Polyplastics TOPAS® Elastomer E-140 Cyclic Olefin Copolymer (COC)

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Polyplastics TOPAS® Elastomer E-140 Cyclic Olefin Copolymer (COC)
Categories:	Polymer; Thermoplastic; Cyclo Olefin Polymer
Material Notes:	TOPAS® Elastomer E-140, unlike most TOPAS grades, is a semicrystalline cyclic olefin material with flexibility. It is a fairly stiff elastomer which can be extruded and injection molded, and can be blended with other TOPAS grades, olefin resins and elastomers. For an elastomer, E-140 features high moisture barrier and has moderate clarity in thin sections or films. Secondary Tg of -6°C is relatively insignificant in terms of E-140 properties such as low temperature brittleness. Primary Tg is below -90°C, while the melting point is about 84°C. Key applications and attributes: High toughness film (as COC blend): Toughness, clarity, stiffness, low WVTR, reclaimability Tubing: Purity, kink resistance Bags: Purity, olefin compatibility Over-molding: Adhesion to olefins, purity, soft feel Food packaging: Not manufactured with BPA, phthalates, or halogens Food contact: Broad regulatory approval Note: 125µm film data includes 1% Ampacet 102765 1.5:1 BUR Information provided by Polyplastics USA, which merged with TOPAS Advanced Polymers in 2018.
Key Words:	Polyolefin
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Physical Properties	Metric	English	Comments

Oxygen Permeability	4240 cm³ mil/(m² day atm) @Temperature 23.0 °C	274 cm³ mil/(100 in² day atm) @Temperature 73.4 °F	50% RH; ISO 15105-2
Water Vapor Permeability	18.4 g mil/ (m² day) @Temperature 38.0 °C	1.19 g mil/ (100 in² day) @Temperature 100 °F	90% RH; ISO 15106-3
Density	0.940 g/cc	0.0340 lb/in³	ISO 1183
Thickness	127 microns	5.00 mil
Melt Flow	2.7 g/10 min @Load 2.16 kg, Temperature 190 °C	2.7 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133
	11 g/10 min @Load 2.16 kg, Temperature 260 °C	11 g/10 min @Load 4.76 lb, Temperature 500 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Film Elongation at Break, MD	640 % @Thickness 0.0500 mm	640 % @Thickness 0.00197 in	ASTM D882
	800 % @Thickness 0.125 mm	800 % @Thickness 0.00492 in	ASTM D882
Film Elongation at Break, TD	620 % @Thickness 0.0500 mm	620 % @Thickness 0.00197 in	ASTM D882
	790 % @Thickness 0.125 mm	790 % @Thickness 0.00492 in	ASTM D882
Elmendorf Tear Strength MD	1103 g @Load 3.20 kg, Thickness 0.0500 mm	1103 g @Load 7.06 lb, Thickness 0.00197 in	ASTM D1922
	2718 g @Load 0.00326 kg, Thickness 3.17 mm	2718 g @Load 0.00704 lb, Thickness 0.125 in	ASTM D1922
Elmendorf Tear Strength TD	1221 g @Load 3.20 kg, Thickness 0.0500 mm	1221 g @Load 7.06 lb, Thickness 0.00197 in	ASTM D1922
	3171 g @Load 0.00326 kg, Thickness 0.125 mm	3171 g @Load 0.00704 lb, Thickness 0.00492 in	ASTM D1922
Film Tensile Strength at Break, MD	52.0 MPa @Thickness 0.125 mm	7540 psi @Thickness 0.00492 in	ASTM D882
	60.7 MPa @Thickness 0.0500 mm	8800 psi @Thickness 0.00197 in	ASTM D882
Film Tensile Strength at Break, TD	50.4 MPa @Thickness 0.0500 mm	7310 psi @Thickness 0.00197 in	ASTM D882
	50.6 MPa @Thickness 0.125 mm	7340 psi @Thickness 0.00492 in	ASTM D882

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.24 @Frequency 1e+9 Hz	2.24 @Frequency 1e+9 Hz	ASTM D2520B
Dielectric Strength	157 kV/mm	4000 kV/in	ASTM D149-97a
Dissipation Factor	0.00026 @Frequency 1e+9 Hz	0.00026 @Frequency 1e+9 Hz	ASTM D2520B

Thermal Properties	Metric	English	Comments
Vicat Softening Point	64.0 °C	147 °F	VST/A50; ISO 306
Brittleness Temperature	<= 90.0 °C	<= 194 °F	ISO 974

Optical Properties	Metric	English	Comments
Haze	1.27 % @Thickness 0.125 mm	1.27 % @Thickness 0.00492 in	ASTM D1003
	1.5 % @Thickness 0.0500 mm	1.5 % @Thickness 0.00197 in	ASTM D1003
Gloss	94 % @Thickness 0.0500 mm	94 % @Thickness 0.00197 in	60°; ASTM D2457
	116 % @Thickness 0.125 mm	116 % @Thickness 0.00492 in	60°; ASTM D2457

Processing Properties	Metric	English	Comments
Melt Temperature	84.0 °C	183 °F	Internal Method

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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