Glass Microspheres

[robotmotor]

its help to fill gap between the fiber glass leyar

[utube2005]

would u plz tell me where did u get these -Glass Microspheres- from and for wat purpose do u use them..cuz i need them .

best wishes..

[bzdenok]

@utube2005

Hey Utube2005, these are glass microspheres from 3M, our team bought a bag from a local boat supply shop for $130. Not so useful for concrete canoe because they are literally too light (too much mass in the sieve analysis <5)