DOWSIL ACP-3472 is a 100% active silicone defoamer engineered for harsh industrial environments, formulated with silica-filled polydimethylsiloxane and silicone copolymer. It has a dynamic viscosity of 20,000–30,000 cP and a flash point >100°C, maintaining stable activity within pH 6–8. This defoamer enhances kraft/sulfite pulping efficiency (20%+ energy reduction) and complies with FDA 21 CFR 176.170/180/210, making it suitable for eco-sensitive applications like food-grade pulp. When blended, it reduces mineral oil defoamer usage by 30%.
Ultra-Economical Dosage: Delivers equivalent effects at 1/20–1/40 the usage of traditional mineral oil defoamers, cutting costs by 40%.
Harsh Condition Tolerance: Resists high temperatures (>100°C) and shear, ideal for 80–100°C kraft pulping.
Rapid Emulsification: Pre-emulsified liquid form allows direct dosing, forming a stable emulsion within 5 minutes.
Eco-Compliance: APEO-free, VOC<50g/L; certified under EU REACH and China GB 24408.
Chemical Pulping: Suppresses black liquor foam, minimizing fiber loss (0.05%–0.2% dosage).
Paper Bleaching: Controls foam in H₂O₂ bleaching for uniform whiteness.
Food Processing Wastewater: Manages foam in fermenters/wash lines, meeting indirect food contact standards.
Industrial Wastewater: Reduces foam in high-COD aeration tanks, lowering sludge carryover.
Type | Silicone defoamer |
Appearance | Milky liquid |
Active Content | Polydimethylsiloxane (100%) |
Dynamic Viscosity | 20,000-30,000 cP |
Flash Point (closed cup) | >100°C |
pH Range | 6-8 |
Recommended Dosage | 0.05%-0.3% (on total system) |
Packaging | 25kg/drum or 200kg/IBC |
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E-mail: wangxingqiang@ericwchem.com
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