Defoamers
Polyether Defoamer
Excellent compatibility · no cratering · clean surface
Defoamers
Silicone Defoamer
- Silicone
- Strong defoaming
- 1,000 kg IBC tote
- Volume discount
A silicone-based defoamer with strong foam-breaking and foam-suppressing power that quickly removes entrained mixing air for denser concrete and better surface appearance.
Strong defoaming · denser concrete · better finish
- Form
- Liquid
- Recommended dosage
- 0.01%–0.10% of cementitious material
Overview
A silicone defoamer that breaks foam by lowering surface tension, with durable foam suppression to reduce air-induced strength loss.
Key benefits
- Fast defoaming with lasting suppression
- Improves density and strength
- Reduces surface pinholes for better finish
Specifications
Specifications
| Appearance | Milky white to pale yellow liquid |
| Solid content | 20%–30% |
| pH | 6.0–8.0 |
| Defoam time | ≤ 30s |
| Foam-suppress time | ≥ 15min |
Standards
Documents & data sheets
TDS, COA and MSDS are issued with every batch. Click a document and tell us the grade — we reply within 24 hours.
Application scenarios
- Admixture compounding
- Precast
- Self-compacting concrete
- Fair-faced concrete
Product Q&A
Does it affect air-entraining agents?
Silicone defoamers suppress air, so keep separate from AEA or control dosage to avoid offsetting air entrainment.
Recommended dosage?
0.01%–0.10% of cementitious material; confirm by field trial.
Related products
Defoamers
Polyether-Modified Silicone Defoamer
Balanced defoaming and compatibility · fits complex systems
Retarders
Lignosulfonate Retarder
Cost-effective · mild water-reducing · general compounding