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Tube Springs:
Urethane Open End Die Springs & Light Duty Urethane Springs
Physical Properties of P.P.C's Urethane Tube Springs & Strippers
NO.
DT-15
DT-25
DT-35
DT-40
Color
Amber
Red
Green
Yellow

Hardness:
Shore A, duro
95A
90A
80A
60A
Deflection
15%
25%
30%
40%
Tensile Strength
p.s.i, (D -470)
6500
5500
5000

3500
 STANDARD SIZES FROM P.P.C. :
The following three tables show different sizes of tube springs available from stock. Metric sizes are available.

The I.D. of the tube spring (P) is slightly smaller than the nominal punch body diameter, so as to enable the spring to be pressed on the punch body.
Advantages of P.P.C's Urethane Springs and Strippers
High Pressures
Closer Center Distances
High Tear Resistance
Oil Resistant
Punch Vibration Dampening
Easy Installation and Replacement - No need for set screws or stripper bolts.
No Sharpenellizing (Flying into pieces, when fractured under load) thus preventing injury to worker and damage to the die.
Conventional Heavy Duty Die Springs Obtain up to 500 Ibs. per 1/8" deflection, compared to 2600 Ibs. per 1/8" deflection on our springs.
Excellent Flex Life
Non Marring
Positive Stripping
Quieter Operation Than Steel
 
Light Duty Urethane Springs
Part Number

Punch Body Dia
( Inch )

Outside Diameter
( Inch )

Length
( Inch )
Load ( Lbs ) required to deflect
1/8"
1/4"
1/2"
PL-018-100
3/16
11/16
1
250
470
680
PL-018-125
1-1/4
195
365
525
PL-018-150
1-1/2
170
315
450
PL-018-FL
12-1/2
-
-
-
PL-025-100
1/4
3/4
1
295
555
785
PL-025-125
1-1/4
225
425
605
PL-025-150
1-1/2
195
365
520
PL-025-175
1-3/4
165
315
445
PL-025-FL
12-1/2
-
-
-
PL-031-100
5/16
11/16
1
325
615
875
PL-031-125
1-1/4
255
485
690
PL-031-150
1-1/2
220
415
595
PL-031-175
1-3/4
185
355
500
PL-031-200
2
160
300
425
PL-031-FL
12-1/2
-
-
-
PL-038-100
3/8
7/8
1
400
755
1080
PL-038-125
1-1/4
310
590
845
PL-038-150
1-1/2
250
475
675
PL-038-175
1-3/4
200
385
545
PL-038-200
2
180
340
480
PL-038-FL
24-1/2
-
-
-
PL-050-100
1/2
1
1
460
875
1240
PL-050-125
1-1/4
305
580
825
PL-050-150
1-1/2
295
555
790
PL-050-175
1-3/4
250
470
670
PL-050-200
2
225
425
605
PL-050-FL
24-1/2
-
-
-
PL-062-100
5/8
1-1/8
1
505
970
1365
PL-062-125
1-1/4
400
770
1080
PL-062-150
1-1/2
340
640
910
PL-062-175
1-3/4
300
555
805
PL-062-200
2
265
505
715
PL-062-FL
24-1/2
-
-
-
PL-075-125
3/4
1-3/8
1-1/4
675
1280
1815
PL-075-150
1-1/2
580
1100
1560
PL-075-175
1-3/4
500
950
1345
PL-075-200
2
430
820
1160
PL-075-225
2-1/4
375
710
1010
PL-075-FL
24-1/2
-
-
-
PL-088-125
7/8
1-5/8
1-1/4
950
1810
2565
PL-088-150
1-1/2
820
1555
2205
PL-088-175
1-3/4
705
1340
1905
PL-088-200
2
610
1160
1645
PL-088-225
2-1/4
530
1005
1430
PL-088-250
2-1/2
450
850
1210
PL-088-275
2-3/4
415
785
1115
PL-088-FL
24-1/2
-
-
-
PL-100-125
1
1-3/4
1-1/4
1025
1940
2760
PL-100-150
1-1/2
845
1065
2280
PL-100-175
1-3/4
710
1345
1915
PL-100-200
2
620
1175
1670
PL-100-225
2-1/4
555
1050
1495
PL-100-250
2-1/2
495
935
1330
PL-100-275
2-3/4
455
860
1225
PL-100-FL
24-1/2
-
-
-


TOP 

Medium Duty Urethane Springs
Part Number

Punch Body Dia
( Inch )

Outside Diameter
( Inch )

