X-900 Metallic Impregnating Sealant Is Recommended For Large Castings.

Benefits

• Designed for On-Site Large Casting Impregnation
• Sodium Silicate Solution with Finely Divided Micro-Mesh Iron and Mineral Oxides
• Use on Ferrous and Non-Ferrous Alloy Castings
• Impregnate using Vacuum/Pressure or Circulatory Method

What is X-900 Solution

X-900 is a suspension of finely divided micro-mesh iron and mineral oxides in a base solution of sodium silicate material. The basic sodium silicate solution is compounded in a manner to provide a quick-filming action that will result in a short cure cycle of 8 to 24 hours at room temperature.

Designed for on-site impregnation of large, porous ferrous and nonferrous alloy castings.

Vacuum/pressure, internal pressure or circulatory method.

Physical Properties
Liquid Form
Specific gravity @ 20°C (H2O=1)	1.48
Solids %	43.1
Ratio Na2O - SiO2	2.83
pH	11.6
Density, lb/gal @ 20°C (68°F)	12.3
Volatiles	<65%
Boiling Point @ 760 mn Hg	214-216°F (101-102°C)
Freezing Point	30°F (-1°C)
Solubility in Water	100%

Features and Specifications
Curing temperature range (stepped)	180 to 700°F / 82 to 371°C
Operating temperature range	-20 to 1000°F / -29 to 538°C
Max. tested pressure resistance	Maximum Casting Pressure Rating
Flashpoint	None
Typical Applications
Valves Weldments Water & Fuel Pumps Gas & Steam Fittings Engines	Compressors Refrigeration Components Brake Systems Builder’s Hardware Transmission Cases

How sodium silicates take their set.

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