Chelants and Process Aids
Tetrasodium EDTA
Tetrasodium EDTA is commonly used in alkaline cleaning and metal-ion control.
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ENVO CHEMICAL GROUP / PRODUCTS
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323 items · Showing 41–60
Chelants and Process Aids
Disodium EDTA
Disodium EDTA chelates metal ions in formulations. Hydration state affects the active equivalent.
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Scale and Corrosion Control
Aminotris(methylenephosphonic Acid) (ATMP)
ATMP is a phosphonate used for scale and metal-ion control in water systems.
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Scale and Corrosion Control
1-Hydroxyethylidene-1,1-diphosphonic Acid (HEDP)
HEDP is used in scale-control formulations such as cooling water treatments. Specify liquid acid or solid salt separately.
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Scale and Corrosion Control
Polyphosphate Scale Inhibitor Spheres
Polyphosphate spheres are controlled-release media. Verify the formulation and release behavior for the specific product.
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Scale and Corrosion Control
Diethylenetriamine penta(methylene phosphonic acid)
DTPMP is a polyphosphonate. Its acid and sodium salts introduce different ions into a formulation.
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Scale and Corrosion Control
2-Phosphonobutane-1,2,4-tricarboxylic acid
PBTC, also called PBTCA, is used in water-system scale-control and dispersion evaluations.
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Scale-Control and Dispersant Polymers
Polyacrylic acid
For polyacrylic acid, compare molecular weight, neutralization and solids content for the intended dispersion duty.
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Scale-Control and Dispersant Polymers
Hydrolyzed polymaleic anhydride
Hydrolyzed polymaleic anhydride is used in scale-control formulations. Confirm active content and compatibility with process water.
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Synthetic Resins
Petroleum resin
Match C5, C9, copolymer or hydrogenated petroleum resin grades to the adhesive base.
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Synthetic Resins
Polyvinyl Chloride (PVC) Resin
For PVC resin, match the viscosity or K-value range and particle behavior to the processing method.
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Cellulose Derivatives
Hydroxyethyl Cellulose (HEC)
Hydroxyethyl cellulose adjusts viscosity in aqueous formulations. Check dispersion, hydration time and viscosity under defined conditions.
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Cellulose Derivatives
Hydroxypropyl Methylcellulose (HPMC)
HPMC provides water retention and rheology control in mortars and aqueous systems.
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Synthetic Polymers
Polyvinyl alcohol
The degree of hydrolysis and polymerization of PVA together affect dissolution and film formation.
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Construction Polymers
VAE redispersible polymer powder
VAE redispersible polymer powder redistributes in water and forms a film in dry-mix construction formulations.
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Synthetic Resins
Polyvinyl butyral
For PVB in inks, coatings and adhesives, distinguish resin powder from finished film.
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Waterborne Resins and Dispersions
Polyurethane dispersion
Choose a polyurethane dispersion by its soft and hard segments, ionic character and curing system.
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Silica and Functional Fillers
Silica Grades and Production Routes
Synthetic amorphous silica can be made by wet or thermal processes. The route influences pore structure, aggregation and the form supplied.
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Silica and Functional Fillers
Fumed Silica
Fumed silica can control rheology, reinforce compounds and limit settling. Distinguish hydrophilic from surface-treated grades.
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Vat Dyes
Indigo Blue
Indigo for vat dyeing may be supplied as powder, granules or a pre-reduced liquid. Each form requires its own comparison method.
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