Material Performance Tests of the Polymer-Cement Thin Spray-On Liner

Table 3

Admixture characteristic ingredient list.

Additives	Main ingredient	Color	Solid content (%)	pH	Feature
Cement quick-setting agent	Calcium aluminate, sodium aluminate and sodium carbonate	White	—	—	Powdery solid
Polycarboxylic acid series high performance water reducing agent	Polycarboxylate	White	—	7-9	Powdery solid
Dodecanol ester film-forming agent	Dodecyl alcohol ester	Colorless and transparent	40%	6	Liquid
Polydimethylsiloxane defoamer	Polydimethylsiloxane	Colorless or light yellow	60%	5-8	Liquid
Cellulose	Cellulose	White	—	—	Powdery solid