ZEON Zetpol® 2020 Hydrogenated Nitrile Elastomomer

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ZEON Zetpol® 2020 Hydrogenated Nitrile Elastomomer
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Zetpol 2020 is a highly saturated copolymer of butadiene and acrylonitrile with high tensile strength, good heat resistance, good chemical resistance to aggressive fluids, and an excellent balance of properties over a wide variation of temperatures. For seals, rolls, belts, and oil field components. Provides excellent balance between static heat resistance and dynamic hysteresis. FDA approved.
Key Words:	HNBR
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Physical Properties	Metric	English	Comments

Specific Gravity	0.950 g/cc	0.950 g/cc
Iodine Absorption Number	24.2 - 31.8	24.2 - 31.8	mg/100mg; ZCI-T-004
Mooney Viscosity	71 - 85 @Temperature 100 °C	71 - 85 @Temperature 212 °F	(1+4); ZCI-T-003
Ash	<= 0.50 %	<= 0.50 %	ZCI-T-005

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	67 - 75	67 - 75	ZCI-T-009
Tensile Strength at Break	20.0 - 30.0 MPa	2900 - 4350 psi	ZCI-T-008
Elongation at Break	400 - 500 %	400 - 500 %	ZCI-T-008
300% Modulus	12.50 - 16.50 MPa @Strain 300 %	1813 - 2393 psi @Strain 300 %	ZCI-T-008

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes

Descriptive Properties
% HYD	91
Bound ACN (%, acrylonitrile)	34.9-37.5
Heat Loss (%) Max	0.5

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