Industrial Knowledge
Technical articles on lignosulfonates, dispersants, binders and industrial additives for construction, oilfield, mining, coatings, ceramics, textile and manufacturing applications.
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Sodium Lignosulfonate for Leather Retanning and Dye Leveling
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Sodium lignosulfonate as a leather retanning auxiliary and dye-leveling dispersant: function, specification, starting dosage and lab drum trials.
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Sodium Lignosulfonate Battery Expander for Lead-Acid Batteries
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Sodium lignosulfonate as an organic expander for lead-acid battery negative plates: function, specification, starting dosage and qualification tests.
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Calcium Lignosulfonate as a Foundry Sand Binder
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Calcium lignosulfonate has a long history as a water-based binder in foundries. It gives dry strength to sand cores and moulds, burns out during…
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Lignosulfonate in Gypsum Board: Function and Trials
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How sodium lignosulfonate reduces water in plasterboard stucco slurry, plasterboard-grade specs, effect on setting, comparison with SNF and a plant trial plan.
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Lignosulfonate as a Carbon Black Pellet Binder
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How lignosulfonate binds wet-pelletized carbon black, why low ash and insolubles matter (TDS: ash 10% max), process points and a pelletizing trial plan.
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Lignosulfonate in Refractory Castables and Ramming Mixes
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How lignosulfonate works as a temporary binder and dispersant in refractory bricks, ramming mixes and castables, grade choice by cation and ash, trial plan.
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Sulfonated Melamine Formaldehyde (SMF) Superplasticizer: Selection and Trial Guide
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Sulfonated melamine formaldehyde (SMF) is a synthetic anionic polymer made by condensing melamine with formaldehyde and sulfonating the product. In construction it is used…
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Liquid Lignosulfonate Grades: Sodium, Calcium and Potassium Comparison
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Liquid lignosulfonate is supplied as sodium, calcium and potassium salt grades for direct dosing, blending and bulk industrial use. The grades are not interchangeable:…
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Liquid Lignosulfonate for Concrete Workability: Trial Setup and Grade Selection
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Liquid lignosulfonate is used in conventional concrete and cement-based formulations as a plasticizing and set-modifying admixture ingredient. It can improve cement-particle dispersion and workability,…
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