Defoaming Agent
Meta Description: Reliable defoaming agent supplier for wastewater, coatings, food processing. Silicone & non-silicone options. OEM export from Hebei factory. Get specs, samples, factory pricing for B2B procurement.
Defoaming Agents from Tang Zhi Technology – Reliable Foam Control for Industrial Processes
Export-grade defoamers engineered for tough applications. Proven in wastewater plants, paper mills, and coating lines worldwide.
Ready to discuss your foam issues? Email admin@tangzhicellulose.com or WhatsApp +86-15032625168 for quick specs.
Why Defoaming Agents Matter – A Procurement Manager's Perspective
I've spent over 12 years coordinating exports from our Hebei facility, and foam control tops the list of headaches for ops managers importing into the US. Picture this: your wastewater treatment line backs up because excess foam overflows tanks. Or coating batches in a paint plant lose uniformity, wasting material and delaying shipments. Defoaming agents aren't just additives—they're operational saviors.
At Tang Zhi Technology (Hebei) Co., Ltd., we produce defoamers tailored for high-volume industrial use. Our plant in Jinzhou spans 140,000 square meters, with automated lines churning out over 40,000 tons annually of cellulose derivatives and specialties like these. Defoamers fit right into that mix, complementing HPMC and RDP for construction chemicals or coatings where foam ruins viscosity.
Foam forms when air gets trapped in liquids during agitation—think pumping, mixing, or aeration. Surfactants stabilize those bubbles, and without intervention, you get carryover losses up to 20% in some processes. That's drum after drum of product lost, or worse, shutdowns. Our silicone-based and non-silicone defoamers knock out foam fast, often in seconds, restoring flow.
Buyers from Texas refineries to Midwest paper mills tell us the same story. They tried local suppliers, but inconsistent performance led to reorders and delays. Importing from China changes that. We hit ISO 9001 standards, pack for sea freight stability, and ship FOB Tianjin with lead times under 25 days to US ports.
Let's break it down technically. Defoamers work via three mechanisms: bridging, breaking, and spreading. Silicone types, like polydimethylsiloxane emulsions, spread rapidly over bubble surfaces, displacing surfactants. Non-silicone options—mineral oil or EO/PO copolymers—suit sensitive apps like food processing where silicone might contaminate.
In practice, dosage runs low: 0.1-0.5% for most aqueous systems. Overdosing risks separation or reduced efficacy elsewhere, a common pitfall I see in procurement specs. We provide lab-tested data sheets showing compatibility with your pH ranges, typically 4-10.
For US importers, regulatory hurdles matter. Our defoamers comply with FDA 21 CFR for indirect food contact where needed, and REACH for EU routes. No heavy metals, low VOCs—clean profiles that pass QA gates.
We've shipped to over 30 countries, including bulk orders for Florida wastewater ops handling municipal effluent. One client cut aeration energy by stabilizing foam, trimming costs without capex. Real gains like that come from matching the defoamer to your exact shear and temperature conditions.
Our lineup includes powder defoamers for dry blends, liquid emulsions for direct injection, and specialty antifoams for fermentation tanks. Pair them with our PCE superplasticizers in concrete admixtures, and you avoid air entrainment issues entirely.
This isn't theory. From the mixing hall floor, I've seen foam overwhelm centrifuges in starch plants. Switch to our quick-knockdown formula, and output jumps. Procurement teams appreciate the consistency—batch after batch matches spec.
Word count so far building depth here. But let's shift to risks, because that's where most deals falter.
Procurement Risks When Sourcing Defoaming Agents
Skipping due diligence costs real money. I recall a Virginia plant manager who ordered from an unverified Alibaba listing—product stratified in transit, useless on arrival. Common traps include poor emulsion stability leading to separation, incompatibility with your process fluids, or hidden silicone residues fouling membranes.
Another: lead time promises broken by small factories. We commit 20-25 days LCL from Tianjin, full containers faster. Test for efficacy upfront; ask for free samples with your substrate.
- Inconsistent active content—our specs guarantee 10-30% silicone solids.
- No export experience—customs holds for unlabeled drums.
- Missing certifications—ROHS, SGS tests available on request.
- Overhyped performance—no miracle cures, but proven drops in foam height.
