Why It Matters
Design prevents/removes scale in dishwasher boilers and spray arms with phosphonate (HEDP) and chelant programs
Solution Approach
Design prevents/removes scale in dishwasher boilers and spray arms with phosphonate (HEDP) and chelant programs RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.
Typical Formulation Workflow
1
Application & Soil Assessment
Define the cleaning task, surfaces, soils, and water hardness, plus the safety and regulatory profile for the use environment.
2
Surfactant & Builder Selection
Match surfactants, builders, solvents, chelants, acids or alkalis, and preservatives to the soil, surface compatibility, and label claims.
3
Formulation & Use-Dilution Trial
Optimize the actives ratio and use dilution, checking foam, clarity, stability, and performance at the in-use concentration.
4
Performance & Stability Validation
Confirm cleaning efficacy, storage and freeze-thaw stability, and packaging compatibility before scale-up.
Recommended Chemistries (4)
Hydroxyethylidene Diphosphonic Acid
CAS 2809-21-4
Phosphate Esters & Derivatives
Phosphonate with combined chelation and scale inhibition
Phosphonate that adsorbs onto growing crystal faces (threshold inhibition) so carbonate scale cannot nucleate on heat-exchange surfaces; the design's named active
Melting Point: 198-199 Boiling Point: 578.8 Solubility: 1.15e+01 g/L
Full Details
ATMP.Na5 — Pentasodium Amino Trimethylene Phosphonate
CAS 2235-43-0
Phosphate Esters & Derivatives
Chelation / Sequestration
Aminophosphonate scale inhibitor stable to the high temperatures inside machine boilers
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Sodium Gluconate (Food Grade)
CAS 527-07-1
Esters
Alkaline-stable chelant essential for CIP at pH > 10
Alkaline-stable chelant (works at pH>10) that holds hardness in solution during the hot wash phase
Melting Point: 170-175 °C Boiling Point: No boiling point at normal pressure; decomposes… Density: 1.8 g/cm3
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Sodium Hexametaphosphate (SHMP)
CAS 10124-56-8
Specialty Additives
Chelation / Sequestration
Sequesters Ca/Mg and threshold-inhibits scale on spray-arm jets
Physical Description: Polymeric sodium metaphosphates: Clear hygrosco… Solubility: CLEAR, HYGROSCOPIC GLASS; MP 628 °C; SOL IN WAT… Decomposition: When heated to decomposition it emits toxic fum…
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