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Sodium Metasilicate Anydrous (SMS)

Product #23425

SMS are a powder form of anhydrous sodium metasilicate. SMS are normally dry blended and used as an extender in oilwell cements. Light weight slurries can be formulated by blending SMS with the lime present in cement or by the addition of calcium chloride to produce a calcium silicate gel. This gel structure creates enough viscosity to allow for additional mix water without the problem of excess free water separation.

SMS may accelerate the set time of some cement blends. SMS are normally added in a concentration of 0.1% to 3% by weight of cement. Resulting slurry densities range from 1350-1750 kg/m³.

Sodium Metasilicate (%BWOC)	Slurry Density (kg/m³)	Slurry Yield (m³/ton)	Water		Compressive Strength, 24 hr (kpa)		Thickening Time (hr:min)
Sodium Metasilicate (%BWOC)	Slurry Density (kg/m³)	Slurry Yield (m³/ton)	m³/ton	%	50	60	Thickening Time (hr:min)
0	1893	0.929	0.537	44	32889	36613	+4:05	3:10	2:35	---
0.15	1737	1.116	0.732	60	12039	15500	3:20	2:37	2:10	---
1.0	1737	1.116	0.732	60	13073	14997	2:40	1:34	---	---
0.25	1678	1.221	0.830	68	9791	10411	---	---	---	---
1.0	1678	1.221	0.830	68	11308	11880	---	---	---	---
0.5	1618	1.342	0.952	78	6523	8812	---	3:30	2:10	---
2.0	1618	1.342	0.952	78	9150	9791	1:53	1:28	---	---
0.5	1558	1.488	1.100	90	5171	6392	---	---	---	---
2.0	1558	1.488	1.100	90	827	7447	---	---	---	---
0.75	1498	1.658	1.270	104	2634	4309	+5:00	+5:00	+5:00	+5:00
2.0	1498	1.658	1.270	104	4365	4502	+5:00	1:43	---	---
1.0	1438	1.876	1.490	122	1827	2620	---	---	---	---
2.0	1438	1.876	1.490	122	2896	3517	---	---	---	---
1.5	1378	2.175	1.795	147	1014	1586	+5:00	+5:00	+5:00	+5:00
3.0	1378	2.175	1.795	147	1869	1993	+5:00	1:27	---	---
2.0	1318	2.588	2.199	180	703	1207	---	---	---	---
3.0	1318	2.588	2.199	180	1000	1414	---	---	---	---

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Sodium Metasilicate Anydrous (SMS)

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