Evonik Trogamid® A4000 Transparent Polyamide

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Evonik Trogamid® A4000 Transparent Polyamide (discontinued **)
Categories:	Polymer; Thermoplastic; Nylon (Polyamide PA)
Material Notes:	Description: TROGAMID A4000 is an amorphous and transparent polyamide with a glass transition temperature of 135 °C and a light transmission of more than 85%, suitable for injection molding and extrusion. Listings: TROGAMID A4000 has been approved for direct contact with foodstuffs by the European Community (Directive 90/128/EEC) and the Food and Drug Administration (FDA – 21stCFR, Section 177.1500 Nylon Resins). Information provided by degussa. Evonik Industries is the successor company to Degussa.
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Physical Properties	Original Value	Comments

Density	1.18 g/cc	ISO 1183
Water Absorption at Saturation	7.8 %	ISO 62
Linear Mold Shrinkage	0.0040 cm/cm	ISO 294-4
Linear Mold Shrinkage, Transverse	0.0050 cm/cm	ISO 294-4

Mechanical Properties	Original Value	Comments
Hardness, Shore D	88	ISO 868
Ball Indentation Hardness	165 MPa	H30; ISO 2039-1
Tensile Strength, Yield	100 MPa	ISO 527-1/2
Elongation at Break	>= 50 %	ISO 527-1/2
Elongation at Yield	7.0 %	ISO 527-1/2
	8.5 %	Outer fiber strain at maximum stress; ISO 178
Tensile Modulus	2.70 GPa	ISO 527-1/-2
Flexural Strength	85.0 MPa	at 3.5% strain; ISO 178
	130 MPa	ISO 178
Flexural Modulus	3.30 GPa	ISO 178
Charpy Impact Unnotched	NB @Temperature 0.000 °C	ISO 179/1eU
	NB @Temperature -30.0 °C	ISO 179/1eU
	NB @Temperature 23.0 °C	ISO 179/1eU
Charpy Impact, Notched	1.10 J/cm² @Temperature -30.0 °C	ISO 179/1eA
	1.20 J/cm² @Temperature 23.0 °C	ISO 179/1eA
	1.20 J/cm² @Temperature 0.000 °C	ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+18 ohm-cm	IEC 60093
Surface Resistance	1.00e+14 ohm	IEC 60093
Dielectric Constant	3.5 @Frequency 1e+6 Hz	IEC 60250
	4.4 @Frequency 100 Hz	IEC 60250
Dissipation Factor	0.013 @Frequency 100 Hz	IEC 60250
	0.11 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	575 V	100 drops value; IEC 60112
	600 V	Test Solution A CTI; IEC 60112

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	125 °C	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	110 °C	ISO 75-1/-2
Vicat Softening Point	130 °C	Method B, 50 N; ISO 306
	135 °C	Method A, 10 N; ISO 306
Glass Transition Temp, Tg	135 °C	2nd heating; DSC-7
Flammability, UL94	V-2 @Thickness 0.800 mm	IEC 60695
	V-2 @Thickness 1.60 mm	IEC 60695

Optical Properties	Original Value	Comments
Transmission, Visible	90 %	transparent; thickness not quantified

Compliance Properties	Original Value	Comments
FDA	Yes	See notes for details.

**
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