KMI Group PC VLC-1000

Identification & Functionality

Chemical Family

Polycarbonate (PC)

Polymer Name

Polycarbonate (PC)

Technologies

Plastics

Product Families

Plastics — Engineering & Specialty Polymers

Polycarbonates

Features & Benefits

Materials Features

High Viscosity,

UV Absorbing

Applications & Uses

Markets

Consumer Goods

Applications

Consumer Goods — Other Consumer Goods Applications

Plastics & Elastomers End Uses

Eyeglasses,

Lenses

Properties

Physical Properties

	Value	Units	Test Method / Conditions
Density	1.2	g/cm³	ISO 1183
Melt Mass Flow Rate (300°C, 1.2 Kg)	7.9	g/10 min	ISO 1133
Melt Volume-Flow Rate (300°, 1.2 Kg)	7.4	cm³/10min	ISO 1133
Molding Shrinkage (Across Flow)	0.50 - 0.70	%	Internal Method
Molding Shrinkage (Flow)	0.50 - 0.70	%	Internal Method
Water Absorption (Saturation, 23°C)	0.24	%	ISO 62

Mechanical Properties

	Value	Units	Test Method / Conditions
Tensile Modulus	2400	MPa	ISO 527-2/1
Tensile Yield Stress	60	MPa	ISO 527-2/50
Tensile Yield Strain	5.5	%	ISO 527-2/50
Tensile Break Strength	110	%	ISO 527-2/50
Flexural Modulus	2300	MPa	ISO 178
Flexural Stress	93	MPa	ISO 178

Typical Properties

	Value	Units	Test Method / Conditions
Charpy Notched Impact Strength (23°)	84	kJ/m²	ISO 179
Charpy Unnotched Impact Strength (23°)	No Break	-	ISO 179
CLTE Flow	6.5E - 5	cm/cm/°C	ISO 11359-2
CLTE Transverse	6.6E - 5	cm/cm/°C	ISO 11359-2
Drying Temperature (Hot Air Dryer)	120	°C	-
Drying Time (Hot Air Dryer)	4.0 - 8.0	Hrs	-
Rear Temperature	260 - 300	°C	-
Middle Temperature	260 - 300	°C	-
Front Temperature	260 - 300	°C	-
Nozzle Temperature	260 - 300	°C	-
Mold Temperature	80 - 120	°C	-

Thermal Properties

	Value	Units	Test Method / Conditions
Heat Deflection Temperature (0.45 MPa, Unannealed)	145	°C	ISO 75-2/B
Heat Deflection Temperature (1.8 MPa, Unannealed)	131	°C	ISO 75-2/A

Electrical Properties

	Value	Units	Test Method / Conditions
Surface Resistivity	6000000000000000	ohms	IEC 60093
Volume Resistivity	30000000000000000	ohms/cm	IEC 60093
Electric Strength (1.00 mm)	31	kV/mm	IEC 60243-1
Electric Strength (3.00 mm)	18	kV/mm	IEC 60243-1
Dielectric Constant (1 MHz)	3.1	MHz	IEC 60250
Dielectric Constant (100 MHz)	3.1	MHz	IEC 60250
Dissipation Factor 1 MHz	0.009	g/10min	IEC 60250
Dissipation Factor 100 MHz	0.0006	g/cm³	IEC 60250

Packaging & Availability

Country Availability

Brazil,

Canada,

China (Mainland),

Mexico,

USA

Regional Availability

• Africa
• Asia Pacific
• China
• Europe
• Latin America
• Middle East
• North America
• Oceania