High-quality polyether F-6 (castor oil polyoxyethylene ether, CAS: 61791-12-6) is a nonionic low-foam surfactant with an HLB value of 12~14, content ≥99%, easily soluble in water, ethanol, aromatics, and other organic solvents. The key to its usage lies in pre-dilution or direct addition based on the specific application scenario, and determining the optimal addition ratio through small-scale tests . Due to differences in process conditions, water hardness, temperature, and foam systems across industries, the dosage varies significantly; a one-size-fits-all fixed dosage is not advisable.
Before use, it is recommended to dilute the product with 5~10 times deionized water or process water into a working solution for more uniform dispersion in the system. For defoamer compounding, polyether F-6 is typically used as a core defoaming component in combination with other additives (such as dispersants and thickeners). For cleaning agents and metalworking fluids, it can be directly added as a low-foam wetting and penetrating component. During operation, ensure the system is stirred evenly, and control the processing temperature within a reasonable range to avoid prolonged high-temperature heating.
| Parameter Item | Specification Index |
|---|---|
| Product Type | Nonionic Surfactant |
| Appearance | Colorless to light yellow transparent liquid |
| Active Content | ≥99% |
| HLB Value | 12~14 |
| pH Value (1% aqueous solution) | 5.0~7.0 |
| Hydroxyl Value | 54~58 mgKOH/g |
| Moisture Content | ≤0.1% |
| Density | 1.00~1.10 g/cm³ |
| Viscosity (25℃) | 200~400 mPa·s |
| Flash Point (Closed Cup) | >230℃ |
| Foam Characteristics | Low foam |
| Solubility | Soluble in water, ethanol, aromatics, and various organic solvents |
| Alkali Resistance | Good |
1. Defoamer Compounding (Core Application): As a core raw material for high-efficiency defoamers, suitable for fermentation processes, papermaking, textile printing and dyeing, waterborne coatings, and industrial wastewater treatment. It is recommended to dilute with solvent or water first, then compound with other defoaming aids to prepare a defoamer product. The dosage in the defoamer working solution is typically 0.01%~0.5% of the total system, depending on the severity of foam, determined through stepwise tests.
2. Industrial Low-Foam Cleaning Agents: Used for formulating low-foam cleaning agents for spray cleaning, high-pressure cleaning, etc. It is recommended to add 1%~10% in the formulation, combined with other surfactants and additives, to provide good wetting, penetration, and detergency while effectively suppressing foam generation.
3. Metalworking Fluid Components: As a lubrication and cooling component in cutting fluid and grinding fluid formulations, the recommended addition amount is 2%~8% of the total formulation, adjustable according to the processing process and lubrication requirements.
4. Textile Pretreatment Auxiliaries: Used as a penetrant and deoiling agent in desizing, scouring, and bleaching processes, with a working solution concentration typically 0.5~3g/L, depending on fabric type and process conditions.
5. Water Treatment Chemicals: As a dispersant or scale inhibitor component, the recommended dosage is determined through experiments based on water quality analysis and system operating parameters.
The above dosage ranges are general industry reference values. The optimal dosage must be determined through laboratory small-scale tests and on-site pilot verification . Guoli Chemical can provide technical support and sample testing services.