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Technical Properties of Engineering Plastics

Property	Test Method	Unit	UHMW PE	HDPE	PP	POM	NYLON 6A	MC NYLON	ABS	PVC	PETP	PVDF	PTFE	PEEK	PAI	PI	PEI	PSU
Phystical Properties
Density	ISO 1183	g/cm³	0.93	0.95	0.92	1.39	1.13	1.15	1.04	1.36	1.39	1.77	2.16	1.32	1.41	1.34	1.27	1.24
Water Absorption			-	-	-	0.20	3.00	2.20	0.40	0.20	≧0.2	≦0.04	< 0.01	0.50	2.50	1.20	0.25	0.23
Mechanical Properties
Tensile Strength at Yield	ISO 527	MPa	17	22	33	63	70	80	41	55	90	50	≧25	97	120	-	105	70
Flexural Strength	ISO 178	MPa	27	30	-	-	-	-	70	90	-	80	-	170	-	-	145	106
Hardness - Shore D	DIN 53505		62	62	70	85	77	77	70	82	-	78	50-65	90	-	-	82	86
Notch Impact Strength	ISO 179	kJ/m²	O.B.	20.00	13.00	6.00	> 3	> 4	37.00	3.00	-	22.00	O. B.	8.20	10.00	3.50	6.00	5.30
Enlongation At Break	ISO 527		≧ 350	≧ 600	≧ 50	31.00	≧ 50	50.00	45.00	33.00	15.00	80.00	> 50	≧ 60	-	9.00	60.00	50 - 100
Friction Coefficients	DIN 53375		0.25	0.30	0.30	0.35	0.38	0.36	0.50	0.60	0.25	0.34	0.15	0.34	0.08	0.80	-	0.40
Thermal Properties
Coefficient of Linear Thermal Expansion	DIN 53752	K^-1 x 10^-4	2.00	1.55	1.50	1.10	0.85	0.75	1.00	0.80	0.80	1.20	1.20	0.47	-	-	0.56	0.56
Thermal Conductivity at 20℃	DIN 52612	w / (m x k)	0.42	0.43	0.22	0.31	0.28	0.29	0.25	0.14	0.29	0.13	0.25	0.25	0.26	0.35	0.24	0.26
Heat Deflection Temp.	ISO 75	℃	65	70	95	155	160	195	97	72	-	145	121	240	-	360	200	181
Max. Service Temp.	-	℃	90	90	100	110	100	105	70	60	110	150	250	260	250	300	170	160
Electrical Properties
Dielectric Strength	VDE 0303	kV/mm	45	17	-	40	20-50	50	150	20-40	22	22	15-60	19	-	-	33	17
Volume Resistivity	VDE 0303	Ω x cm	≧ 10¹⁴	≧ 10¹⁵	≧ 10¹⁶	≧ 10¹³	≧ 10¹³	10 ¹²	≧ 10¹⁴	≧ 10¹⁵	≧ 10¹⁵	≧ 10¹³	≧ 10¹⁸	4.9 x 10¹⁶	10¹⁷	10¹⁶	≧ 10¹³	≧ 10¹³
Surface Resistance	VDE 0303	Ω	≧ 10¹²	≧ 10¹⁶	≧ 10¹⁶	≧ 10¹³	≧ 10¹⁰	> 10 ¹³	≧ 10¹³	≧ 10¹³	≧ 10¹⁴	≧ 10¹⁴	≧ 10¹⁷	≧ 10¹⁵	10¹⁸	10¹⁵	≧ 10¹⁵	≧ 10¹⁵

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