Lucite International DiakonÂ® MH254 Acrylic Bead Polymer, High Transparency

Category	Polymer , Thermoplastic , Acrylic (PMMA) , Acrylic, Optical Grade, Molded
Manufacturer	Lucite International
Trade Name	Diakon®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Lucite International DiakonÂ® MH254 Acrylic Bead Polymer, High Transparency.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

PMMA beads offer an exceptional transmission level of 92.5%, an increase of +0.5% in light transmission vs. granular grades - ideal for medical diagnostic devices.Information provided by Lucite International

Physical Properties	Metric	English	Comments
Density	1.18 g/cc	0.0426 lb/inÂ³	ISO 1183
Water Absorption	0.30 %	0.30 %	ISO 62
Particle Size	600 Âµm	600 Âµm	Weight Average; Sieve Test
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	0.0040 - 0.0070 in/in
Melt Flow	0.80 g/10 min	0.80 g/10 min	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	99	99	ISO 2039-2
Tensile Strength	85.0 MPa	12300 psi	ISO 527
Elongation at Break	5.0 %	5.0 %	ISO 527
Flexural Strength	120 MPa	17400 psi	ISO 178
Flexural Modulus	3.40 GPa	493 ksi	ISO 178
Izod Impact, Notched (ISO)	2.20 kJ/mÂ²	1.05 ft-lb/inÂ²	ISO 180/1A
Charpy Impact Unnotched	2.60 J/cmÂ²	12.4 ft-lb/inÂ²	ISO 179/1eU
Charpy Impact, Notched	0.220 J/cmÂ²	1.05 ft-lb/inÂ²	ISO 179/1eA

Thermal Properties	Metric	English	Comments
CTE, linear	71.0 Âµm/m-Â°C	39.4 Âµin/in-Â°F	ASTM E831
Deflection Temperature at 0.46 MPa (66 psi)	106 Â°C	223 Â°F	ISO 75B
Deflection Temperature at 1.8 MPa (264 psi)	102 Â°C	216 Â°F	ISO 75A
Vicat Softening Point	109 Â°C	228 Â°F	ISO 306B
	117 Â°C	243 Â°F	ISO 306A
Flammability, UL94	HB	HB
Glow Wire Test	650 Â°C	1200 Â°F	IEC 695-2-1

Optical Properties	Metric	English	Comments
Refractive Index	1.49	1.49	ISO 489
Haze	0.40 %	0.40 %	ASTM D1003
Transmission, Visible	92 %	92 %	ASTM D1003

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