• Properties of Selected Polymers
• Models of the Resistron series "400"
• TOSS Alloy20® Heatseal Band Size & Resistance Chart
• TOSS Alloy20® Band Shapes & Characteristcis
• Resistance for Special Bands
• Expansion Chart
• NOREX Graph
Properties of Selected Polymers
| Materials |
Melt Point, °C |
Specific Gravity |
Tensile Strength, P.S.I. |
Yield Strength, P.S.I. |
| Polytetrafluorethelene—PTFE |
327 |
2.14-2.20 |
3000-5000 |
|
| Polyamide—Nylon 6 |
210-220 |
1.12-1.14 |
6000-24000 |
13000 |
| Polyamide—Nylon 66 |
255-265 |
1.13-1.15 |
11000 |
300 |
| Polyester—PET |
220-267 |
1.30-1.38 |
8200-8700 |
8200-8700 |
Polyethelene Copolymers— PE
Linear Low & Medium—LLDPE |
112-124 |
.918-.940 |
1900-4000 |
1400-2800 |
Polyethelene Copolymers— PE
Ethylene Vinyl Acetate—EVA |
103-110 |
.922-.943 |
2200-4000 |
1200-6000 |
| Polyethelene, High Density—HDPE |
125-135 |
.939-.960 |
2500-6500 |
2800-4800 |
| Polypropylene Copolymer—PP |
150-175 |
.890-.905 |
4000-5500 |
3000-4300 |
| Polyurethane |
75-137 |
1.12-1.24 |
45000-9000 |
7800-11000 |
|
Vinyl Polymers & Copolymers—PVC
|
75-105 |
1.16-1.35 |
1500-3500 |
900-1700 |
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Models of the Resistron series "400"
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Alloy20® Heatseal Band Size & Resistance Chart
|
SIZE-MM
|
CROSS SECTION AREA
|
MILLIOHMS PER METER
|
OHMS PER INCH
|
|
2 x 0.10
|
0.200
|
4400
|
0.112
|
|
2 x 0.12
|
0.240
|
3667
|
0.093
|
|
2 x 0.15
|
0.300
|
2933
|
0.075
|
|
2 x 0.20
|
0.400
|
2200
|
0.056
|
|
2 x 0.25
|
0.500
|
1760
|
0.045
|
|
2 x 0.30
|
0.600
|
1467
|
0.037
|
|
2 x 0.40
|
0.800
|
1100
|
0.028
|
|
2.5 x 0.15
|
0.375
|
2347
|
0.060
|
|
2.5 x 0.20
|
0.500
|
1760
|
0.045
|
|
2.5 x 0.25
|
0.625
|
1408
|
0.036
|
|
2.5 x 0.30
|
0.750
|
1173
|
0.030
|
|
2.5 x 0.40
|
1.000
|
880
|
0.022
|
|
2.5 x 0.50
|
1.250
|
704
|
0.018
|
|
3 x 0.10
|
0.300
|
2933
|
0.075
|
|
3 x 0.15
|
0.450
|
1956
|
0.050
|
|
3 x 0.20
|
0.600
|
1467
|
0.037
|
|
3 x 0.25
|
0.750
|
1173
|
0.030
|
|
3 x 0.30
|
0.900
|
978
|
0.025
|
|
3 x 0.40
|
1.200
|
733
|
0.019
|
|
3 x 0.50
|
1.500
|
587
|
0.015
|
|
4 x 0.10
|
0.400
|
2200
|
0.056
|
|
4 x 0.15
|
0.600
|
1467
|
0.037
|
|
4 x 0.20
|
0.800
|
1100
|
0.022
|
|
4 x 0.25
|
1.000
|
850
|
0.022
|
|
4 x 0.30
|
1.200
|
733
|
0.019
|
|
4 x 0.40
|
1.600
|
550
|
0.014
|
|
4 x 0.50
|
2.000
|
440
|
0.011
|
|
5 x 0.10
|
0.500
|
1760
|
0.045
|
|
5 x 0.15
|
0.750
|
1173
|
0.030
|
|
5 x 0.20
|
1.000
|
880
|
0.022
|
|
5 x 0.25
|
1.250
|
704
|
0018
|
|
5 x 0.30
|
1.500
|
587
|
0.015
|
|
5 x 0.40
|
2.000
|
440
|
0.011
|
|
5 x 0.50
|
2.500
|
352
|
0.009
|
|
| SIZE-MM |
CROSS SECTION AREA |
MILLIOHMS PER METER |
OHMS PER INCH |
| 6 x 0.10 |
0.600 |
1467 |
0.037 |
| 6 x 0.15 |
0.900 |
978 |
0.025 |
| 6 x 0.20 |
1.200 |
733 |
0.019 |
| 6 x 0.25 |
1.500 |
587 |
0.015 |
| 6 x 0.30 |
1.800 |
489 |
0.012 |
| 6 x 0.40 |
2.400 |
367 |
0.009 |
| 6 x 0.50 |
3.000 |
293 |
0.007 |
| 8 x 0.10 |
0.800 |
1100 |
