Vespel SP-1

Unfilled, unreinforced polyimide, which has the best mechanical characteristics and electrical insulating capability among PI products. It can be used at 450°C for a brief period, long-term use is possible around 240°C.

Color:

Electrically insulator:

Yes

main area of use:

Basic stucture material, Raised temperature applications

Rods

Diameters [mm]	Tolerances on diameters (1) [mm]		Weight (2) [kg/fm]
			Vespel SP-1
			chestnut
			709 900
3.20	+0.0	+0.8	• 0.01
6.30	+0.0	+0.8	• 0.05
9.50	+0.0	+0.8	• 0.1
12.70	+0.0	+0.8	• 0.18
15.90	+0.0	+0.8	• 0.28
19.10	+0.0	+0.8	• 0.41
22.20	+0.0	+0.8	• 0.55
25.40	+0.0	+0.8	• 0.72
28.60	+0.0	+0.8	• 0.92
31.80	+0.0	+0.8	• 1.13
34.90	+0.0	+0.8	• 1.37
38.10	+0.0	+0.8	• 1.63
41.30	+0.0	+0.8	• 1.91
44.50	+0.0	+0.8	• 2.22
47.60	+0.0	+0.8	• 2.55
50.80	+0.0	+0.8	• 2.9
54.00	+0.0	+0.8	• 3.27
57.10	+0.0	+1.0	• 3.67
60.30	+0.0	+1.0	• 4.09
63.50	+0.0	+1.0	• 4.53
66.70	+0.0	+1.0	• 4.99
69.80	+0.0	+1.0	• 5.48
73.00	+0.0	+1.0	• 5.99
76.20	+0.0	+1.0	• 6.52
79.40	+0.0	+1.0	• 7.07
82.50	+0.0	+1.0	• 7.65
Standard length [mm]			Tolerances on length [%]
965 (3.20 < ∅ < 82.50)			0 3

(1) - Tolerances according to DIN 16980
(2) - Average product weight
• - Only for order

Plates

Thickness [mm]	Tolerances on thickness (1) [mm]	Weight(2) [kg/fm]
		Vespel SP-1
		chestnut
		709 901
Size of plate: 254 x 254
3.20	+0 +1	• 1.16
6.30	+0 +1	• 2.32
9.50	+0 +1	• 3.47
12.70	+0 +1	• 4.63
15.90	+0 +1	• 5.79
19.10	+0 +1	• 6.95
22.20	+0 +1	• 8.1
25.40	+0 +1	• 9.26
28.60	+0 +1	• 10.42
31.80	+0 +1	• 11.58
34.90	+0 +1	• 12.74
38.10	+0 +1	• 13.89
41.30	+0 +1	• 15.05
44.50	+0 +1	• 16.21
47.60	+0 +1.5	• 17.37
50.80	+0 +1.5	• 18.52
Standard table size [mm]	Tolerances on length [%]	Tolerances on width [%]
254 x 254	0 +5	+0 +1,5

(1) - Tolerances according to DIN 16980
(2) - Average product weight
• - Only for order