ST410S-T-AD HIGH TEMPERATURE DISPERSANT

SUMMARY

l  ST410S-T-AD can significantly reduce cement slurry consistency, improve liquidity and rheological behavior of cement slurry.

l  ST410S-T-AD is applicable in a wide temperature range and is resistant to high temperature.

l  ST410S-T-AD has salt resistance and still has good performance in 5%-10% brine cement slurry.

l  ST410S-T-AD is suitable for both water and dry mixed, has no special requirement on the quality of mixing water and is soluble in cold water.

SPECIAL ATTENTIONS

l  The performance of ST410S-T-AD will be obviously decreased when ST410S-T-AD is used in brine system, whose concentration is higher than that of the half saturated brine.

PHYSICAL AND CHEMICAL INDICATORS

Appearance	Bulk Density g/cm3	Water-Solubility	0.315mm Sieve Residues %
rufous  powder	0.70±0.10	100%	＜12

CEMENT SLURRY PERFORMANCE

Item		Test Condition	Technical  Indicator
Rate of the thickening time (ratio of additive added and non-added)		85℃/44min, 70.3MPa	1.0—2.0
Rate of  24h compressive strength (ratio of additive added and non-added)		85℃, Atmospheric Pressure	≥0.80
Rheological Property	rheological index n	85℃, Atmospheric Pressure	≥0.55
	consistency coefficient k, Pa·Sn		≤0.50
Composition: API class G (HSR)700g; Fresh water308g; ST410S-T-AD 3.5g (0.5%).

APPLICATIONS

Temperature: Lower than356℉(180℃) (BHCT).

Dosage: ST410S-T-AD generally 0.2-2.0% (BWOC), recommend amount 0.5% (BWOC).

PACKING

ST410S-T-AD is packed with 25kg bag. It can also be packed according to user requirements.