KMI Group PC 2031-50

Identification & Functionality

Additives Included

UV Stabilizer

Chemical Family

Polycarbonate (PC)

Polymer Name

Polycarbonate (PC)

Technologies

Plastics

Product Families

Plastics — Engineering & Specialty Polymers

Polycarbonates

Features & Benefits

Materials Features

Excellent Transparency Properties,

Good Impact Strength,

High Viscosity,

UV Stabilized,

Very Good Heat Resistance

Characteristics

• UV stabilizer

Applications & Uses

Markets

Building & Construction,

Consumer Goods,

Electrical & Electronics,

Printing & Packaging

Applications

Consumer Goods — Appliances & Electronics

Building & Construction — Building Envelope & Roofing

Other Building Envelope & Roofing Applications,

Waterproofing & Weatherproofing

Electrical & Electronics — Devices & Assemblies

Other Devices & Assemblies

Consumer Goods — Other Consumer Goods Applications

Printing & Packaging — Packaging

Industrial & Transport Packaging

Plastics & Elastomers End Uses

Appliances,

Corrugated Sheet,

Film,

Lenses

Plastics & Elastomers Processing Methods

Extrusion,

Injection Molding

Applications

• High viscosity
• 0% UV light transmittance at wavelength below 380 nm
• Applications
• Sheet
• Appliances
• Optical lens
• Film

Properties

Physical Properties

	Value	Units	Test Method / Conditions
Melt Flow Rate (300°C, 1.2 kg)	5	g/10 min	ASTM D 1238
Density	1200	kg/m³	ASTM D 792
Mold Shrinkage	0.005 - 0.007	mm/mm	ASTM D 955
Water Absorption (24 hrs, 23°C)	0.15	%	ASTM D 570
Water Absorption (50%RH, 23°C)	0.32	%	ASTM D 570

Mechanical Properties

	Value	Units	Test Method / Conditions
Tensile Yield Strength	60	MPa	ASTM D 638
Ultimate Tensile Strength	72	MPa	ASTM D 638
Elongation at Yield	6	%	ASTM D 638
Elongation at Break	150	%	ASTM D 638
Tensile Modulus	2410	MPa	ASTM D 638
Flexural Strength	96	MPa	ASTM D 790
Flexural Modulus	2410	MPa	ASTM D 790
Notched lzod Impact (23°C)	950	J/m	ASTM D 256
Unnotched Izod Impact (23°C)	No break	—	ASTM D 256
Instrumented Dart Impact, Total Energy (23°C)	94	J	ASTM D 3763
Rockwell Hardness	74	M Scale	ASTM D 785
Taber Abrasion Resistance (A Haze)	45	%	ASTM D 1044

Thermal Properties

	Value	Units	Test Method / Conditions
Deflection Temperature Under Load (4 mm at 66 psi, Annealed)	146	°F	ASTM D 648
Deflection Temperature Under Load (264 psi, Annealed)	143	°C	ASTM D 648
Deflection Temperature Under Load (264 psi, Unannealed)	132	°C	ASTM D 648
Vicat Softening Point (50°C/hr, 50N Load)	151	°C	ASTM D 1525
Coefficient of Linear Thermal Expansion (-40 - 82°C)	68 x 10^-6	mm/mm/°C	ASTM D 696

Typical Properties

	Value	Units	Test Method / Conditions
Ignition Resistance (0.5 mm)	V-2	UL-94	ASTM D635
Ignition Resistance (1.6 mm)	V-2	UL-94	ASTM D635
Ignition Resistance (2.5 mm)	V-2	UL-94	ASTM D635
Ignition Resistance (UL-94, 0.5mm)	V-2	—	ASTM D635
Ignition Resistance (UL-94, 1.6mm)	V-2	—	ASTM D635
Ignition Resistance (UL-94, 2.5mm)	V-2	—	ASTM D635
Ignition Resistance (UL-94, 3.0mm)	V-2	—	ASTM D635
Limiting Oxygen Index	26	%	ASTM D 2863
Ball Indentation Temperature	min. 125	°C	IEC 598-1
Average Extent of Burning	25	mm	ASTM D 635

Electrical Properties

	Value	Units	Test Method / Conditions
GWT (2.0 mm, 5 second)	850	°C	IEC 695-2-1
Compression Tracking Index (2.0 mm)	250	V	IEC 112
Dielectric Strength	17	KV/mm	ASTM D 149
Dielectric Constant (60 Hz)	3	Hz	ASTM D 150
Dissipation Factor (60 Hz)	0.001	—	ASTM D 150
Volume Resistivity (23°C, Dry)	2.0 x 10^17	cm	ASTM D 257

Optical Properties

	Value	Units	Test Method / Conditions
Refractive Index (Nd)	1.586	—	ASTM D 542
Light Transmittance	89	%	ASTM D 1003
Haze	0.7 - 1.5	%	ASTM D 1003