Technically Specified Rubber
Product Description
General purpose rubbers graded by precise technical standards and not by visual characteristics. Some standards may vary marginally according to origin.
| Type | SIR 3 CV | SIR 3 L | SIR 3 WF | SIR 5 | SIR 10 | SIR 20 | Testmethod |
|---|---|---|---|---|---|---|---|
| Raw Material | Latex | Latex | Latex | Thin Latex Coagulum | Field Co- agulum |
Field Co- agulum |
|
| Dirt Content % max | 0.03 | 0.03 | 0.03 | 0.05 | 0.10 | 0.20 | ISO 249 |
| Ash Content % max | 0.50 | 0.50 | 0.50 | 0.50 | 0.75 | 1.00 | ISO 247 |
| Volatile Matter % max | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | ISO 244 |
| Nitrogen Content % max | 0.60 | 0.60 | 0.60 | 0.60 | 0.60 | 0.60 | ISO 1656 |
| Initial Wallace Plasticity (Po) min | 30 | 30 | 30 | 30 | 30 | 30 | ISO 2007 |
| Plasticity Retention Index (PRI) min | 60 | 75 | 75 | 70 | 60 | 50 | ISO 2930 |
| Colour Index Lovibond Scale max | 6.0 | ISO 4660 |
Specifications
 | 228 K | |
| 228 K |
Material Safety Data Sheets
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