Lubrizol Estane® MVT 70AT3 Thermoplastic Polyurethane, Moisture Vapor Transmission

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Lubrizol Estane® MVT 70AT3 Thermoplastic Polyurethane, Moisture Vapor Transmission (discontinued **)
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyether Grade
Material Notes:	Type: Estane® MVT 70AT3 is an aromatic polyether-based thermoplastic polyurethane (TPU). Features: High moisture vapor transmission with low water swell. Excellent low temperature properties and elasticity. Uses: Blown and flat die/cast film extrusion, injection molding and cable jacketing. Complies with FDA 177.1680 and FDA 177.2600 Available in Americas, Europe, Middle East, Africa, India and Asia Information Provided by The Lubrizol Corporation
Key Words:	TPU
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Physical Properties	Original Value	Comments

Specific Gravity	1.06 g/cc	ASTM D792
Water Vapor Transmission	420 g/m²/day	ASTM E96B
	3200 g/m²/day	ASTM D6701
Maximum Moisture Content	0.020

Mechanical Properties	Original Value	Comments
Hardness, Shore A	70 @Time 5.00 sec	ASTM D2240
Tensile Strength, Ultimate	5300 psi	ASTM D412
Elongation at Break	730 %	ASTM D412
100% Modulus	0.00340 GPa @Strain 100 %	ASTM D412
300% Modulus	0.00550 GPa @Strain 300 %	ASTM D412
Tear Strength	110 pli	Trouser; ASTM D470
Graves Tear Strength	380 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	17 @Load 1.00 kg	H-18 wheel; ASTM D3389
Tensile Set	6.0 %	200% elongation; ASTM D412

Thermal Properties	Original Value	Comments
Melting Point	135 °C	DSC
	150 °C	Kofler
Glass Transition Temp, Tg	-70.0 °C	DSC

Processing Properties	Original Value	Comments
Zone 1	171 °C	Extrusion
Zone 2	177 °C	Extrusion
Zone 3	182 °C	Extrusion
Zone 4	188 °C	Extrusion
Adapter Temperature	193 °C	5, Extrusion
Die Temperature	193 °C	6, Zone 1, Extrusion
	193 °C	Zone 2, Extrusion
Drying Temperature	82.0 °C
Dry Time	2.00 - 4.00 hour
Dew Point	-40.0 °C

Compliance Properties	Original Value	Comments
FDA	Yes

**
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