| Material: | Organic Silicone |
|---|---|
| Application: | Household, Medical, Industrial, Agricultural |
| Hardness: | 35-70 |
|
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Industrial grade for extruded silicone rubber IOTA SH-1235A/B
Description
It is an A/B A two- component, semitransparent silicone rubber. Take platinum rhodium complex as sulfurizing reagent. The material is perfect to the process of squeeze products
Application
High rebound silicone tube as well as mechanical silicone tube/bar.
Advantages
Simple operation
No additional vulcanizing reagent needed
Fast vulcanizing, high efficiency
Odorless and tasteless
Stable dimension
Good transparency
Smooth surface
Excellent anti-yellowing
Usage
1. Mix ratio:component A: component B=1000 parts:1000parts
2. Clean mixing mill. Mix rubber until smooth edge and surface of the rubber formed by double roller mill.
3. Extrusion process---Discharge the mixed rubber from mixing mill , cut it to appropriate dimension, then do extrusion process
4. Suggested curing condition: 400ºC--600ºC by vertical oven
5. The press molding condition can be adjusted according to the dimension of product
Performance
|
Properties |
SH-1235A/B |
SH-1240A/B |
SH-1250A/B |
SH-1260A/B |
SH-1270A/B |
|
Appearance |
transparent |
||||
|
Plasticity |
180±50 |
230 |
250 |
270 |
310 |
|
Density (g/cm3) |
1.10±0.02 |
1.13±0.02 |
1.15±0.02 |
1.17±0.02 |
1.19±0.02 |
|
Hardness (Shore A) |
35±3 |
40 |
50 |
60 |
70 |
|
Tensile strength (MPa) |
≥7.0 |
≥7.0 |
≥7.0 |
≥7.0 |
≥7.0 |
|
Elongation(%) |
≥700 |
≥550 |
≥450 |
≥350 |
≥250 |
|
Tear strength (kN/m) |
≥16 |
≥25 |
≥25 |
≥25 |
≥30 |
|
Linear shrinkage (%) |
2.1±0.02 |
2.1±0.02 |
2.1±0.02 |
2.1±0.02 |
2.1±0.02 |
Package
20kg/box for both A and B
Storage
1. Separately store component A and component B
2. Stored in cool, dry and ventilated place
3. Environmental temperature below 30ºC
Shelf life
6months from production date
Handling precautions
1. Long time stored fully mixed rubber can be remixed for using. But inspection needed to confirm the properties
2. Separately store component A and component B as well as vulcanizing reagents
3. Safe processing temperature including mix rubber should be below 65ºC
4. Safe storage time of mixed A/B is 2 days below temperature 25ºC
Safety precautions
1. Wear personal protect equipment to avoid burning while processing. Do not eat.
2. Handle with care, details refer to MSDS. In addition, please follow safety regulation of country or local
Government.
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