Röhm CYROLITE® MD zk6 Acrylic polymer

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Röhm CYROLITE® MD zk6 Acrylic polymer
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Extruded
Material Notes:	CYROLITE® MD zk6 acrylic polymer is an amorphous, impact modified thermoplastic injection molding and extrusion compound based on polymethyl methacrylate (PMMA) for the medical industry. Typical properties of CYROLITE® MD zk6 acrylic polymers are: High impact/ break resistance and strength Medium heat resistance Lower melt flow rate applications High light transmission with little haze 3 times the impact resistance of unmodified acrylics Excellent dimensional stability Excellent bonding to PVC tubing Can be thermal bonded, ultrasonic and laser welded Improved tensile elongation The special properties of CYROLITE® MD zk6 are: High impact/ break resistance and strength Medium heat resistance Lower melt flow rate applications Application: Used for injection molding of medical devices and diagnostics industries. Information provided by Roehm America LLC
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Physical Properties	Original Value	Comments

Specific Gravity	1.16 g/cc	ASTM D792
Bulk Density	0.710 g/cc	ASTM D1895
Water Absorption	<= 0.30 %	ASTM D570
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	ASTM D955
Melt Flow	1.7 g/10 min @Load 3.80 kg, Temperature 230 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	40	ASTM D785
Tensile Strength	43.4 MPa	ASTM D638
Elongation at Break	55 %	ASTM D638
Elongation at Yield	5.0 %	ASTM D638
Tensile Modulus	1.50 GPa	ASTM D638
Flexural Strength	59.3 MPa	ASTM D790
Flexural Modulus	1.50 GPa	ASTM D790
Izod Impact, Notched	36.8 J/m @Thickness 6.35 mm, Temperature >=0.000 °C	ASTM D256
	58.1 J/m @Thickness 6.35 mm, Temperature >=23.0 °C	ASTM D256

Thermal Properties	Original Value	Comments
CTE, linear	72.0 µm/m-°C @Temperature 0.000 - 100 °C	ASTM D696
Deflection Temperature at 1.8 MPa (264 psi)	90.0 °C @Thickness 6.35 mm	Annealed; ASTM D648
Vicat Softening Point	94.0 °C @Load 5.10 kg	50°C/h; ASTM D1525

Optical Properties	Original Value	Comments
Haze	1.0 %	ASTM D1003
Yellow Index	0.30 %	ASTM E313
Transmission, Visible	91.5 %	ASTM D1003

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PROHM9350 / 319967

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