They are a very fine filamentous powder, with a low specific weight, white in color, which added in a small proportion (10-12% by volume) to the compound resin (A + B), slightly increase its density and make the bonding parts more filling like the locks, the joints, etc., and maintaining a greater quantity of resin, it gives it to the wood, which has the possibility of absorbing it and forming a more homogeneous and resistant joint.

La vessie lourde et épaisse Sidemount est plus large que la version «légère». Elle offre une flottabilité de 18 kg, un confort et une finition optimale, tout en restant à plat lorsqu'elle est gonflée.