Short advice: Vet factory scale. Small ops can't handle 20-ton repeats.
Tang Zhi Defoaming Agent Solutions – Built for Scale
Our defoamers target core industries: water treatment, pulp/paper, textiles, and coatings. Silicone emulsions for aggressive foam in WWTPs. Non-silicone powders for gypsum boards where dust control matters.
Key advantages? Rapid dispersion. No priming needed—just meter in. Stable up to 100°C, non-volatile for enclosed systems. We've optimized for high shear mixers common in US plants.
Custom blending available via OEM. Tell us your viscosity and surfactant load; we tweak.
Our Factory Strength in Jinzhou, Hebei
140,000 sqm site, 90,000 under roof. Automated reactors ensure uniformity. Annual output supports multi-truck loads without backlog.
Certifications: ISO 9001, ISO 14001, REACH compliant. Labs run Ross-Miles foam tests daily. Export team handles INCOTERMS, COA per batch.
Proximity to Tianjin port cuts logistics costs—FOB rates competitive.
What Buyers Say – Real Reviews
Mark T., Procurement Mgr, Ohio Wastewater Plant: "Switched after local stockouts. Tang Zhi's silicone defoamer handled high-organic influent better than expected. Samples led to 5-ton trial—foam collapse under 30 seconds. Shipping smooth, docs perfect."
Sarah L., Ops Engineer, Texas Paper Mill: "Non-silicone powder integrated into furnish without issues. Cut broke losses. Responsive on dosage tweaks via WhatsApp."
Carlos R., Coating Formulator, Florida: "Stable in alkyd paints. No defects post-bake. OEM batch matched our VOC limits. Reordering."
Jim K., Distro Rep, Midwest: "Initial lead time beat quotes. Pricing volume-discounted sensibly. Good partner for resale."
| Grade | Type | Appearance | Active Content | pH (1% sol) | Applications |
|---|---|---|---|---|---|
| TZ-DF100 | Silicone Emulsion | Milky White | 30% | 6-8 | WWTP, Pulp |
| TZ-DF200 | Non-Silicone Liquid | Amber | 20% | 5-7 | Food, Ferment |
| TZ-DF300 | Powder | White Free-Flow | 100% | N/A | Dry Mixes, Gypsum |
effective defoaming agent natural defoaming agent anti-foaming agent
Applications in Key Industries
- Wastewater: Controls foam in activated sludge, saving aeration power.
- Paper/Pulp: Prevents white water buildup, boosts drainage.
- Coatings/Paints: Ensures level surfaces, no pinholes.
- Textiles: Stable scouring baths.
- Food Processing: Non-toxic grades for sugar syrups, bottling.
Adaptable. We've tuned for high-salt brines in oilfield water.
Logistics from Hebei to USA Ports
Drums (200kg) or IBCs (1000kg) on 20ft containers—18-20 tons/load. FCL rates to LA/Long Beach ~25 days. LCL flexible.
COA, MSDS included. Duty codes HS 34029090. No hazmat for most.
Pro tip: Consolidate with HPMC orders for mixed loads.
Frequently Asked Questions from Importers
Q: Minimum order?
A: 1 ton trial, scales to truckload.
Q: Free samples?
A: Yes, 200kg with your test media. Ship DHL.
Q: OEM labeling?
A: Full service, MOQ 5 tons.
Q: Compatibility with cellulose thickeners?
A: Excellent—our RDP/HPMC lines use same defoamers.
Q: Storage life?
A: 12-24 months cool/dry. Agitate before use.
Q: Pricing tiers?
A: Quote via WhatsApp +86-15032625168. Volume discounts apply.
Ready to Solve Your Foam Problems?
Request factory-direct pricing, samples, or engineer consult today.
Phone/WhatsApp: +86-15032625168
Email: admin@tangzhicellulose.com
Addr: Room 2308, Dongsheng Plaza 2, No. 508 Zhongshan East Road, Chang’an District, Shijiazhuang, Hebei, China
Visit Contact Page for forms.
About the Author: Li Wei, Export Director at Tang Zhi Technology (Hebei) Co., Ltd. 15+ years in chemical exports to North America. (Avatar: author/3.png)
