Starex LD-0955

Identification & Functionality

Chemical Family

Acrylics, Acrylates & Methacrylates

Polymer Name

Polymethyl Methacrylate (PMMA)

Plastics & Elastomers Functions

Resin

Technologies

Plastics

Product Families

Plastics — Basic Thermoplastics

Acrylates & Methacrylates

Features & Benefits

Materials Features

General Purpose

Applications & Uses

Markets

Consumer Goods

Applications

Consumer Goods — Appliances & Electronics

Plastics & Elastomers End Uses

Appliances

Properties

Mechanical Properties

	Value	Units	Test Method / Conditions
Tensile Strength at Yield (50 mm/min)	55	MPa	ISO 527
Tensile Strength at Break (50 mm/min)	45	MPa	ISO 527
Rockwell Hardness	117	Scale R	ASTM D 785
Tensile Modulus (50 mm/min)	2500	MPa	ASTM D638
Tensile Strain at Break (50 mm/min)	10	%	ISO 527-2/1A
Flexural Strength (2 mm/min)	90	MPa	ISO 178
Flexural Modulus (2 mm/min)	2500	MPa	ISO 178
Charpy Impact Strength - V-notched (23°C, 4mm)	2	kJ/m2	ISO 179 1eA
Charpy Unnotched Impact Strength (23°C, 4mm)	30	kJ/m2	ISO 179 1eA
Notched Izod Impact Strength (23°C, 4 mm)	2	kJ/m2	ISO 180 1A
Unnotched Izod Impact Strength (23°C, 4 mm)	25	kJ/m2	ISO 180 1A

Physical Properties

	Value	Units	Test Method / Conditions
Specific Gravity (Natural or representative color)	1.17	-	ISO 1183
Melt Flow Index - MFI (220°C/10 kg)	22	g/10 min	ASTM D 1238
Molding Shrinkage - MD (Flow at 2mm)	0.3	%	ISO 294-4
Molding Shrinkage - TD (Cross-Flow at 2mm)	0.3	%	ISO 294-4

Thermal Properties

	Value	Units	Test Method / Conditions
Heat Deflection Temperature - HDT (1.8 MPa, Unannealed, 4 mm)	75	°C	ISO 75-2