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ELASTOSIL® AUX MASTIZIERHILFE 4
ready to use additive that helps to replastifiy heavily crepe-hardened solid silicone rubber compounds
特性
- Paste consistency – can easily be incorporated into ELASTOSIL® R and R plus compounds.
- No impairment of ELASTOSIL® R and R plus grades when concentration recommendations are observed.
- No influence on the crosslinking characteristics of ELASTOSIL® R and R plus grades.
ELASTOSIL® AUX MASTIZIERHILFE 4 helps to replastify heavily crepe-hardened rubber compounds. Excessive crepe hardening of the rubber can be recognized by the rough surface of extrudates or difficult mold filling in compression moulding processes. In such cases, the rubber must be replastified before compounding on a roll mill.
Depending on the degree of crepe-hardening a dosage of 1 – 3 % is recommended. Using higher amounts of ELASTOSIL® AUX MASTIZIERHILFE 4 may result in a reduced Shore A hardness, especially when applied to ELASTOSIL® R and R plus grades with high hardness values.
Incorporation of ELASTOSIL® AUX REPLASTICIZER 4 into ELASTOSIL® R and R plus silicone rubbers is best done on two-roll mills. Depending on the degree of crepe-hardening, a homogeneous compound forms with time. Heavily crepe-hardened rubber will tear at first, form an inhomogeneous network, or crumble. ELASTOSIL® AUX REPLASTICIZER 4 can be added subsequently to obtain a homogenous silicone compound with good processability.
A total dosage of 1 – 3 % ELASTOSIL® AUX REPLASTICIZER 4 is recommended.
包装
This product is available in 20 kg and 540 kg cardboard packaging.
储存
The 'Best use before end' date of each batch is shown on the product label. Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.
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