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Engineering Plastic Fastener

Material properties Overview

Temperature Resistance
Tensile Rupture Force (N)
Torsional Rupture Torque （N.M）
Recommended Fastening Torque (N.M)
Electrical Properties

Material	Continuous Use Temp.	Flammability
PEEK	260°C	UL94V-0
PPS	180°C	UL94V-0
PI	300°C	UL94V-0
PVDF	140°C	UL94V-0
Nylon	75°C	UL94V-2
RENY	105°C	UL94HB
PTFE	250°C	UL94-V0
PP	65°C	UL94HB
PC	115°C	UL94V-2
PVC	55°C	N/A

Material	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	M16
PEEK	160	310	430	765	1230	1670	3090	4900	7360
PPS	230	440	570	980	1570	2250	3720	5980	7850
PI	130	258	358	730	1025	1400	2575	4080	6100
PVDF			107	314	640	940	1810	2700	3980
NYLON				350	500	650	1200	1900	2600
RENY	303	580	635	1470	2450	3140	5100	6900	8700	18000
PTFE			100	104	161	240	481	654	835
PP				270	440	620	1100	1800	2400
PC				515	750	1050	1470	3140	4710
PVC				420	666	855	1605	2618	3828

Material	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	M16
PEEK	0.06	0.16	0.30	0.64	1.28	2.26	5.98	10.8	18.6
PPS	0.08	0.18	0.36	0.70	1.42	2.11	5.29	11.8	20.6
PI			0.19	0.32	0.42	0.51	1.09
PVDF			0.20	0.40	0.64	0.88	2.65	3.9	9.2
NYLON	0.06	0.15	0.26	0.62	1.23	1.42	3.02	5.23	9.15
RENY	0.10	0.25	0.39	0.79	1.77	2.94	7.85	12.7	24.5	39
PTFE			0.02	0.03	0.08	0.14	0.24	0.69	1.54
PP				0.23	0.51	0.80	2.19	3.39	5.28
PC	0.05	0.12	0.22	0.54	1.03	1.37	2.94
PVC				0.33	0.58	0.95	2.15	4.33	8.56

Material	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	M16
PEEK	0.03	0.07	0.13	0.28	0.57	1.0	2.65	4.8	6.2
PPS	0.03	0.08	0.14	0.30	0.63	1.1	2.92	5.3	9.0
PI			0.1	0.16	0.21	0.32	0.55
PVDF			0.19	0.35	0.56	0.78	2.3	3.45	8.14
NYLON				0.12	0.25	0.36	0.99	1.56	2.55
RENY	0.04	0.08	0.16	0.31	0.63	0.93	2.34	5.22	9.11
PTFE			0.01	0.01	0.04	0.06	0.1	0.3	0.7
PP				0.1	0.23	0.35	0.97	1.5	2.35
PC	0.02	0.05	0.09	0.23	0.46	0.6	1.3	2.6	4.6
PVC				0.15	0.27	0.43	0.96	1.93	3.79

Material	Volume resistance (Ω•cm)	Insulation breakdown strengh (KV/mm)	Permittivity (10⁶Hz)
PEEK	4.9×10¹⁶	16	3.3
PPS	1×10¹⁶	15	4.6
PI	10^14~15	22	2.3
PVDF	10^15~16	300 MV/mm	10
NYLON	10^13~14	37	3.0
RENY	1.3×10¹⁶	32.2	4.0
PTFE	>10¹⁸	19.2	<2.1
PP	1×10¹⁶
PC	4×10¹⁶	17	2.9