How does hydrophobic resin differ from hydrophilic?
Question
How does hydrophobic resin differ from hydrophilic?
Expert Answer
Hydrophobic resins repel water and do not mix with it; they are typically used to form rigid or semi-rigid seals once water flow has been stopped. Hydrophilic resins love water; they absorb it and swell to form a flexible gel. Hydrophilic resins are excellent for joints that move or for 'chasing' water through wet cracks, as they use the moisture to aid their expansion and sealing capability.
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