HF D27 is a flexible hybrid polymer specifically developed for industrial sealants, waterproof sealing systems, and elastic bonding applications. Manufactured by Risun, this product offers outstanding flexibility, excellent elastic recovery, and reliable long-term durability, making it suitable for formulations that require movement accommodation and crack resistance.
Key Features
Low reactivity and low modulus formulation
Excellent elastic recovery rate
Superior adhesion strength and tensile strength
Exceptional resistance to water, yellowing, and long-term aging
Excellent chemical corrosion resistance
Compatible with other Risun polymers for customized formulations
Technical Specifications
Product Type
Hybrid Polymer
Appearance
Light yellow liquid
Modulus
Low
Viscosity
28,000-38,000 mPa*s
Density
1.0 g/cm³
Shelf Life
≥12 Months
Curing System
Moisture Curing
Primary Applications
Transportation industry sealants
General-purpose industrial and construction sealants
Eco-friendly decorative sealing and bonding
DIY adhesives
How It Works
HF D27 cures through a moisture-triggered silane reaction mechanism. When exposed to atmospheric moisture, the terminal silane groups hydrolyze to form silanol structures, which then crosslink to create a durable siloxane network. For detailed technical information, please contact our sales department.
Performance Benefits
Lower viscosity for easier processing
Long-term durability in demanding environments
Low VOC and environmentally friendly formulations
Excellent flexibility after curing
Reliable adhesion across multiple substrates
Recommended Use
HF D27 is particularly suitable for applications where movement capability and long-term elasticity are required.
Frequently Asked Questions
What is the main advantage of HF D27?
HF D27 provides excellent flexibility and elastic recovery, making it ideal for applications requiring movement accommodation and long-term sealing performance.
Is HF D27 suitable for industrial sealants?
Yes. HF D27 is specifically recommended for industrial adhesives, transportation adhesives, and eco-friendly sealing and bonding applications.
How should the material be stored?
The product should be stored in sealed packaging under dry conditions between 4°C and 30°C to avoid moisture exposure and maintain optimal performance.