OPL Non Ferric Alum

OPL Non Ferric Alum - Product Overview

Alum is essentially aluminium sulphate with the empirical formula Al2 (SO4)3.18HO. It is of two types (i) Ferric and (ii) Non Ferric.

Non Ferric Alum is a purer form of aluminum sulphate. It is used in better grades of paper for loading and sizing purposes. Non Ferric Alum is manufactured from aluminium trihydrate whereas ferric alum uses bauxite as the raw material. The raw material is cooked with sulphuric acid under suitable conditions. The resultant product is cooled in suitable moulds to slabs. It is available both, in solid and in liquid forms. At Orient Packagings Ltd. we have both products.

OPL Non Ferric Alum - Product Characteristics:

OPL Non Ferric Alum OPL Non Ferric Alum (solid)
Insoluble matter (max.) : 0.30%
Soluble Iron comps. (max.): 0.01%
Soluble Aluminium comps. : (Al O) (max.)
                                                16.0%
PH of 5% solutions (min.) : 2.80
Basicity (as Al O) (max.) : --
Insoluble matter (max.) : 0.15%
Soluble Iron comps. (max.): 0.01%
Soluble Aluminium comps. : (Al O) (max.)
                                                 7.5%
PH of 5% solutions (min.) : 2.80
Basicity (as Al O) (max.) : --

OPL Non Ferric Alum - Product Application:

Non ferric alum imparts better brightness to paper when used with rosin for sizing. It forms a complex resinate that spreads evenly over the surface of paper.

It finds other uses in pharmaceutical and mordanting industry. In water purification the highly positively charged aluminum precipitates negative suspensions as sludge.

OPL Non Ferric Alum - Benefits

It is the most versatile and easily used material for sizing paper with rosin.

For Technical data sheets (TDS), MSDS and latest price information, please email us at info@orientpackagings.com