Kolon DIAMAT® EG

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Kolon DIAMAT® EG (discontinued **)
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Extruded
Material Notes:	Description: DIAMAT® is a specially formulated high impact grade PMMA resin from KOLON. The acrylic composition results in an excellent balance of impact resistance and high modulus at reasonable pricing. DIAMAT® utilizes acrylic toughener technology resulting in consistent appearance, even after years of UV exposure. DIAMAT® EG is an acrylic molding resin for extrusion molding with balanced impact strength and heat resistance. Information provided by US distributor, API-Kolon.
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Physical Properties	Original Value	Comments

Specific Gravity	1.16 g/cc	ASTM D792
Water Absorption	0.40 %	ASTM D570
Linear Mold Shrinkage	0.0030 - 0.0080 cm/cm	ASTM D955
Melt Flow	2.2 g/10 min	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	55	ASTM D785
Tensile Strength, Ultimate	450 kg(f)/cm²	ASTM D638
Flexural Strength	11.4 ksi	ASTM D790
Flexural Modulus	23000 kg(f)/cm²	ASTM D790
Izod Impact, Notched	4.50 kg-cm/cm	ASTM D256
Falling Dart Impact	9.80 ft-lb

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	94.0 °C	Load not specified; ASTM D648
Vicat Softening Point	98.0 °C	ASTM D1525
Glass Transition Temp, Tg	107 °C	ASTM D3418

Optical Properties	Original Value	Comments
Refractive Index	1.49	ASTM D542
Haze	<= 2.0 %	ASTM D1003
Transmission, Visible	91 %	ASTM D1003

Processing Properties	Original Value	Comments
Rear Barrel Temperature	150 - 180 °C	Injection
Middle Barrel Temperature	180 - 230 °C	Injection
Front Barrel Temperature	210 - 240 °C	Injection
Nozzle Temperature	220 - 245 °C	Injection
Zone 1	392 - 428 °F	Extrusion
Zone 2	410 - 446 °F	Extrusion
Zone 3	428 - 464 °F	Extrusion
Zone 4	410 - 455 °F	Vent; Extrusion
Zone 5	437 - 464 °F	Extrusion
Adapter Temperature	230 - 240 °C	Extrusion
Die Temperature	428 - 464 °F	Extrusion
Melt Temperature	220 - 235 °C	Recommended for Injection
Mold Temperature	40.0 - 80.0 °C
Roll Temperature	80.0 - 100 °C	Extrusion
Drying Temperature	70.0 - 80.0 °C
Dry Time	3 - 5 hour
Injection Pressure	78.45 - 137.3 MPa
Screw Speed	40 - 80 rpm	Extrusion

**
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PKOL124 / 49030

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