钠Lignosulfonate

Sodium LigninsulfonateA spray dried fermented sodium lignosulphonate derived spruce wood sulphite liquor.It's a kind of natural anionic surface active agent processed with sulfurous acid pulping waste through advanced production technology. This product is mainly used in all kinds of concrete placing in site, preformed concrete, reinforced concrete and prestressed concrete, especially applicable for commercial concrete, anti-freezing concrete, waterproof concrete, bulk concrete, pumping concrete and so on. It is widely used in various concrete projects such as buildings, dams, culverts and expressways, etc, with high economic benefit. This product is also widely used in pesticide emulsifier, cradling dispersant, pre-tanning agent, ceramics or refractories plasticizer, oil well or water dam grouting gelling agent, etc. Major technical indicators : Index nameIndexAppearanceyellow brown or brown powderDispersancy (comparing to standard)≥ 100heat stability≥ 130PH(1% Aq. solution)5-7, 8-10Moisture≤ 7%Water insoluble matter≤ 2%Inorganic salt≤ 5%Reductive matter≤ 8%Properties: