Thiourea

1. Electroplating and Metal Surface Treatment

This is one of the largest application areas for thiourea, where Thiourea 99.5% and Thiourea technical grade are widely utilized due to their functions as brighteners, leveling agents, and complexing agents. Both Thiourea 99.5% and Thiourea technical grade play crucial roles in improving the quality of metal plating and surface treatment processes, making them indispensable in the electroplating industry.

• Electroplating Brightener: In processes such as acid copper plating, gold plating, and silver plating, trace addition of Thiourea 99.5% can refine the coating crystals, make the surface flat, and significantly improve glossiness, achieving a mirror-like bright effect. Thiourea technical grade is also suitable for general electroplating scenarios, providing cost-effective brightening performance. The brightening effect of Thiourea 99.5% and Thiourea technical grade ensures that plated workpieces have excellent surface aesthetics and corrosion resistance.

• Metal Cleaning and Polishing: Is used in chemical polishing solutions for metals such as stainless steel, copper, and aluminum, effectively removing oxide layers and minor defects to enhance surface finish. For high-precision metal polishing requirements, Thiourea 99.5% is preferred due to its high purity, which avoids impurity interference and ensures consistent polishing results. Both Thiourea 99.5% and Thiourea technical grade improve the cleanliness and smoothness of metal surfaces, laying a good foundation for subsequent processing.

• Corrosion Inhibitor: In certain pickling solutions, Thiourea 99.5% and Thiourea technical grade can be adsorbed on metal surfaces, inhibiting excessive corrosion of the substrate by acids and protecting workpieces. Thiourea 99.5%’s high purity ensures stable corrosion inhibition performance in harsh pickling environments, while Thiourea technical grade provides reliable protection for general pickling processes. The corrosion inhibition effect of Thiourea 99.5% and Thiourea technical grade extends the service life of metal workpieces and reduces processing losses.

2. Mining and Metallurgy (Precious Metal Extraction)

Is a key component of environmentally friendly gold leaching agents and is regarded as a potential alternative to the traditional highly toxic cyanidation method. Is also used in high-purity precious metal extraction processes, ensuring the purity of the extracted products. Both Thiourea 99.5% and Thiourea technical grade are favored in the mining industry for their environmental friendliness and efficient leaching performance.

• Gold and Silver Leaching: In acidic Thiourea technical grade solutions, gold and silver can form soluble complexes and be leached out, which is particularly suitable for carbon-containing or complex refractory ores. For high-grade precious metal ores, Is used to ensure high leaching efficiency and low impurity content. The leaching performance of Thiourea 99.5% and Thiourea technical grade makes them important materials for sustainable precious metal extraction.

• Metal Separation and Recovery: Utilizing their complexing properties, Technical grade can selectively recover precious metals from secondary resources such as electronic waste and catalysts. Thiourea 99.5% is suitable for high-purity precious metal recovery scenarios, while Thiourea technical grade is used in large-scale industrial recovery processes. Both Thiourea 99.5% and Thiourea technical grade contribute to the recycling of precious metal resources and the reduction of environmental pollution.

3. Chemical Synthesis and Pharmaceutical & Pesticide Intermediates

• Pharmaceutical Synthesis: Is used to manufacture intermediates for sulfonamide drugs, antithyroid drugs (such as methimazole), anti-tuberculosis drugs, and some anti-cancer drugs. The high purity of Thiourea 99.5% ensures the safety and effectiveness of pharmaceutical products. Is strictly controlled in pharmaceutical synthesis to meet the strict quality requirements of the pharmaceutical industry.

• Pesticide Synthesis: Technical grade are key starting materials for producing fungicides, herbicides (such as metribuzin), and insecticides. Is used for high-purity pesticide synthesis, while Thiourea technical grade is suitable for general pesticide production. The stability and reactivity of Thiourea 99.5% and Thiourea technical grade ensure the effectiveness and stability of pesticide products.

• Other Chemicals: Technical grade are used to synthesize thiol compounds, optical brighteners, rubber vulcanization accelerators, etc. Is preferred in the synthesis of high-precision chemicals, while Thiourea technical grade is used in large-scale industrial production. Both Thiourea 99.5% and Thiourea technical grade have broad application prospects in the chemical industry.

4. Photography and Photosensitive Materials

• Black and White Film Development: Is used as a toner and silver salt solvent, which can change the photo tone (such as brown tone) or perform thinning treatment. Thiourea technical grade is also used in general black and white film development processes. The toner effect of Thiourea 99.5% and Thiourea technical grade enriches the expressive forms of black and white photos.

• Photosensitive Emulsions: Is used as an additive in the preparation of certain photosensitive materials. Its high purity ensures that the photosensitive emulsion has stable performance and good photosensitivity. Thiourea 99.5% plays an important role in improving the quality of photosensitive materials.

5. Other Professional Applications

• Resins and Plastics: Is used as a modifier for certain urea-formaldehyde resins and phenol-formaldehyde resins to improve their performance.Is also used in high-performance resin modification, enhancing the toughness, heat resistance, and other properties of resins. Both Thiourea 99.5% and Thiourea technical grade expand the application range of resins and plastics.

• Dye Industry: Thiourea 99.5% and Thiourea technical grade are used as intermediates or leveling agents for certain dyes. Thiourea 99.5% ensures the purity and color fastness of dyes, while Thiourea technical grade improves the uniformity of dyeing. The application of Thiourea 99.5% and Thiourea technical grade enhances the quality of dye products.

• Laboratory Analysis Reagents: Is used for the determination and masking of metal ions in laboratory analysis due to its high purity. The accuracy and reliability ofThiourea 99.5% ensure the correctness of experimental results.

• Rubber Auxiliaries: A small amount of Thiourea technical grade is used as a vulcanization accelerator and activator in rubber processing. It accelerates the vulcanization speed of rubber and improves the mechanical properties of rubber products. Thiourea technical grade is a cost-effective auxiliary in the rubber industry.