Dow Nucrel® 925 Ethylene-Methacrylic Acid Copolymer Resin

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Dow Nucrel® 925 Ethylene-Methacrylic Acid Copolymer Resin
Categories:	Polymer; Thermoplastic; Ethylene Methyl Acrylate
Material Notes:	Nucrel® 925 is a tough, lightweight, easily processed ethylene copolymer resin. This resin is inherently flexible without the need for plasticizers. The resin can be pigmented, UV-stabilized for exterior applications and painted or plated for special decorative effects. Nucrel® 925 has excellent tensile strength and low temperature impact properties. Typical Applications: Footwear Powder coating Wire and cable Metal coating Injection molding Features: Good adhesion to metal and polar substrates Good mold flow to reduce molding cycle time Can be cryogenically ground into a powder Low specific gravity-lightweight Information provided by DuPont. This former DuPont product line is now a Dow product line.
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Physical Properties	Metric	English	Comments

Density	0.940 g/cc	0.0340 lb/in³	ASTM D792
Melt Index of Compound	25 g/10 min @Load 2.16 kg, Temperature 190 °C	25 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	50	50	Initial (peak) hardness; ASTM D2240
Tensile Strength at Break	25.0 MPa	3630 psi	Type IV specimen, compression molded, crosshead speed 2 in/min; ASTM D638
Elongation at Break	520 %	520 %	Type IV specimen, compression molded, crosshead speed 2 in/min; ASTM D638
Flexural Modulus	0.0740 GPa	10.7 ksi	ASTM D790
Izod Impact, Notched	NB	NB	ASTM D256
Tensile Impact Strength	275 kJ/m² @Temperature -40.0 °C	131 ft-lb/in² @Temperature -40.0 °F	ASTM D1822S
	755 kJ/m² @Temperature 23.0 °C	359 ft-lb/in² @Temperature 73.4 °F	ASTM D1822S

Thermal Properties	Metric	English	Comments
Melting Point	74.0 - 92.0 °C	165 - 198 °F	ASTM D3418(DSC)
Vicat Softening Point	67.0 °C	153 °F	ASTM D1525

Processing Properties	Metric	English	Comments
Zone 1	160 °C	320 °F
Zone 2	182 °C	360 °F
Zone 3	193 °C	379 °F
Zone 4	204 °C	399 °F
Zone 5	204 °C	399 °F
Die Temperature	204 °C	400 °F
Melt Temperature	149 - 232 °C	300 - 450 °F

Descriptive Properties
Methacrylic Acid Content	15 wt.%		DuPont Method

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PDUPM107 / 33774

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