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Evonik CYRO Acrylite® 7H Acrylic Polymer

Category Polymer , Thermoplastic , Acrylic (PMMA) , Acrylic, Optical Grade, Molded
Manufacturer Evonik CYRO
Trade Name Acrylite®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Evonik CYRO Acrylite® 7H Acrylic Polymer.pdf
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Material Notes:
Physical Properties Metric English Comments
Specific Gravity 1.19 g/cc
1.19 g/cc
ASTM D792
Bulk Density 0.660 g/cc
0.0238 lb/in³
ASTM D1895
Water Absorption <= 0.30 %
<= 0.30 %
ASTM D570
Linear Mold Shrinkage 0.0040 - 0.0070 cm/cm
0.0040 - 0.0070 in/in
ASTM D951
Melt Flow 1.3 g/10 min

@Load 3.80 kg,
Temperature 230 °C
1.3 g/10 min

@Load 8.38 lb,
Temperature 446 °F
ASTM D1238
Mechanical Properties Metric English Comments
Hardness, Rockwell M 94
94
ASTM D785
Tensile Strength at Break 89.29 MPa
12950 psi
ASTM D638
Elongation at Break 4.0 - 6.0 %
4.0 - 6.0 %
ASTM D638
Elongation at Yield 4.0 - 6.0 %
4.0 - 6.0 %
ASTM D638
Tensile Modulus 3.65 GPa
530 ksi
ASTM D638
Flexural Strength 123.9 MPa
17970 psi
ASTM D790
Flexural Modulus 3.31 GPa
480 ksi
ASTM D790
Izod Impact, Notched 0.272 J/cm

@Diameter 6.35 mm
0.510 ft-lb/in

@Diameter 0.250 in
BAR; ASTM D256
Thermal Properties Metric English Comments
CTE, linear 72.0 µm/m-°C

@Temperature 0.000 - 100 °C
40.0 µin/in-°F

@Temperature 32.0 - 212 °F
ASTM D696
Deflection Temperature at 1.8 MPa (264 psi) 100 °C

@Thickness 6.35 mm
212 °F

@Thickness 0.250 in
Annealed; ASTM D648
Vicat Softening Point 103 °C
217 °F
ASTM D1525
Optical Properties Metric English Comments
Refractive Index 1.49
1.49
ASTM D542
Haze <= 1.0 %
<= 1.0 %
ASTM D1003
Yellow Index <= 1.0 %
<= 1.0 %
ASTM D1925
Transmission, Visible 92 %
92 %
ASTM D1003
Processing Properties Metric English Comments
Middle Barrel Temperature 220 - 260 °C
428 - 500 °F
Cylinder Temp
Melt Temperature 220 - 260 °C
428 - 500 °F
Mold Temperature 32.2 - 79.4 °C
90.0 - 175 °F
Drying Temperature 79.4 °C
175 °F
Dry Time 3 - 4 hour
3 - 4 hour
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