance good, medium viscosity, injection or extrusion molding, coloring, colorless, transparent, translucent, good thermal stability

Typical Applications

Used in industry, auto parts accessories, electronic accessories, UL certification?Disc material, instrument shell and office automation equipment, polymer optical fiber core material

Country

German

Tds-Name

PC-Bayer-Makrolon2805.pdf

D-Type

X

Tds-Url

chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://plastore.it/cgi2018/file818/4185_pcmakrolon2805.pdf

Brand

B>BAYER

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