Detergent AR-815 is an anionic/nonionic surfactant compounded from sodium alkylbenzene sulfonate and fatty alcohol polyoxyethylene ether, widely used in textile printing and dyeing pretreatment, metal degreasing, and leather processing. In actual use, if issues such as decreased cleaning effect, working fluid stratification, abnormal foam, or poor fabric hand feel occur, first conduct a self-check from four aspects: process conditions, water quality, dosage ratio, and storage status.
Guoli Chemical provides a comprehensive after-sales technical support system for every customer. You can contact the technical department via the contact information on the product packaging, or submit your problem through the official website's online customer service. Before contacting technical support, it is recommended to prepare the following information: product batch number, application process (temperature, pH value, dosage, liquor ratio), water quality (hardness, pH), detailed description and photos of the abnormal phenomenon. This will help technicians quickly locate the root cause of the problem.
If an emergency safety incident occurs (such as large-scale leakage, eye contact, etc.), immediately follow the emergency treatment measures in the product SDS for initial disposal, and simultaneously contact the local emergency department and Guoli Chemical's emergency response hotline.
| Abnormal Phenomenon | Possible Cause | Troubleshooting and Solution Suggestions |
|---|---|---|
| Insufficient cleaning power, poor degreasing effect | ① Low dosage; ② Working fluid temperature too low; ③ Improper liquor ratio; ④ Working fluid used for too long and has lost effectiveness | Check recommended dosage (generally 0.5-3g/L), appropriately increase temperature to 60-90°C, replace with fresh working fluid |
| Working fluid stratification or turbidity/precipitation | ① Mixed with strong acids or strong oxidizers; ② Water hardness too high without softening treatment; ③ Storage temperature too low causing part of the ingredients to precipitate | AR-815 has excellent hard water resistance, but for extreme hard water conditions, it is recommended to use with a water softener; avoid mixing with incompatible chemicals; restore to 5-30°C and stir evenly before observation |
| Excessive foam affecting rinsing | ① High dosage; ② Improper liquor ratio leading to increased mechanical foam | AR-815 is a low-foam formulation; if abnormal foam occurs, reduce dosage or add a small amount of defoamer; check if contaminated by other high-foam additives |
| Fabric hand feel rough or poor softness | ① Insufficient rinsing, product residue; ② Calcium and magnesium ions in water complexing with additives and residual | Increase the number of warm water rinses to ensure thorough cleaning; if necessary, add an appropriate amount of water softener in the final rinse |
| Obvious change in product color or viscosity | ① Storage temperature exceeds limits (too high or too low); ② Storage time too long; 3 Poor container sealing leading to moisture absorption or contamination | Check if storage conditions meet the requirement of 5-30°C in a cool, dry place; sample and test performance; if performance declines, replace with a new batch |
Textile printing and dyeing pretreatment: For desizing/scouring processes, recommended dosage is 0.5-2g/L, temperature 80-95°C; pH can adapt to alkaline conditions (generally stable within NaOH 2-10g/L); for soaping processes, recommended dosage is 0.3-1g/L, temperature 60-80°C.
Metal degreasing cleaning: Recommended dosage is 1-3% (by weight), better results when combined with ultrasonic or spray cleaning, temperature 40-70°C, low foam characteristics can reduce rinsing times.
Leather degreasing: Recommended dosage is 0.5-2g/L, temperature 35-45°C, treatment time 30-60 minutes, can be adjusted according to leather type and oil content.