Silanogran M
Silanogran M has especially a positive effect on hot tear resistance. Excellent results were obtained in NBR and NBR/PVC compounds.
Silanogran M is normally more effective than Silanogran SI-69/GR, but has sometimes an activation effect on the t5-values.
In case of the different Silanogran types the formerly liquid silane was converted into granules by using a carrier together with plasticizers and special waxes to protect the silane from moisture during storage. The granules grant additional the following benefits:
- easy and safe handling
- exact weighing and dosage
- faster and better incorporation and dispersion in rubber compounds
Due to these advantages of in most cases it is possible to change from liquid material to granules at a ratio of 1 : 1.8 (theoretical 1 : 2; at a content of 50 % active material).
It is very important to apply the silanes at the right time of the mixing cycle. The silanes should beaded together with rubber and filler before other rubber chemicals are applied. Stearic acid or zinc oxide should never be incorporated before.
After opening the card boxes the storage stability of the products will be limited. For that reason it is recommended to close the aluminium coated PE bag (innerliner) after every use.
General Properties
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Technical Datasheet (English)
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