Sodium Silicate - Products and Specifications

PQ Corporation manufactures many different types of Sodium Silicates to meet various application demands. Below are listed some of these products and their typical properties. The properties shown here are typical values, not manufacturing specs. If you have any questions about these properties or would like information on a product not listed here please contact our Technical Service group.

Sodium Silicates Liquid and Glass

A®1647	A®2445	A®2447	A®2645	BJ™120
BW®50	D™	E™	K®	M®
N®	N®Clear	N®38	O®	OW®
RU™	SS®	SS®22	SS®75	Star™
Stixso™RR	V®

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Typical Property Data for PQ® Liquid Sodium Silcates (550KB pdf file)

Product Name	A®1647	MSDS
Wt. Ratio SiO2/Na2O	1.60	ANSI	Top of Page
%Na2O	18.0
%SiO2	28.8
Density @ 68°F(20°C) °Be'	54.4
Density @ 68°F(20°C) lb/gal	13.40
Density @ 68°F(20°C) g/cm3	1.60
pH	13.6
Viscosity Centipoises	1200
Characteristics	Very low ratio, high solids

Product Name	A®2445	MSDS
Wt. Ratio SiO2/Na2O	2.4	ANSI	Top of Page
%Na2O	13.4
%SiO2	32.2
Density @ 68°F(20°C) °Be'	50.6
Density @ 68°F(20°C) lb/gal	12.8
Density @ 68°F(20°C) g/cm3	1.54
pH	12.3
Viscosity Centipoises	870
Characteristics	Intermediate low solids

Product Name	A®2447	MSDS
Wt. Ratio SiO2/Na2O	2.40	ANSI	Top of Page
%Na2O	13.9
%SiO2	33.2
Density @ 68°F(20°C) °Be'	52.0
Density @ 68°F(20°C) lb/gal	13.0
Density @ 68°F(20°C) g/cm3	1.56
pH	12.3
Viscosity Centipoises	1900
Characteristics	Intermediate high solids

Product Name	A®2645	MSDS
Wt. Ratio SiO2/Na2O	2.58	ANSI	Top of Page
%Na2O	12.5
%SiO2	32.1
Density @ 68°F(20°C) °Be'	49.5
Density @ 68°F(20°C) lb/gal	12.63
Density @ 68°F(20°C) g/cm3	1.51
pH	12.1
Viscosity Centipoises	850
Characteristics	Intermediate low solids

Product Name	BJ™120	MSDS
Wt. Ratio SiO2/Na2O	1.80	ANSI	Top of Page
%Na2O	13.15
%SiO2	23.7
Density @ 68°F(20°C) °Be'	43.7
Density @ 68°F(20°C) lb/gal	11.9
Density @ 68°F(20°C) g/cm3	1.43
g/cm3
pH	13.1
Viscosity Centipoises	50
Characteristics	Clear to gray opalescent liquid

Product Name	BW™50	MSDS
Wt. Ratio SiO2/Na2O	1.6	ANSI	Top of Page
%Na2O	16.35
%SiO2	26.2
Density @ 68°F(20°C) °Be'	50.3
Density @ 68°F(20°C) lb/gal	12.7
Density @ 68°F(20°C) g/cm3	1.53
pH	13.5
Viscosity Centipoises	Typical 280
Characteristics	An opalescent liquid

Product Name	D™	MSDS
Wt. Ratio SiO2/Na2O	2.00	ANSI	Top of Page
%Na2O	14.7
%SiO2	29.4
Density @ 68°F(20°C) °Be'	50.5
Density @ 68°F(20°C) lb/gal	12.8
Density @ 68°F(20°C) g/cm3	1.53
pH	12.8
Viscosity Centipoises	400
Characteristics	Clear to opalescent liquid

Product Name	E™	MSDS
Wt. Ratio SiO2/Na2O	3.22	ANSI	Top of Page
%Na2O	8.6
%SiO2	27.7
Density @ 68°F(20°C) °Be'	40.0
Density @ 68°F(20°C) lb/gal	11.5
Density @ 68°F(20°C) g/cm3	1.37
pH	11.3
Viscosity Centipoises	100
Characteristics	Specially clarified

Product Name	K®	MSDS
Wt. Ratio SiO2/Na2O	2.88	ANSI	Top of Page
%Na2O	11.0
%SiO2	31.7
Density @ 68°F(20°C) °Be'	47.0
Density @ 68°F(20°C) lb/gal	12.3
Density @ 68°F(20°C) g/cm3	1.47
pH	11.5
Viscosity Centipoises	960
Characteristics	Sticky, heavy silicate

Product Name	M®	MSDS
Wt. Ratio SiO2/Na2O	2.58	ANSI	Top of Page
%Na2O	12.4
%SiO2	32.1
Density @ 68°F(20°C) °Be'	49.3
Density @ 68°F(20°C) lb/gal	12.6
Density @ 68°F(20°C) g/cm3	1.50
pH	11.8
Viscosity Centipoises	780
Characteristics	Syrupy liquid

