Coats

Coats Technical Services

Water Blocking Yarns

Water Blocking Yarns
Ultrabloc SY

Water swellable, spun superabsorbent polymer yarn that is ideal for dry blocking in wire & cable products. It is proven in temperature cycling, heat ageing and freeze/ thaw testing.
Ultrabloc SY
Ultrabloc F

Flat water swellable yarn for dry blocking in fibre optic cables around central strength members. Its manufacturing process proves to have a very low dusting and shedding that helps improve cleanliness and safety during the cable manufacturing process.
Ultrabloc F