Anhydrous Citric Acid
CAS No.: 77-92-9
Molecular Formula: C6H8O7
Molecular weight: 192.12




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Product Description
FA-367 is an amphoteric polymer strong coating agent used for oilfield drilling fluid treatment. Its main functions include inhibiting drill cuttings dispersion, maintaining wellbore stability, reducing fluid loss, and having good salt and high temperature resistance.
Physical and Chemical Properties
| Appearance | White to pale yellow free-flowing powder |
| Moisture Content | ≤9.0% |
| 0.9mm Sieve Residue | ≤15.0% |
| pH Value (1% aqueous solution) | 7.5~9.0 |
| Apparent Viscosity | ≥30.0 mPa·s (1% solution) |
| Solubility | Easily soluble in water |
| Heat Resistance | Stable up to 160~180℃ |
| Hygroscopicity | Slightly hygroscopic |
Core Performance and Chemical Characteristics
| Strong Coating Property | Firmly adsorbs on clay surface to form dense protective film |
| Shale Inhibition | Effectively inhibit shale hydration, expansion and dispersion |
| Viscosity Increasing | Improve mud shear force and rock-carrying capacity |
| Salt & Calcium Resistance | Suitable for saturated salt water and high calcium-magnesium mud system |
| Fluid Loss Control | Optimize mud cake and reduce filtration loss |
| Compatibility | Good compatibility with common drilling fluid additives |
| Recommended Dosage | 0.2%~0.4% for fresh water mud; 0.3%~0.6% for salt water mud |
Safety Information
| Toxicity | Non-toxic and non-corrosive |
| Health Hazard | Dust causes slight irritation to respiratory tract and eyes |
| Exposure Routes | Inhalation, skin contact, eye contact |
| Protective Measures | Wear dust mask, safety goggles and rubber gloves |
| Storage Condition | Seal and store in cool, dry and ventilated place, away from heat and sunlight |
| Transportation | Ordinary industrial chemicals, avoid rain and insolation |
| First Aid | Skin contact: Rinse with clean waterEye contact: Flush with plenty of water and seek medical treatmentInhalation: Move to fresh air |
| Waste Disposal | Dispose in accordance with local environmental protection regulations |
Factory Showcase
Shipping and Transportation
Delivery Time
Inventory 2-3 working days New manufacturing 7-10 working days
Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!
FAQ
Q1: What international standards do your products and services comply with?
A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.
Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.
Q3: Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.
Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).
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Molecular Formula: C6H8O7
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