Kolon DIAMAT® IM

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Kolon DIAMAT® IM (discontinued **)
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, General Purpose, Molded
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® IM is a resin for injection molding with excellent moldability and impact strength. Information provided by US distributor, API-Kolon.
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Physical Properties	Original Value	Comments

Specific Gravity	1.17 g/cc	ASTM D792
Water Absorption	0.30 %	ASTM D570
Linear Mold Shrinkage	0.0030 - 0.0070 cm/cm	ASTM D955
Melt Flow	7.5 g/10 min	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	68	ASTM D785
Tensile Strength, Ultimate	480 kg(f)/cm²	ASTM D638
Flexural Strength	12.4 ksi	ASTM D790
Flexural Modulus	24000 kg(f)/cm²	ASTM D790
Izod Impact, Notched	3.30 kg-cm/cm	ASTM D256
Falling Dart Impact	7.10 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	100 °C	ASTM D1525
Glass Transition Temp, Tg	108 °C	ASTM D3418

Optical Properties	Original Value	Comments
Refractive Index	1.49	ASTM D542
Haze	<= 2.0 %	ASTM D1003
Transmission, Visible	92 %	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

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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