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 Plastic Brief

 

Tech Brief  > EVA
 
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Polymer Type
Thermoplastic

Advantages
Greater heat seal strength, flexibility and low temperature performance than EVA containing 12% VA.

Disadvantages
Lower tensile strength, resistance to heat deformation and chemical resistance than EVA containing 12% co-monomer. Also higher permeability.
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)
 0.95
SA85
17
0.02
1.06+
18
750
N/Y
50
0.1
19
HB
16
27
0.02
2.9
20-
20-
NA
140 - 200
2
20 - 40


 

 

Applications
Food packaging, cable coating, flexible panels, instrument legs, bellows, parts for circuit breakers, rail pads, O-rings, buffers and seals.
 
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