Indian Plastic Directory of Manufacturers, Exporters, Importers, Consultants, Service Providers, Reprocessors, Plastic Raw Materials , Plastic Machinery , Speciality Chemicals, Plastic Moulds and dies, Plastic Packaging and Printing Products.
Polymethylmethacrylate
- Acrylic - PMMA High Impact
Polymer
Type
Thermoplastic
Advantages
Improved toughness and elongation
at break and good flow properties
when compared with unmodified grades.
Disadvantages
Increased haze and reduced tensile
properties compared to conventional
acrylic.
Typical
Properties
Property
Value
Density
(g/cm3)
Surface Hardness
Tensile Strength (MPa)
Flexural Modulus (GPa)
Notched Izod (kJ/m)
Linear Expansion (/°C
x 10-5)
Elongation at Break (%)
Strain at Yield (%)
Max. Operating Temp. (°C)
Water Absorption (%)
Oxygen Index (%)
Flammability UL94
Volume Resistivity (log
ohm.cm)
Dielectric Strength (MV/m)
Dissipation Factor 1kHz
Dielectric Constant 1kHz
HDT @ 0.45 MPa (°C)
HDT @ 1.80 MPa (°C)
Material. Drying hrs @ (°C)
Melting Temp. Range (°C)
Mould Shrinkage (%)
Mould Temp. Range (°C)
Plastic
Brief
