MCT Brattberg
High Temp Block
The material Lycrosil is a heat stabilized flame retardant silicone rubber. Lycrosil has very good resistance to hot air temperatures with a maximum working temperature of 250°C and maximum short-term (2hrs) temperature of 300°C .The temperatures given shall be regarded as guidelines and can vary depending on if the material is subjected to an aggressive environment/media. At the temperatures/times stated, the properties of the material can be said to be unaffected.
- Heat stabilized flame retardant silicone rubber
- They are designed to seal cables and pipes with diameters from 3.5 – 110 mm (0.14-4.33”).
- Other dimensions can be supplied to order.
Reference documents
These links open manufacturer-hosted reference files. Check each source document revision before use.
installation instruction (1)
Product sources
- Source checked 2026-08-08: official MCT Brattberg product page.
About MCT Brattberg insert blocks
MCT Brattberg insert blocks fill transit frames around cables and pipes. Block style and dimensions must match the cable or pipe and the selected system.
Typical applications:
- Cable and pipe packing
- Spare capacity
- EMC configurations
- Non-standard cable arrangements
Not sure this is the right product? Compare the MCT Brattberg insert blocks family or describe your application.