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| RTV Silicone |
| Innovative Polymers, Inc. distributes a complete line of condensation and addition cure RTV Silicone Rubber. Condensation cure two-component silicone rubbers are excellent for most general mold making and prototype applications. The GI rubbers are not sensitive to inhibition, meaning they will cure at room temperature over virtually any surface. Addition cure two-component silicone rubbers offer superior heat resistance and cure with virtually no shrinkage. Although the P rubbers can be inhibited by tin, sulphur or amines, they can be cured in total confinement, and the cure rate can be dramatically accelerated with heat. |
| GI SERIES - Condensation Cure |
| Product
Name |
|||||||||||||||
| Mix
Ratio (parts by Weight) |
100:5 |
100:10
|
100:10 |
100:10 |
100:10 |
100:10 |
100:10 |
100:10 |
100:10 |
100:10 |
|||||
| Mixed
Viscosity (cps) |
10,000-20,000 |
20,000-30,000 |
30,000-45,000 |
65,000-85,000 |
5,000-65,000 |
65,000-80,000 |
7,000-15,000 |
25,000-35,000 |
5,000-10,000 |
15,000-25,000 |
|||||
| Working
Time (hours) |
1
- 2 |
1.5
- 2.5 |
1.5
- 2.5 |
1.5
- 2.5 |
1.5
- 2.5 |
1.5
- 2.5 |
1
- 2 |
1.5
- 2.5 |
1
- 2 |
1.5
- 2.5 |
|||||
| Cure
Time (hours) |
16
- 18 |
16
- 18 |
16
- 18 |
16
- 18 |
16
- 18 |
16
- 18 |
16
- 18 |
16
- 18 |
16
- 18 |
16
- 18 |
|||||
| Shore
A Hardness (±4) 1 day / 7 days |
25
/ 30 |
23
/ 27 |
28
/ 32 |
30
/ 36 |
30
/ 40 |
22
/ 25 |
5
/ 10
|
15
/ 20 |
5
/ 10 |
15
/ 20 |
|||||
| Tear
Resistance (ppi) |
125
± 25 |
100
± 10 |
120
± 10 |
100
± 15 |
100
± 15 |
140
± 15 |
75
± 10 |
95
± 10 |
75
± 10 |
95
± 10 |
|||||
| Tensile
Strength (psi) |
450
± 25 |
500
± 25 |
525
± 25 |
525
± 25 |
525
± 25 |
525
± 25 |
275
± 25 |
390
± 25 |
275
± 25 |
390
± 25 |
|||||
| Elongation
at Break (%) |
425
± 25 |
325
± 25 |
300
± 25 |
275
± 25 |
225
± 25 |
400
± 25 |
450
± 25 |
475
± 25 |
450
± 25 |
475
± 25 |
|||||
| Shrinkage (%) |
0.10 |
0.10 |
0.10 |
0.10 |
0.20 |
0.10 |
0.10 |
0.10 |
0.10 |
0.10 |
|||||
| Specific Gravity (g/cc) |
1.10 |
1.08 |
1.09 |
1.13 |
1.10 |
1.07 |
1.08 |
1.08 |
1.08 |
1.08 |
|||||
| Coverage
(cubic in/lb) |
25.2 |
25.8 |
25.4 |
24.5 |
25.2 |
25.9 |
25.6 |
25.6 |
25.6 |
25.6 |
|||||
| Special Characteristics | |||||||||||||||
| P SERIES - Addition Cure |
|
Product
Name |
|||||||||||||||
|
Mix
Ratio (parts by Weight) |
100:10 |
100:10 |
100:10 |
100:10 |
100:10 |
100:10 |
100:10 |
100:10 |
100:10 |
100:10 |
|||||
|
Mixed
Viscosity (cps) |
3,000
- 13,000 |
15,000-25,000 |
50,000-60,000 |
40,000-50,000 |
70,000-90,000 |
95,000-120,000 |
90,000-110,000 |
40,000-55,000 |
25,000-40,000 |
N/A |
|||||
|
Working
Time (hours) |
1
- 2 |
1
- 2 |
1
- 2 |
.75
- 1.5 |
1
- 2 |
1
- 2 |
1
- 2 |
1
- 2 |
1
- 2 |
2
- 4 |
|||||
|
Cure
Time (hours) |
16
- 18 |
16
- 18 |
16
- 24 |
16
- 24 |
16
- 24 |
16
- 24 |
16
- 24 |
16
- 24 |
16
- 24 |
16
- 24 |
|||||
|
Shore
A Hardness (±4) 1 day / 7 days |
15
/ 18 |
20
/ 22 |
42
/ 42 |
44
/ 45 |
52
/ 54 |
58
/ 62 |
58
/ 60 |
32
/ 35 |
30
/ 33 |
gel |
|||||
|
Tear
Resistance (ppi) |
100
± 25 |
120
± 25 |
120
± 20 |
160
± 15 |
70
± 10 |
75
± 10 |
70
± 10 |
125
± 10 |
70
± 10 |
gel |
|||||
|
Tensile
Strength (psi) |
475
± 50 |
525
± 50 |
600
± 50 |
800
± 50 |
750
± 50 |
900
± 90 |
775
± 50 |
600
± 50 |
470
± 30 |
gel |
|||||
|
Elongation
at Break (%) |
460
± 50 |
425
± 50 |
200
± 25 |
275
± 50 |
200
± 25 |
200
± 25 |
150
± 25 |
415
± 30 |
345
± 25 |
gel |
|||||
|
Shrinkage (%) |
nil |
nil |
nil |
nil |
nil |
nil |
nil |
nil |
nil |
nil |
|||||
|
Specific Gravity (g/cc) |
1.08 |
1.08 |
1.09 |
1.12 |
1.30 |
1.24 |
1.34 |
1.13 |
1.25 |
1.00 |
|||||
| Coverage
(cubic in/lb) |
25.6 |
25.6 |
25.6 |
24.9 |
21.3 |
22.4 |
20.7 |
24.5 |
22.2 |
27.5 |
|||||
| Special Characteristics | |||||||||||||||