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41 00... Working With 2-Component PU Cavity Foam: Notes

Sourcing reference for cavity foam, refer to BMW Parts Service.

Properties of cavity foam:

2-component PU foam, solvent-free.
Excellent flow capacity, enabling complete sealing of cavities.
Good strength, preventing slipping in cavities.
Low water absorption, preventing corrosion.
Ideal for use as insulating and sealing compound