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Refractory Material Adhesive-Powdery Instant Sodium Silicate

Powdery Instant Sodium Silicate is white powdery material, fast dissolved in water, low temp. resistance, even; the uses , transportation & storage are very convenient; molecular formula Na₂O • nSiO₂ • H₂O ( n is determined by spec & usage.)

Used as spraying fixing material in kiln repair, the adhesive of amorphism fire resistance material, sand-casting , warm keeping material and electric welding rod .

RM Powdery Instant Sodium Silicate Standard :

Spec Index Name	RM-I	RM-II	RM-III	RM-IV	RM-V
Na₂O %	25.0-28.0	23.0-26.0	20.0-23.0	19.0-22.0	18.0-21.0
SiO₂%	48.0-54.0	51.0-58.0	55.0-64.0	55.0-64.0	56.0-65.0
Modulus (M)	2.00±0.10	2.30±0.10	2.85±0.10	3.00±0.10	3.30±0.10
Dissolved Speed (S/30°C)	≤90	≤90	---	---	---
Apparent Density (g/ml)	0.35-0.80	0.50-0.80	0.50-0.80	0.50-0.80	0.50-0.80
Grainsize	≥95	≥95	≥95	≥95	≥95

Packing : 25kg in polypropylene woven bag lined with two high pressure polythene bag; For export: 25kg in three-in-one complex brown paper.

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