Low Modulus Silane Modified Polyether Polymer for Flexible Sealants and Industrial Bonding
TUPS 203T is a low modulus silane modified polyether polymer developed for flexible sealing and bonding applications. Produced by Risun, this hybrid polymer combines excellent elasticity, reliable adhesion, and environmentally friendly formulation technology, making it suitable for construction sealants, transportation sealing systems, and industrial adhesive applications.
Product Features
Moderate Activity, Low Modulus
Solvent-free formulation with very low odor during processing
Excellent elastic recovery rate
Excellent 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
How It Works
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. For detailed technical information, please contact our sales department.
Why Choose TUPS 203T
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 Applications
The 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.
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.