Question

How to use the rapid penetrant, Quick-T-50H? What is the recommended dosage?

Answer
2026-06-06 官方文档 快速渗透剂,快T-50H

Quick-T-50H is an easy water-soluble anionic surfactant. It is recommended to dissolve it with a small amount of water under stirring or directly add it into the working solution for dilution. The typical dosage is 0.1%–2.0% of the total working solution weight (specific dosage depends on the industry and process).

Detailed Description

The rapid penetrant Quick-T-50H from Guoli Chemical (dioctyl sodium sulfosuccinate, CAS No.: 577-11-7) has an active content of 48~52%. It appears as a colorless to light yellow viscous liquid, easily soluble in water, with extremely strong penetrating power (standard canvas sedimentation method <5 seconds). Its core mechanism is the very low surface tension that endows the working solution with excellent wetting and penetrating capabilities, allowing the liquid to quickly enter fibers, porous substrates, and tiny gaps. The database shows its HLB value is 10.5, and the pH range of a 1% aqueous solution is 5.0~7.0, making it a mild, neutral to slightly acidic system.

This product is not resistant to strong acids or strong alkalis. It will hydrolyze and lose effectiveness under strong acidic or alkaline conditions, so it is best used in neutral and mild acid-base environments. Meanwhile, Quick-T-50H is a low-foaming anionic surfactant, which does not easily generate a large amount of foam during stirring or circulation processes, making it particularly suitable for industrial applications requiring low foam or foam control.

Recommended Dosage (Industry Experience Reference)

The database does not contain specific formula dosage parameters for various industries. The following are reference dosage ranges provided based on product performance characteristics and industry application experience. Users should verify the optimal dosage through small-scale trials according to actual process conditions:

Application FieldRecommended Dosage (by weight of working solution)Usage Method
Textile printing & dyeing pretreatment/dyeing0.1%–1.0%Add directly into the dye bath or treatment solution and stir evenly
Pesticide formulation enhancement0.05%–0.5%Dilute and mix with pesticide, prepare and use immediately
Leather soaking/degreasing0.2%–1.5%Add into the drum or soaking tank and circulate evenly
Industrial cleaning agent formulation0.5%–3.0% (proportion in concentrate formula)Used as one of the components in cleaning agent compounding
Household cleaning agent0.1%–1.0% (proportion in concentrate formula)Compound with other surfactants and then dilute for use

Note: The above dosages are typical empirical values in the industry. The specific dosage is affected by factors such as the target material (fiber type, degree of soiling), water hardness, process temperature, and equipment conditions. It is recommended to determine the optimal dosage through small-scale trials first. Excessive addition may cause increased foaming or difficulty in rinsing.

Usage Steps

1. Preparation Stage: Quick-T-50H is a viscous liquid (viscosity 50–200 mPa·s at 25°C). Wear chemical protective gloves, protective goggles or face shield before operation, and ensure good ventilation at the work site.

2. Dilution Method: This product is easily soluble in water. It can be directly added slowly into the working solution under stirring, avoiding one-time dosing that may cause local high concentration. For small batch preparation, it can be pre-diluted with normal temperature water (recommended dilution temperature 15°C–40°C, not too high to avoid affecting product stability), stir thoroughly, and then add to the main system.

3. Process Control: During use, maintain the system pH in the neutral to weak alkaline range (pH 5–9), and avoid strong acidic (pH<3) or strong alkaline (pH>12) environments that may cause hydrolysis of the active ingredients. The working solution temperature can normally function within the range of 20°C–60°C.

Precautions

  • Safety Protection: This product is classified under GHS as Skin Irritant Category 2 and Serious Eye Irritant Category 2. It is mandatory to wear impermeable chemical protective gloves and safety goggles during operation to avoid direct contact with skin and eyes.
  • Compatibility Issues: It should not be used together with strong oxidizers, strong acids, or strong alkalis to avoid product decomposition and loss of effectiveness. When compounded with cationic surfactants, precipitation may occur. It is recommended to perform a compatibility test first to confirm stability.
  • Environmental Protection: Toxic to aquatic organisms (96h LC₅₀ for fish approximately 10–100 mg/L). Waste liquid must not be directly discharged into water bodies or soil; it must be collected and disposed of in accordance with local regulations.
  • Storage Requirements: Store in a sealed container in a cool, dry, and ventilated area, away from heat sources and open flames. Flash point >100°C. Although not easily flammable, it may release irritating vapors when heated.
  • Small-Scale Verification: When raw material batches or formulations change, it is recommended to perform small-scale trials first to confirm that the penetration effect, foam control, and system stability meet requirements before proceeding with large-scale production application.