0.028 |
| 8 x 0.15 |
1.200 |
733 |
0.019 |
|
8 x 0.20
|
1.600 |
550 |
0.014 |
| 8 x 0.25 |
2.000 |
440 |
0.011 |
| 8 x 0.30 |
2.400 |
367 |
0.009 |
| 8 x 0.40 |
3.200 |
275 |
0.007 |
| 8 x 0.50 |
4.000 |
220 |
0.006 |
| 10 x 0.10 |
1.000 |
880 |
0.022 |
| 10 x 0.15 |
1.500 |
587 |
0.015 |
| 10 x 0.20 |
2.000 |
440 |
0.011 |
| 10 x 0.25 |
2.500 |
352 |
0.009 |
| 10 x 0.30 |
3.000 |
293 |
0.007 |
| 10 x 0.40 |
4.000 |
220 |
0.006 |
| 10 x 0.50 |
5.000 |
176 |
0.004 |
| 12 x 0.15 |
1.800 |
489 |
0.012 |
| 12 x 0.20 |
2.400 |
367 |
0.009 |
| 12 x 0.25 |
3.000 |
293 |
0.007 |
| 15 x 0.15 |
2.250 |
391 |
0.010 |
| 15 x 0.20 |
3.000 |
293 |
0.007 |
| 15 x 0.25 |
3.750 |
235 |
0.006 |
| 20 x 0.15 |
3.000 |
293 |
0.007 |
| 20 x 0.20 |
4.000 |
220 |
0.006 |
| 20 x 0.25 |
5.000 |
176 |
0.004 |
| 25 x 0.15 |
3.750 |
235 |
0.006 |
| 25 x 0.20 |
5.000 |
176 |
0.004 |
| 25 x 0.25 |
6.250 |
141 |
0.004 |
|
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Alloy20® Band Shapes & Characteristcis
| FORM |
DESCRIPTION |
APPLICATION |
REMARKS |
 |
Flat Band |
Common sealing |
Limited use because sharp square edges weaken the seal |
 |
Taper Band |
Standard sealing |
Strong standard seals |
 |
Reflex Band |
Vacuum packaging |
Less sealing force needed |
 |
Double Seam Band |
Stronger sealing |
Good for liquid packaging |
 |
Beaded Band |
Cut and seal |
Standard cut and seal applications |
 |
T-Profile Band |
Cut and seal |
Sharp cut and seal for medium to thick materials |
 |
Triangle Profile |
Cut and seal |
Best for thickest materials |
 |
Half Round Profile |
Cut and seal |
For cutting or sealing of thick materials |
 |
Oval Profile |
Pressure seal |
Produces a strong but narrow seal |
 |
Cutting Wire |
Cutting |
Used for rough cutting inadequate for sealing |
 |
Special Shapes |
Sealing |
Used to seal irregular or Profiles shapes or attach fitments |
 |
Endless Bands |
Continuous sealing |
Any width or length for continuous sealing operations |
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Resistance for Special Bands
|
SIZE-MM
|
CROSS SECTION AREA
|
MILLIOHMS PER METER
|
OHMS PER INCH
|
|
T-PROFILE BANDS
|
|
2.3
|
0.87
|
1010.33
|
0.03
|
|
2.8
|
.06
|
830.19
|
0.02
|
|
4
|
1.42
|
620.16
|
0.02
|
| 6 |
2.32 |
380.00 |
0.01 |
|
TRIANGLE PROFILE BANDS
|
|
2.3
|
|
|
|
|
HALF ROUND BANDS
|
|
1.5 X .75
|
0.88
|
996.60
|
0.03
|
|
1.75 X 87
|
1.20
|
732.11
|
0.02
|
|
OVAL PROFILE BANDS
|
|
1.5 X .75
|
0.88
|
996.60
|
0.03
|
|
2.4 X 1.4
|
2.64
|
33.71
|
0.01
|
|
|
SIZE-MM
|
CROSS SECTION AREA
|
MILLIOHMS PER METER
|
OHMS PER INCH
|
|
CUTTING WIRE — DIA. MM
|
|
0.3
|
0.071
|
12456
|
0.317
|
|
0.4
|
0.126
|
7006
|
0.178
|
|
0.5
|
0.196
|
4484
|
0.114
|
|
0.6
|
0.283
|
3314
|
0.079
|
|
0.7
|
0.385
|
2288
|
0.058
|
|
0.8
|
0.502
|
1752
|
0.045
|
|
0.9
|
0.636
|
1384
|
0.035
|
|
1.0
|
0.785
|
1121
|
0.029
|
|
1.1
|
0.950
|
926
|
0.024
|
|
1.2
|
1.130
|
778
|
0.020
|
|
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