Ruiqite

Focusing on the research and development of fluorescent brightener applications throughout his life, he has successfully served tens of thousands of terminal companies.

Introducing German technology and employing a technical formula, we achieve even more pronounced brightening, luminosity, and color enhancement! ●Excellent dispersibility ●Permanent shelf life of ten years!

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Professional supplier of plastics, paints and ink additives

Application of Yellowish remover & Transparent agent RQT-TS in PVC material

Polyvinyl chloride (PVC) is a kind of plastic products synthesized by 43% oil and 57% salt, after adding the right amount of plasticizer, can be made into a variety of hard, sof...

Blog 2025/07/30

Which kind of optical brightener can make the water-based sealant high in whiteness

The water-based sealant is mainly made of polymer water emulsion, rubber emulsion, water-soluble resin and water-based polymer materials as the main body, adding dispersant, sta...

Blog 2025/07/30

How to produce not yellow aging slow stain resistant thermoplastic marking paint?

Thermoplastic road marking paint is widely used in road marking in the world at present. It has the characteristics of short construction time, high wear resistance and low pric...

Blog 2025/07/30

Hot-melt road coatings have excellent performance and different prices. Is there any way to reduce production costs while ensuring the quality of hot-melt coatings?

Road making paint raw materials do not contain volatile components, film forming mechanism is physical cold solidification, the construction by heating the powder coating meltin...

Blog 2025/07/30

Professional optical brightener KCB for EVA material

Optical brightener KCB, also known as fluorescent whitening agent 367, is mainly used to whiten EVA foamed shoe material, synthetic fiber and plastic, and can be used to whiten ...

Blog 2025/07/30

How to deal with yellowing of acrylic acid main monomer?

Blue liquid Yellowish remover &Transparent agent TS for acrylic [1655523002785008.jpg] Acrylic acid main monomer yellow how to do? High quality acrylic acid for colorless trans...

Blog 2025/07/30
Customized Whitening Solutions: Empower Your Products with Precision

Different industries have distinct whitening requirements: plastics require heat resistance, inks must ensure compatibility, and textiles prioritize washability. Ruixun's new generation of whitening agents utilizes modular formulations to provide comprehensive technical support, from product selection to dosage adjustment, tailored to your raw material characteristics, production processes, and quality standards.

Certificates

Ruiqite's products are certified to ISO 9001 quality management system, ensuring quality and safety in the global market.

OUR CLIENTS
FAQs
What are optical brighteners and how do they work?

Optical brighteners—also known as fluorescent whitening agents (FWAs)—absorb UV/violet light (340‑370 nm) and re‐emit blue light (420‑470 nm), enhancing whiteness and reducing yellowing in plastics, textiles, coatings, and detergents.

What is RQT Chem's advantage in brightener technology?

We employ proprietary German-derived formulations and a dedicated team of experts focused on optical brightener R&D, enabling optimized performance with minimal dosage and fast turnaround for diverse industries.

What materials industries do you serve?

We provide additive solutions for a wide range of applications, including plastics, paints & coatings, inks, textile & dyeing, detergents, and paper industries—leveraging over 800 application case studies.

Can you recommend dosage levels and compatibility for my resin system?

Yes—RQT Chem offers tailored formulation recommendations. Dosage depends on substrate chemistry, processing method, and brightness goal. Our technical team will assist in dosage adjustment and compatibility evaluation.

What is your production capacity and logistics capability?

RQT Chem owns 4 factories and partners with 8 facilities, producing up to 5,000 tons annually. We maintain a 3,640 m² smart warehouse, ensuring reliable supply and prompt delivery globally.

No. 402, Unit 1, Building 66,Sino-German Park, Xuedian Town, Xinzheng City,Henan
+86 18217621160
coco@richite.com