High Temp Block
MCT Brattberg insert blocks · MCT Brattberg
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.
Pricing, availability, and lead time are confirmed on quote — send your quantities and application details and a human responds.
Reference documents
These links open current files hosted by MCT Brattberg. Check the source document revision before use.
- Installation Guide Rectangular Frames (pdf) (installation instruction)
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
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