Foam Control Agent
Meta Title: Foam Control Agents | Industrial Defoamers Wholesale Manufacturer - Tang Zhi Technology
Meta Description: Reliable foam control agents and defoamers for industrial applications. OEM/ODM from Hebei factory. Food-grade, wastewater, coatings. Fast export to USA. Request specs & samples today.
Industrial Foam Control Agents: Defoamers That Keep Your Processes Running Smooth
We've seen it too many times—excess foam shutting down production lines, wasting materials, and delaying shipments. At Tang Zhi Technology (Hebei) Co., Ltd., our defoamers tackle foam head-on across wastewater treatment, pulp & paper, paints, food processing, and more.
Contact our export team for bulk pricing: +86-15032625168 or admin@tangzhicellulose.com
Table of Contents
Why Foam Control Goes Wrong in Procurement
Procurement managers know the drill. You order a defoamer expecting quick foam knockdown, but it separates in storage or loses potency in high-heat processes. Suddenly, your wastewater tanks overflow, or paint batches turn frothy. We've consulted on sites where mismatched agents cost hours of downtime.
Common pitfalls? Off-spec generics that leave residues in food-grade lines. Or import delays from unreliable suppliers. In pulp & paper, ineffective control means paper breaks and rejects pile up. Operations managers tell us they chase samples endlessly, only to find the product underperforms at scale.
One importer shared how a cheap Asian defoamer foamed up again after 24 hours, forcing a full batch discard. Risk adds up fast—lost product, labor, compliance fines.
Request Free Defoamer SamplesTang Zhi Foam Control Agents: Engineered for Reliability
Our defoamers aren't one-trick ponies. Drawing from years blending cellulose tech with surfactant chemistry, we produce oil-based, silicone-based, and non-silicone types tailored to your process. Take our powder defoamer for fermentation—knocks down foam without impacting yield.
In coatings, our water-dispersible agents prevent defects from air entrapment during mixing. We've refined formulations for high-alkali environments, common in concrete admixtures alongside our HPMC and PCE lines.
Operationally, they deploy fast. Add at tank inlet, and foam collapses in seconds. No re-foaming after agitation. For wastewater pros, our mineral oil variants handle BOD loads without oil sheen violations.
What sets us apart? In-house R&D tests against standards like ASTM D4403 for defoamer efficiency. We avoid over-promising; some apps need 50-200 ppm dosing, depending on foam source.
Core Formulations
- Silicone Defoamers: Top knockdown speed for paints & inks. Low dosage, high persistence.
- Non-Silicone (Ester/Oil): Food-contact safe, ideal for bev & pharma ferments.
- Powder Blends: Dry handling for powders like our RDP-VAE, prevents dust foam.
- Water-Based: Eco-friendly for textiles and paper sizing.
Procurement note: Bulk orders mix types for trial packs. We've shipped 20MT containers to US ports without claims.
Real-World Applications Across Industries
Pulp & paper mills swear by our agents during broke pulping—foam stays controlled even at 10% consistency. In food processing, non-toxic grades handle aeration tanks without flavor taint.
| Industry | Foam Challenge | Tang Zhi Solution |
|---|---|---|
| Wastewater Treatment | Aeration overflow | Silicone-free, 100ppm dose |
| Paints & Coatings | Mixing entrainments | PDMS emulsions, no craters |
| Food Fermentation | CO2 foaming | Food-grade esters |
| Paper Manufacturing | Washing stages | Powder for broke systems |
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Textile dyers use them in jet dyeing to cut foam without dye spots. Contractors mixing our cellulose-thickened mortars add defoamer to avoid air voids in application.
Technical Specifications at a Glance
Exact specs vary by grade, but here's a snapshot for our flagship silicone defoamer. Request full TDS via WhatsApp.
| Parameter | Value | Test Method |
|---|---|---|
| Appearance | Milky white emulsion | Visual |
| Active Content | 30-35% | Gravimetric |
| pH (1% sol) | 6-8 | ASTM E70 |
| Viscosity | <1500 cPs | Brookfield LV |
| Knockdown Time | <10 sec | Ross-Miles |
Non-silicone grades hit similar marks, with FDA 21 CFR 176.170 compliance for indirect food contact. Shelf life? 12-18 months unopened.
Engineer Insight: Match viscosity to your shear rates. High-speed mixers need lower visc agents.
Our Manufacturing Edge in Hebei
140,000 sqm site in Jinzhou, with 90,000 sqm built-up. Automated lines churn 40,000+ tons/year across cellulose, RDP, PCE, and defoamers. Dedicated blending tanks ensure batch consistency—no cross-contam.
QA? ISO 9001:2015 certified. We run in-line viscosity checks and foam persistence tests. Export team handles REACH, TSCA pre-reg for US shipments.
OEM/ODM welcome. Private label our defoamers with your specs—min 1MT. Lead time: 7-14 days stock, 21-30 days custom.
Call for OEM QuoteGlobal Shipping: USA-Focused Reliability
Container loads to LA/Long Beach: 20-25 days. FCL 20ft holds 16-20MT defoamer drums/IBCs. We palletize for forklift unload, include MSDS/DG declarations.
Common hiccups avoided: Proper UN packaging for emulsions. Duty? HS 34029090—check your tariff. Samples airfreight DHL, 3-5 days.
- Incoterms: FOB/CIF Tianjin
- Payment: T/T 30/70 or L/C
- Mini Order: 1MT
- Packing: 200kg drums, 1000L IBCs
- Stability: -5°C to 40°C storage
US buyers note: Silicone grades TSCA-listed. We prep COAs for customs.
What Procurement Teams Say
Mark T., Wastewater Ops Manager, Texas: "Switched to Tang Zhi non-silicone after generics failed compliance. Foam stays down at 80ppm, no sheens. Reorder steady."
Sarah L., Coatings Buyer, Florida: "Emulsion defoamer integrated seamlessly with our HPMC thickeners. Cut air bubbles by noticeable margin, better film quality."
Raj P., Paper Mill Procurement, California: "Powder form easy to store. Handled broke foam without sheet defects. Logistics smooth to Oakland."
These aren't cherry-picked. Average repeat rate over 85% from US clients.
Buyer FAQs: Foam Control Procurement
How do I select the right defoamer type?
Test foam sample from your process. We guide via video call.
Food-grade available?
Yes, meets FCC/GRAS indirectly. Kosher/Halal on request.
MOQ for trial?
500kg mixed pack. Scale to FCL.
Custom blending?
ODM for specific pH/temp. 4-week turnaround.
Shelf life in humid USA summers?
12 months if stored cool/dry. Agitate before use.
Ready to Control Foam Risks?
Get factory-direct pricing, samples, and tech support. Trusted by US ops for consistent performance.
Tang Zhi Technology (Hebei) Co., Ltd. | Room 2308, Dongsheng Plaza 2, No. 508 Zhongshan East Road, Chang’an District, Shijiazhuang, Hebei, China
About the Author
Li Wei, Export Director at Tang Zhi Technology.
15+ years in industrial chemicals export, specializing in defoamers and cellulose for US/EU markets. Former procurement advisor for coatings firms.
