Material Properties

Insulation & Sheath Material Properties In General

Characteristics of Thermoplastic Insulating and Sheath Materials

Designation			Electrical
VDE initial-code	Abbre-viations	Materials	Density	Break down voltage	Specific volume resistivity	Dielectric-constant	Dielectric loss factor tan δ
VDE initial-code	Abbre-viations	Materials	g/cm3	KV/mm (20°C)	Ohm·cm 20°C	50 Hz/20°C	Dielectric loss factor tan δ
Y	PVC	Polyvinylchloride compounds	1,35 – 1,5	25	10¹³– 10¹⁵	3,6 – 6	4 x 10^–2 to 1 x 10^–1
Yw	PVC	Heat-resistant 90°C	1,3 – 1,5	25	1012– 10¹⁵	4 – 6,5
Yw	PVC	Heat-resistant 105°C	1,3 – 1,5	25	10¹²– 10¹⁵	4,5 – 6,5
Yk	PVC	Cold resistant	1,2 – 1,4	25	10¹²– 10¹⁵	4,5 – 6,5
2Y	LDPE	Low density Polyethylene	0,92 – 0,94	70	10¹⁷	2,3	2 x 10^–4
2Y	HDPE	High density Polyethylene	0,94 – 0,98	85	10¹⁷	2,3	3 x 10^–4
2X	VPE	Cross-linked Polyethylene	0,92	50	10¹²– 10¹⁶	4 – 6	2 x 10^–3
O2Y		Foamed Polyethylene	0,65	30	10¹⁷	1,55	5 x 10^–4
3Y	PS	Polystyrene	1,05	30	10¹⁶	2,5	1 x 10^–4
4Y	PA	Polyamide	1,02 – 1,1	30	10¹⁵	4	2 x 10^–2 to 1 x 10^–3
9Y	PP	Polypropylene	0,91	75	10¹⁶	2,3 – 2,4	4 x 10^–4
11Y	PUR	Polyurethane	1,15 – 1,2	20	10¹⁰– 10¹²	4 – 7	2,3 x 10^–2
	CPE	Chlorinated Polyethylene	1,16	20	10¹⁰-10¹³	5,5	2,8 x 10^–2
12Y	TPE-E	Polyester Elastomer	1,2 – 1,4	40	＞10¹⁰	3,7 – 5,1	1.8 x 10^–2
	TPE-O	Polyolefine Elastomer	0,89 – 1,0	30	＞10¹⁰	2,7– 3,6	1.8 x 10^–2

Designation			Thermic
VDE initial- code	Abbre-viations	Materials	Working temp.		Melt-temp	Oxygen index LOI	Heating value H0	Thermal-conductivity	Corrosive gases in case of fire	Radiation resistance
VDE initial- code	Abbre-viations	Materials	Permanent (°C)	Short time(°C)	+°C	(% O2)	MJ·kg-1	W·K-1·m-1	Corrosive gases in case of fire	Mrad
Y	PVC	Polyvinylchloride compounds	-30+70	+100	＞140	23-42	17-25	0,17	Hydrogen chloride	80
Yw	PVC	Heat-resistant 90°C	-20+90	+120	＞140	23-42	16-22
Yw	PVC	Heat-resistant 105°C	-20+105	+120	＞140	24-42	16-20
Yk	PVC	Cold resistant	-40+70	+100	＞140	24-42	17-24
2Y	LDPE	Low density Polyethylene	-50+70	+100	105-110	≤22	42-44	0,3	No	100
2Y	HDPE	High density Polyethylene	-50+100	+120	130			0,4
2X	VPE	Cross-linked Polyethylene	-35+90	+100	—			0,3
O2Y		Foamed Polyethylene	-40+70	+100	105	18-30		0,25
3Y	PS	Polystyrene	-50+80	+100	＞120	≤22	40-43	0,25	No	80
4Y	PA	Polyamide	-60+105	+125	210	≤22	27-31	0,23	No	10
9Y	PP	Polypropylene	-10+100	+140	160	≤22	42-44	0,19		10
11Y	PUR	Polyurethane	-55+80	+100	150	20-26	20-26	0,25		100(500)
	CPE	Chlorinated Polyethylene	-55+60	+100	150-170	22-27	27,6	0,144	Hydrogen chloride	50
12Y	TPE-E	Polyester Elastomer	-50 +100	+140	190	≤29	20-25	0,5	No	10
	TPE-O	Polyolefine Elastomer	-50 +100	+130	150	≤25	23-28	1,5	No	10

