Double tube color what is the difference between sand and barrel colour sand?

Double tube color what is the difference between sand and sand texture in

1, packaging appearance: barrel colour sand and double tube colour sand packing is different, generally barrel colour sand is 3 kg, the internal aluminum bag packaging, double tube colour sand is directly by the true porcelain glue similar double tube filling.

2, construction: barrel colour sand need to manually to reconcile a and b, in wipe to crack, reoccupy dishcloth touchs water scrubbing, double tube construction and true porcelain glue, color sand construction more convenient

3, performance: the barrel colour sand for pure water, environmental protection performance is higher, double tube sand texture for oily materials

4, effect: barrel colour sand surface is matte frosted, double tube for semi matte frosted color sand surface, so the bulk material is really dumb light sand