Product Name	N®	MSDS
Wt. Ratio SiO2/Na2O	3.22	ANSI	Top of Page
%Na2O	8.9
%SiO2	28.7
Density @ 68°F(20°C) °Be'	41.0
Density @ 68°F(20°C) lb/gal	11.6
Density @ 68°F(20°C) g/cm3	1.38
pH	11.3
Viscosity Centipoises	180
Characteristics	Syrupy liquid

Product Name	N®38	MSDS
Wt. Ratio SiO2/Na2O	3.22	ANSI	Top of Page
%Na2O	8.2
%SiO2	26.4
Density @ 68°F(20°C) °Be'	38.0
Density @ 68°F(20°C) lb/gal	11.3
Density @ 68°F(20°C) g/cm3	1.36
pH	11.3
Viscosity Centipoises	60
Characteristics	Syrupy liquid

Product Name	N®Clear	MSDS
Wt. Ratio SiO2/Na2O	3.22	ANSI	Top of Page
%Na2O	8.9
%SiO2	28.7
Density @ 68°F(20°C) °Be'	41.0
Density @ 68°F(20°C) lb/gal	11.6
Density @ 68°F(20°C) g/cm3	1.38
pH	11.3
Viscosity Centipoises	180
Characteristics	Syrupy liquid

Product Name	O®	MSDS
Wt. Ratio SiO2/Na2O	3.22	ANSI	Top of Page
%Na2O	9.1
%SiO2	29.5
Density @ 68°F(20°C) °Be'	42.2
Density @ 68°F(20°C) lb/gal	11.8
Density @ 68°F(20°C) g/cm3	1.41
pH	11.3
Viscosity Centipoises	400
Characteristics	More concentrated then N®

Product Name	OW®	MSDS
Wt. Ratio SiO2/Na2O	3.22	ANSI	Top of Page
%Na2O	9.15
%SiO2	29.46
°Baume' @ 20°/20°C	42.2
Viscosity @ 20°/20°C Centipoises	400
Stormer Secs3	115
Characteristics	Nearly clear to opalescent liquid

Product Name	RU™	MSDS
Wt. Ratio SiO2/Na2O	2.40	ANSI	Top of Page
%Na2O	13.9
%SiO2	33.2
Density @ 68°F(20°C) °Be'	52.0
Density @ 68°F(20°C) lb/gal	13.0
Density @ 68°F(20°C) g/cm3	1.56
pH	12.2
Viscosity Centipoises	2100
Characteristics	Sticky heavy silicate

Product Name	SS®	MSDS
Wt. Ratio SiO2/Na2O	3.22	ANSI	Top of Page
%Na2O	23.5
%SiO2	75.7
%H2O	0
Density @ 68°F(20°C) lb/ft3	88
Density @ 68°F(20°C) g/cm3	1.41
Characteristics	Coarse lumps

Product Name	SS®22	MSDS
Wt. Ratio SiO2/Na2O	3.22	ANSI	Top of Page
%Na2O	23.5
%SiO2	75.7
%H2O	0
Density @ 68°F(20°C) lb/ft3	90
Density @ 68°F(20°C) g/cm3	1.44
Characteristics	Coarse lumps

Product Name	SS®75	MSDS
Wt. Ratio SiO2/Na2O	2.75	ANSI	Top of Page
%Na2O	26.5
%SiO2	72.9
%H2O	0
Density @ 68°F(20°C) lb/ft3	88
Density @ 68°F(20°C) g/cm3	1.41
Characteristics	Coarse lumps

Product Name	Star™	MSDS
Wt. Ratio SiO2/Na2O	2.50	ANSI	Top of Page
%Na2O	10.6
%SiO2	26.5
Density @ 68°F(20°C) °Be'	42.3
Density @ 68°F(20°C) lb/gal	11.7
Density @ 68°F(20°C) g/cm3	1.40
pH	12.0
Viscosity Centipoises	60
Characteristics	Brilliantly clear

Product Name	Stixso™RR	MSDS
Wt. Ratio SiO2/Na2O	3.25	ANSI	Top of Page
%Na2O	9.2
%SiO2	30.0
Density @ 68°F(20°C) °Be'	42.7
Density @ 68°F(20°C) lb/gal	11.8
Density @ 68°F(20°C) g/cm3	1.41
pH	11.30
Viscosity Centipoises	830
Characteristics	Syrupy liquid

Product Name	V®	MSDS
Wt. Ratio SiO2/Na2O	2.50	ANSI	Top of Page
%Na2O	10.6
%SiO2	26.5
Density @ 68°F(20°C) °Be'	42.0
Density @ 68°F(20°C) lb/gal	11.7
Density @ 68°F(20°C) g/cm3	1.40
pH	12.0
Viscosity Centipoises	60
Characteristics	Low viscosity silicate