Question

What should I do if problems occur during the use of Span S-80? How to get technical support?

Answer
2026-06-06 官方文档 司盘S-80

Don't panic when encountering problems with Span S-80. First, check the key process parameters according to the problem type, and then contact the Guoli Chemical technical team for in-depth support.

Common Usage Problems and Troubleshooting Methods

Span S-80 (CAS: 1338-43-8) is a lipophilic non-ionic surfactant with an HLB value of about 4.3. Common problems during use are usually related to emulsion system design, operating temperature, addition amount, and phase ratio. The following are common abnormalities and troubleshooting directions:

1. Unstable emulsion, layering or demulsification: First check whether the ratio of oil phase to water phase is reasonable. As a W/O emulsifier, Span S-80 usually requires the oil phase to be the continuous phase (recommended oil phase ratio >50%). Secondly, confirm whether the addition amount is sufficient, generally recommended dosage is 1%~5% of the total formula. In addition, Span S-80 is often used in combination with low-HLB emulsifiers (such as Tween series); using it alone may have limited emulsification effect.

2. Difficulty in dissolving or uneven dispersion of the product: Span S-80 is difficult to dissolve in water and should be pre-dissolved and dispersed in the oil phase. It is recommended to add Span S-80 to the oil phase, heat to 40~50°C with stirring to dissolve, and then mix with the water phase for homogenization. If the operating temperature is too low, the product viscosity is high (kinematic viscosity at 25°C is about 1000~2000 mm²/s), making uniform dispersion difficult.

3. Abnormal product appearance (color, odor, layering): The normal state of Span S-80 is an amber to brown viscous liquid. If there is severe color darkening, off-odor, or obvious layering, it may be related to improper storage - recommended storage temperature below 40°C, container tightly sealed, away from strong oxidizers. Do not continue to use deteriorated products; contact the supplier for confirmation.

4. Skin or eye irritation: This product is a skin/eye irritant (H315/H319). Failure to wear protective gloves and goggles during operation may cause discomfort. Emergency measures: In case of skin contact, wash immediately with soap and water; in case of eye contact, rinse with water for several minutes and seek medical attention.

How to Get Official Technical Support from Guoli Chemical

If the problem is still not resolved after completing the above troubleshooting, it is recommended to obtain professional technical assistance through the following channels:

  • Consult product documentation: On the product detail page of the Guoli Chemical official website, you can obtain the complete Technical Data Sheet (TDS) and Safety Data Sheet (SDS), which contain detailed information on technical parameters, compatibility guidelines, and safe operation requirements.
  • Contact the sales manager: Seek technical consultation through the sales representative or distributor you worked with; the sales manager can usually coordinate a technical engineer to answer your questions directly.
  • Send an email or call for consultation: Contact the customer service center of Hai'an County Guoli Chemical Co., Ltd. directly, providing the product batch number, a specific description of the problem (photos or samples are recommended), and the company's technical department will provide targeted solutions.

Tips

Since the direct customer service phone number and email address of Guoli Chemical are not yet included in the product database, it is recommended that you obtain the latest technical support channels through the "Contact Us" section of the company's official website or the contact information on the product packaging. When communicating, preparing the following information in advance can speed up problem resolution: product name and batch number, usage formula and application conditions, and a detailed description of the abnormal phenomenon (can be accompanied by photos or sample comparisons).