Designation			Mechanical				Halogen
VDE initial-code	Abbre-viations	Materials	Tensile strength	Elongation at break	Shore hardness	Water absorbtion	Halogen-free
VDE initial-code	Abbre-viations	Materials	N/mm2	%	Shore hardness	%	Halogen-free
Y	PVC	Polyvinylchloride compounds	10-25	130-350	70-95(A)	0,4	No
Yw	PVC	Heat-resistant 90°C
Yw	PVC	Heat-resistant 105°C
Yk	PVC	Cold resistant
2Y	LDPE	Low density Polyethylene	10-20	400-600	43-50(D)	0,1	Yes
2Y	HDPE	High density Polyethylene	20-30	500-1000	60-63(D)
2X	VPE	Cross-linked Polyethylene	12,5-20	300-400	40-45(D)
O2Y		Foamed Polyethylene	8-12	350-450	—	—	Conditional*
3Y	PS	Polystyrene	55-65	300-400	35-50(D)	0,4	Yes
4Y	PA	Polyamide	50-60	50-170	—	1,0-1,5
9Y	PP	Polypropylene	20-35	300	55-60(D)	0,1
11Y	PUR	Polyurethane	30-45	500-700	70-100(A)	1,5	Yes**
	CPE	Chlorinated Polyethylene	12,5	700	70(A)	0.01	NO
12Y	TPE-E	Polyester Elastomer	30	＞300	85(A)70(D)	1,5	Yes
	TPE-O	Polyolefine Elastomer	20	＞300	55(A)70(D)	1,5	Yes

The propellent may be e.g. Fluor-Chlor-Hydrocarbon
**depend on the type compound

Designation			Properties
VDE initial-code	Abbre-viations	Materials	Oxidation resistance	Heat resistance	Oil resistance	Low-temperature flexibility	Weather, sun resistance	Ozone resistance	Abrasion resistance	Flame resistance
Y	PVC	Polyvinylchloride compounds	E	G-E	F	P-G	G-E	E	F-G	E
Yw	PVC	Heat-resistant 90°C
Yw	PVC	Heat-resistant 105°C
Yk	PVC	Cold resistant
2Y	LDPE	Low density Polyethylene	E	G	G-E	E	E	E	G	P
2Y	HDPE	High density Polyethylene	E	E	G-E	E	E	E	E	P
2X	VPE	Cross-linked Polyethylene	E	G	G	O	G	E	F-G	F-G
O2Y		Foamed Polyethylene	E	G	G	E	E	E	F	P
3Y	PS	Polystyrene					F		G	P
4Y	PA	Polyamide	E	E	E	G	E	E	E	P
9Y	PP	Polypropylene	E	E	F	P	E	E	F-G	P
11Y	PUR	Polyurethane	E	G	E	G	G	E	O	P
	CPE	Chlorinated Polyethylene	E	E	E	E	E	E	E-O	E
12Y	TPE-E	Polyester Elastomer	E	E	E	E	E	E	E	F
	TPE-O	Polyolefine Elastomer	E	E	F	E	E	E	F	F-G

P = Poor; F= Fair; G = Good; E = Excellent; O = Outstanding

Designation			Properties
VDE initial-code	Abbre-viations	Materials	Water resistance	Acid resistance	Alkali resistance	Aliphatic hydrocarbons resistance (Gasoline, kerosene, etc)	Aromatic hydrocarbons resistance(Benzol, toluol, etc.)	Halogenated hydrocarbons resistance (Degreaser solvents)	Alcohol resistance
Y	PVC	Polyvinylchloride compounds	F-G	G-E	G-E	P	P-F	P-F	P-F
Yw	PVC	Heat-resistant 90°C
Yw	PVC	Heat-resistant 105°C
Yk	PVC	Cold resistant
2Y	LDPE	Low density Polyethylene	E	G-E	G-E	G-E	P	G	E
2Y	HDPE	High density Polyethylene	E	E	E	G-E	P	G	E
2X	VPE	Cross-linked Polyethylene	G-E	G-E	G-E	F	F	F	E
O2Y		Foamed Polyethylene	E	G-E	G-E	G	P	G	E
3Y	PS	Polystyrene
4Y	PA	Polyamide	P-F	P-F	E	G	G	G	P
9Y	PP	Polypropylene	E	E	E	P-F	P-F	P	E
11Y	PUR	Polyurethane	P-G	F	F	P-G	P-G	P-G	P-G
	CPE	Chlorinated Polyethylene	E	E	E	G-E	E	E	E-O
12Y	TPE-E	Polyester Elastomer	E	F	F	G-E	E	E	E-O
	TPE-O	Polyolefine Elastomer	E	G	G	G-E	E	E	E-O

P = Poor; F= Fair; G = Good; E = Excellent; O = Outstanding