VT-620 / VT-620S LM MS Sealant

General-Purpose, Durable Silicone Sealant for Sealing, Glazing & Waterproofing

Product Specifications

Packaging Size: 600 ml pouch
Packaging Type: Foil Sausage / Pouch
Colours Available: White, Grey, Black
Brand: V-Tech
Product Type: Low Modulus (LM) MS Polymer Sealant
Cure Type: Moisture Cure
Compatible Materials: Concrete, Glass, Aluminium, Steel, Wood, Painted Surfaces
Country of Origin: Made in India
Availability: In Stock

We Only Deals in Bulk Quantity

VT-620S LM MS Sealant: The Future of Hybrid Bonding & Flexible Sealing for Modern Infrastructure

Introduction: Why MS Polymer is Overpassing Traditional Silicones

In the evolving world of construction chemicals, MS Polymer (Modified Silicone) technology has emerged as the superior choice for high-end structural sealing. VT-620 / VT-620S LM MS Sealant is a high-performance, low-modulus hybrid sealant that combines the best properties of both silicone and polyurethane (PU) sealants.

Unlike traditional sealants, VT-620 / VT-620S LM MS Sealant offers the weather resistance of silicone and the paintability and strength of PU, without the drawbacks of either. At Poly Prime Industry, we provide the VT-620 / VT-620S LM MS Sealant 600ml sausage pack to engineers and contractors in Delhi who demand a “zero-compromise” solution for expansion joints and façade glazing.


Technical Innovation: What is Low Modulus (LM) MS Sealant?

The “LM” in VT-620S LM MS Sealant stands for Low Modulus. In technical terms, this means the sealant is incredibly soft and stretchy. When a building’s joints expand due to heat or shift due to vibration, a low-modulus sealant like VT-620 / VT-620S LM MS Sealant exerts very little stress on the bond line.

The Hybrid Advantage:

  • Isocyanate Free: Unlike PU sealants, VT-620 contains no harmful isocyanates, making it eco-friendly and safe for the user.

  • Solvent-Free: It does not shrink over time because there are no volatile solvents that evaporate during curing.

  • Bubble-Free Curing: Even in high-humidity conditions (like the Delhi monsoon), VT-620 cures smoothly without the bubbling issues often seen in PU sealants.


Key Features & Professional Benefits

1. Superior Paintability

One of the biggest frustrations with silicone is that paint won’t stick to it. VT-620S LM MS Sealant is fully paintable with most water-based and solvent-based paints. This allows architects to achieve a seamless look where the sealant color perfectly matches the building’s façade or interior walls.

2. Primerless Adhesion to Almost Anything

VT-620S LM MS Sealant is famous for its “grab.” It forms a powerful bond without a primer on a vast range of substrates, including:

  • Porous Surfaces: Concrete, bricks, and masonry.

  • Non-Porous Surfaces: Glass, aluminum, galvanized steel, and stainless steel.

  • Difficult Materials: Wood, FRP, and many treated plastics.

3. High Movement Accommodation

Buildings move—it’s a fact. Whether it’s thermal expansion in the summer or structural vibration from nearby traffic/metro lines, VT-620’s high elasticity ensures the seal remains intact. It can handle significant joint movement without tearing or peeling away from the edges.

4. Non-Staining Technology

Traditional silicones can sometimes leave “oil streaks” or stains on porous stones like marble or granite. VT-620 / VT-620S LM MS Sealant is a non-staining formulation, ensuring that your premium stone facades stay clean and aesthetically perfect for years.


Comprehensive Applications & Uses

The versatility of VT-620S LM MS Sealant makes it a specialized tool for several high-demand sectors:

  • A. Expansion & Movement Joints: It is the gold standard for sealing vertical and horizontal expansion joints in high-rise buildings, parking garages, and industrial flooring.

  • B. Façade Glazing & Curtain Walls: Used in high-end glass and aluminum assemblies where weather-tightness and a paintable finish are required.

  • C. Metal Panel Bonding (ACP): Ideal for sealing and bonding Aluminum Composite Panels, providing flexibility to absorb thermal expansion.

  • D. Industrial & Automotive Sealing: Used in bus body building, container construction, and heavy machinery sealing due to vibration resistance.


Technical Specifications (At a Glance)

Feature Technical Detail
Product Name VT-620 / VT-620S LM MS Sealantt
Chemistry Advanced MS Polymer (Hybrid)
Packaging 600ml Foil Pouch (Sausage)
Cure System Moisture Curing
Application Temp +5°C to +40°C
Service Temp -40°C to +90°C
Paintability Yes (Excellent)
Movement Capability High (± 25% to 50%)

Why Source VT-620 / VT-620S LM MS Sealant from Poly Prime Industry?

As a specialist in construction chemicals in Delhi (Krishna Nagar), Poly Prime Industry provides the technical expertise and genuine products your project deserves.

  • Genuine V-Tech Products: We supply 100% original VT-620 / VT-620S.

  • Ready Bulk Inventory: We maintain large stocks of 600ml sausages for immediate supply in Delhi, Noida, and Gurgaon.

  • Expert Technical Support: Our team helps you analyze the technical requirements of your project.

  • Competitive Pricing: We offer wholesale rates for bulk project requirements.


Frequently Asked Questions (FAQ)

Q1. Is MS Polymer better than PU Sealant?

Yes, VT-620 is UV stable (won’t crack), doesn’t bubble, and is safer for the environment than traditional PU sealants.

Q2. Can I use VT-620 on a wet surface?

While it is best applied on dry surfaces, MS Polymers bond to slightly damp substrates much better than silicones.

Q3. Does VT-620 shrink after curing?

No. It is 100% solids and solvent-free, ensuring zero shrinkage.

Q4. Where can I buy VT-620 600ml in Delhi?

Poly Prime Industry is your authorized source in Delhi NCR with ready stock.


Final Review & Call to Action

Don’t stick to old technology when the industry is moving toward Hybrid Polymers.VT-620 / VT-620S LM MS Sealant Sealant provides the ultimate flexibility and durability.