Length
( Inch )
Load ( Lbs ) required to deflect
1/8"
1/4"
1/2"
PM-018-100
3/16
13/16
1
470
6985
960
PM-018-125
1-1/4
270
510
720
PM-018-150
1-1/2
230
440
630
PM-018-FL
12-1/2
-
-
-
PM-025-100
1/4
7/8
1
430
810
1150
PM-025-125
1-1/4
315
595
845
PM-025-150
1-1/2
270
515
730
PM-025-175
1-3/4
245
470
665
PM-025-FL
12-1/2
-
-
-
PM-031-100
5/16
15/16
1
410
790
1120
PM-031-125
1-1/4
350
660
940
PM-031-150
1-1/2
310
580
820
PM-031-175
1-3/4
260
490
700
PM-031-200
2
220
425
605
PM-031-FL
12-1/2
-
-
-
PM-038-100
3/8
1
1
515
975
1390
PM-038-125
1-1/4
430
810
1155
PM-038-150
1-1/2
350
665
940
PM-038-175
1-3/4
295
460
790
PM-038-200
2
255
485
690
PM-038-FL
24-1/2
-
-
-
PM-050-100
1/2
1-1/8
1
610
1160
1650
PM-050-125
1-1/4
470
895
1275
PM-050-150
1-1/2
380
725
1030
PM-050-175
1-3/4
315
600
850
PM-050-200
2
345
655
935
PM-050-FL
24-1/2
-
-
-
PM-062-100
5/8
1-1/4
1
715
1355
1930
PM-062-125
1-1/4
540
1025
1460
PM-062-150
1-1/2
380
870
1235
PM-062-175
1-3/4
315
720
1025
PM-062-200
2
345
655
935
PM-062-FL
24-1/2
-
-
-
PM-075-125
3/4
1-1/2
1-1/4
880
1670
2370
PM-075-150
1-1/2
730
1385
1965
PM-075-175
1-3/4
620
1175
1670
PM-075-200
2
530
1005
1435
PM-075-225
2-1/4
475
900
1280
PM-075-250
2-1/2
430
810
1155
PM-075-275
2-3/4
375
715
1015
PM-075-FL
24-1/2
-
-
-
PM-088-125
7/8
1-3/4
1-1/4
1195
2265
3220
PM-088-150
1-1/2
987
1870
2660
PM-088-175
1-3/4
845
1600
2275
PM-088-200
2
725
1370
1950
PM-088-225
2-1/4
650
1230
1750
PM-088-250
2-1/2
585
1105
1575
PM-088-275
2-3/4
510
970
1380
PM-088-300
3
390
740
1055
PM-088-FL
24-1/2
-
-
-
PM-100-125
1
2
1-1/4
1395
2650
3765
PM-100-150
1-1/2
1080
2050
2915
PM-100-175
1-3/4
875
1655
2350
PM-100-200
2
770
1460
2075
PM-100-225
2-1/4
695
1315
1870
PM-100-250
2-1/2
630
1195
1700
PM-100-275
2-3/4
570
1085
1540
PM-100-300
3
510
970
1380
PM-100-400
4
380
720
1025
PM-100-FL
24-1/2
-
-
-


TOP 

Heavy Duty Urethane Springs
Part Number

Punch Body Dia
( Inch )

Outside Diameter
( Inch )

Length
( Inch )
Load ( Lbs ) required to deflect
1/8"
1/4"
1/2"
PH-018-100
3/16
15/16
1
550
1050
1480
PH-018-125
1-1/4
420
805
1140
PH-018-150
1-1/2
310
580
820
PH-018-FL
12-1/2
-
-
-
PH-025-100
1/4
1
1
640
1215
1725
PH-025-125
1-1/4
490
935
1325
PH-025-150
1-1/2
360
680
965
PH-025-175
1-3/4
315
595
840
PH-025-FL
12-1/2
-
-
-
PH-031-100
5/16
1-1/16
1
580
1100
1570
PH-031-125
1-1/4
430
830
1180
PH-031-150
1-1/2
310
780
1110
PH-031-175
1-3/4
360
680
970
PH-031-200
2
290
550
780
PH-031-FL
12-1/2
-
-
-
PH-038-100
3/8
1-1/8
1
720
1360
1945
PH-038-125
1-1/4
535
1010
1445
PH-038-150
1-1/2
360
895
1265
PH-038-175
1-3/4
405
770
1090
PH-038-200
2
330
625
890
PH-038-FL
24-1/2
-
-
-
PH-050-100
1/2
1-1/4
1
780
1410
2110
PH-050-125
1-1/4
610
1090
1650
PH-050-150
1-1/2
495
885
1330
PH-050-175
1-3/4
445
795
1195
PH-050-200
2
405
730
1100
PH-050-FL
24-1/2
-
-
-
PH-062-100
5/8
1-3/8
1
880
1580
2365
PH-062-125
1-1/4
700
1255
1880
PH-062-150
1-1/2
575
1035
1555
PH-062-175
1-3/4
490
885
1325
PH-062-200
2
440
790
1190
PH-062-FL
24-1/2
-
-
-
PH-075-125
3/4
1-3/4
1-1/4
1260
2270
3400
PH-075-150
1-1/2
1080
1945
2920
PH-075-175
1-3/4
915
1645
2470
PH-075-200
2
806
1450
2420
PH-075-225
2-1/4
715
1285
1930
PH-075-250
2-1/2
635
1140
1710
PH-075-275
2-3/4
585
1055
1580
PH-075-FL
24-1/2
-
-
-
PH-088-125
7/8
2
1-1/4
1632
2935
4405