A low modulus silane modified polyether polymer developed for flexible sealing and bonding applications with excellent elastic recovery, ideal for industrial and construction use.
Product Overview
TUPS 203T is a hybrid polymer that combines excellent elasticity, reliable adhesion, and environmentally friendly formulation technology. Produced by Risun, it is suitable for construction sealants, transportation sealing systems, and industrial adhesive applications.
Key Features
Moderate activity with low modulus properties
Solvent-free formulation with very low odor during processing
Excellent elastic recovery rate
Superior resistance to water, yellowing, and long-term aging
Fast moisture-curing chemistry with stable processing behavior
Compatible with other Risun polymers for customized formulations
Technical Specifications
Product Type
Silane Modified Polyether
Appearance
Light Yellow Liquid
Modulus
Low
Viscosity
6000-10000mPa*s
Density
1.0 g/cm³
Shelf Life
≥12 Months
Curing System
Moisture Curing
Applications
Low modulus construction sealant
Transportation industry elastic sealant
Eco-friendly decoration sealant and adhesive
DIY adhesives
Curing Mechanism
TUPS 203T 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.
Ideal For Applications Requiring:
Low modulus construction and industry sealant formulations
High movement capability
Solvent-free and eco-friendly products
Strong adhesion across multiple substrates
Reliable weather and water resistance
Recommended Uses
This product is particularly suitable for applications requiring flexibility, movement accommodation, and long-term weather resistance.
Frequently Asked Questions
What is the main advantage of TUPS 203T?
The primary advantage is its low modulus and excellent flexibility, allowing sealants to accommodate movement without losing adhesion.
Is TUPS 203T suitable for industrial sealing?
Yes. Its elastic recovery and flexibility make it suitable for dynamic sealing applications in industrial environments.
What substrates can TUPS 203T bond to?
The polymer provides excellent adhesion to a wide range of substrates including metal, glass, aluminum, concrete, and coated surfaces.
For detailed technical information, please contact our sales department.