Cariflex IR0310 K Polyisoprene

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Cariflex IR0310 K Polyisoprene
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Cariflex IR0310 KU polymer is a solution polymerized polyisoprene with a high cis-1,4 content. It has a high molecular weight as indicated by its Logarithmic Inherent Viscosity (LIV) value of 7.05 dl/g. It is supplied from North America in the physical form identified: Cariflex IR0310 KU - supplied as a white/transparent solid bale Uses: A non-staining stabilizer is added at the typical value of 0.15%. Cariflex IR0310 KU polymer is manufactured to the highest standards but special requirements apply to certain sensitive applications such as food contact and pharmaceuticals. Cariflex IR0310 KU Polymer is used as a replacement for natural rubber in a wide range of compounds, offering advantages of light color, uniformity and low levels of impurities. Its good flow characteristics produce improvements in mixing and molding behavior. It is used for food and pharmaceutical packaging and seals, baby bottle teats and health care, adhesives, chemical derivatives of rubbers and very light colored or transparent articles. Applications: Adhesives, Sealant and Coatings; Compounding and Personal Hygiene; Medical; and Personal Care Information provided by Kraton®. Kraton sold the Cariflex product line to Daelim Industrial in 2020.
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Physical Properties	Original Value	Comments

Volatiles	<= 0.50 %	KM 04
Mooney Viscosity	40 - 53	[MU]; ASTM D1646
Ash	<= 0.10 %	KM 35

Mechanical Properties	Original Value	Comments
Tensile Strength	>= 21.6 MPa	Cure: 40 mins at 135°C; ISO 37
Elongation at Break	>= 428 %	Cure: 40 mins at 135°C; ISO 37
300% Modulus	0.00730 - 0.0122 GPa @Strain 300 %	Cure: 40 mins at 135°C; ISO 37

Optical Properties	Original Value	Comments
Transmission, Visible	90 %	transparent; thickness not quantified

Descriptive Properties
Content	1,4-Cis, FTIR	>90%, KM 34
	1,4-Cis, NMR	>82%, KM 34
	LIV	6.1-8.0 dL/g, KM 33
	LVN	7.0-10.5 dL/g, KM 33
	Stabilizer	0.1-0.3%, KM 31

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PKRA9923 / 132823

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