Sawdust Ash as Powder Material for Self-Compacting Concrete Containing Naphthalene Sulfonate

Table 6

Zeta potential and flow value in the system (Termkhajornkit and Nawa (2004) [4]).

Kind of powder	SP	Average zeta potential (mV)	Flow value (mm)
OPC	None	2.17	6.5
MS/BA*		−14.6	168
UL/BA*		−21.1	115
OPC	Yes	−28.4	—
MS/BA*		−48.6	—
UL/BA*		−63.3	—

∗Type of fly ash.