Why It Matters
Design knocks down foam in machine dish/CIP with silicone (PDMS) defoamers plus non-silicone alternatives
Solution Approach
Design knocks down foam in machine dish/CIP with silicone (PDMS) defoamers plus non-silicone alternatives 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 Treatment Workflow
1
System Assessment
Characterize operating conditions—fluid composition, temperature, pressure, flow rates—and benchmark current treatment performance.
2
Chemistry Selection
Match base chemicals to your operating envelope. Factor in compatibility with existing programs, regulatory constraints, and downstream impacts.
3
Dosage & Delivery
Determine optimal treat rates through jar testing or field trials. Configure packaging (drums, totes, ISO tanks) to match consumption and storage logistics.
4
Monitoring & Adjustment
Track KPIs—coupon rates, residuals, separator performance, water quality. Adjust chemistry and dosage as conditions change.
Recommended Chemistries (2)
Dimethicone
CAS 9006-65-9
Silicone Fluids & Oils
Fastest foam knockdown at 50-200 ppm for machine dish and CIP
Polydimethylsiloxane is the active in silicone antifoams; spread (in practice compounded with hydrophobic silica) it enters foam lamellae and ruptures them for rapid knockdown at low ppm in machine-dish/CIP liquors
Full Details
PPG 14 Butyl Ether
CAS 9043-30-5
Glycols & Polyols
Moisture Control
Polypropylene-glycol butyl ether, a non-silicone polyglycol defoamer for silicone-free specs and surfaces where PDMS carryover onto ware is a concern
Melting Point: 33-36 °C Boiling Point: 615.857 °C at 760 mmHg Solubility: miscible
Full Details
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