Dow Tyrin® 4211P Chlorinated Polyethylene Elastomer

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Dow Tyrin® 4211P Chlorinated Polyethylene Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	42% Chlorine. Tyrin® chlorinated polyethylene thermoplastic resins offer the compounding and fabrication industries end product properties in a range of hardnesses, and behave much like flexible PVC in many uses. Can be calendered, injection molded, or extruded into tough, chemical and weather resistant products that can also provide built-in ignition resistance. Performance highlights include: inherent flexibility with plasticization; inherent chemical and ignition resistance; compatibility with PVC, PE, SAN, ABS, and other polymers, excellent low temperature properties, resistance to weathering, acceptance of fillers and heat/light stabilizers.
Key Words:	Rubbers
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Physical Properties	Original Value	Comments

Moisture Vapor Transmission	1.50 cc-mm/m²-24hr-atm	42% Cl content Tyrin resin w/ Ba-Cd stabilizer, Epoxidized soybean oil, phosphite chelator, and lubricant.
Oxygen Transmission	12.0 cc-mm/m²-24hr-atm	42% Cl content Tyrin resin w/ Ba-Cd stabilizer, Epoxidized soybean oil, phosphite chelator, and lubricant.
Viscosity	10000 cP	Nominal melt viscosity. DuPont Dow test method CPE-D3

Mechanical Properties	Original Value	Comments
Elongation at Break	700 %	Unfilled Tyrin compound
100% Modulus	0.00140 GPa @Strain 100 %	Unfilled Tyrin compound; ASTM D412
Tear Strength Test	180	Unfilled Tyrin compound; ASTM D1004

Electrical Properties	Original Value	Comments
Electrical Resistivity	5.00e+13 ohm-cm
Dielectric Constant	4.9 @Frequency 10000 Hz
	6.2 @Frequency 100 Hz
Dissipation Factor	0.030 @Frequency 100 Hz
	0.10 @Frequency 10000 Hz	36% Cl content Tyrin resin w/ Ba-Cd stabilizer, Epoxidized soybean oil, phosphite chelator, and lubricant.

Processing Properties	Original Value	Comments
Rear Barrel Temperature	93.0 - 106 °C	for extrusion
Middle Barrel Temperature	106 - 149 °C	for extrusion
Front Barrel Temperature	149 - 162 °C	for extrusion
Nozzle Temperature	162 °C	Extrusion die
Melt Temperature	177 °C	Extrusion

**
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PDVI03 / 34177

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