Focused on Modified Siloxanes
Enabling Material Innovation
Rapid Response · Precise Formulation · Turnkey Solutions
Explore Our CapabilitiesCompany Overview
Hengyu (Wuxi) Technology Co., Ltd. specializes in the R&D, production and application services of specialty chemical additives. Centered on modified polysiloxanes and material interface treatment technology, it provides products and technical solutions for fiber composites, resin modification, coatings and inks, adhesives, rubber and plastics, textiles and agriculture.
The company's products cover modified silicone oils, fiber sizing agents, coatings and inks additives, waterborne resin emulsions and textile auxiliaries, and it offers product selection, sample testing, formulation optimization and custom development services.
Technical Services
Full-process professional technical support from product selection to custom development
Product Selection
Precisely matching products to your application scenarios
Sample Testing
Free samples and application testing
Formulation Optimization
Helping customers optimize formulations to improve performance
Custom Development
Tailor-made formulation solutions on demand
Product Center
A selection of core products to meet diverse application needs
Reactive Functional-Group Modified Silicone Oils

Single-End Diol-Terminated PDMS
Significantly raises the water contact angle of polyurethane, with excellent water-repellent, anti-stick, anti-fouling and anti-graffiti performance
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Single-End Methacrylate Silicone Oil
Excellent UV curing, oxidation resistance, water-repellent and anti-fouling performance
View Details →Long-Chain Alkyl/Aryl Modified Silicone Oils

HY-19N Long-Chain Alkyl/Aryl Modified Silicone Oil
High-performance modified silicone oil with excellent lubricity and release properties, used as a raw material for greases or defoamers
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HY-09N Long-Chain Alkyl/Aryl Modified Silicone Oil
A uniquely multi-modified high-performance silicone system combining release, lubrication and defoaming
View Details →Fiber Sizing Agents
Coatings & Inks Additives

HY-302 Self-Defoaming Acid/Alkali-Resistant Wetting Agent
Excellent wetting and penetration, defoaming and foam suppression, lubrication, wear resistance and stability; optimizes surface tension to prevent cratering
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HY-840 Water-Soluble Wetting Agent
Water-miscible, colorless and transparent, low surface tension, suitable for the textile industry
View Details →Textile Auxiliaries

AEM5700 Organosilicone Quaternary Ammonium Antimicrobial & Antifungal Agent
Benchmarked against Dow Corning 5700: highly effective antimicrobial and antifungal, soft and skin-friendly, resistant to yellowing
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HY-1625 Hand-Feel Agent
Replaces DC51 for waterborne acrylic blend coating systems; improves film transparency and gloss, suitable for clear and high-gloss coatings
View Details →Trusted Partners
Serving many industry-leading companies and building long-term, stable partnerships
Wide Application Fields
Products and services covering multiple industrial fields to meet diverse scenario needs
Carbon Fiber Composites
Glass Fiber Reinforcement
Coatings & Inks
Automotive Manufacturing
Personal Care Products
Agricultural Additives
Electronic Materials
Building Materials
Get Your Dedicated Technical Solution
Our technical team will provide professional product selection and application advice
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