Topsen 540 - Medium Modulus One-Component, for Door/Window Sealing, Concrete Crack Repair Polyurethane Sealant

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Topsen 540 - Medium Modulus One-Component, for Door/Window Sealing, Concrete Crack Repair Polyurethane Sealant

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Product Description

Basic Specifications

Model NO.

540

Color

Grey

Morphology

Paste

Shelf Life

9 Months

Movement

±25%

Capacity

50000 PCS/Day

Product Overview

Topsen 540 - Medium Modulus Polyurethane Sealant

Topsen 540 is a medium-modulus, one-component, moisture-curing polyurethane sealant designed for demanding environments. It is solvent-free, environmentally friendly, and odorless. Suitable for dynamic and static joint sealing in construction, engineering, and industrial applications.

🚀 Key Features

Medium Modulus Design: Balances flexibility and strength for joint displacement.
100% Solvent-Free: Environmentally safe and non-corrosive to substrates.
Weather Resistance: Excellent UV and temperature resistance (-40°C to +90°C).
High Elasticity: Withstands joint movement up to ±25%.
Superior Adhesion: Bonds to concrete, stone, aluminum, glass, and wood.

Typical Applications

Building Curtain Walls (Stone/Aluminum).
Door and Window Waterproof Sealing.
Precast Concrete Panels & Expansion Joints.
Hydraulic Engineering & Pipe Joints.

Technical Parameters

Surface Drying Time	Approx. 30-60 minutes (25°C, 50% humidity)
Curing Speed	Approx. 3-4mm/day
Hardness (Shore A)	40-50
Tensile Strength	≥ 2.0 MPa
Elongation at Break	≥ 400%

Packaging & Logistics

Standard: 310ml cartridges / 600ml sausage packs. Store in a cool, dry place. Shelf life: 9 months.

Production Capacity

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard MOQ is 200 boxes, but we offer flexible options for long-term partners.

What is the lead time for orders?

Standard products take 10-15 days, while custom packing requires 15-25 days.

Do you provide free samples?

Yes, free samples are available for evaluation while customers cover the shipping costs.

What payment terms are accepted?

We typically accept T/T (30% deposit, 70% balance before shipment).

Can the sealant formulas be customized?

Absolutely, we can tailor color, viscosity, and curing time based on your specifications.

What is the quality guarantee period?

We provide a 12-month quality guarantee from the production date.

Topsen 540 - Medium Modulus One-Component, for Door/Window Sealing, Concrete Crack Repair Polyurethane Sealant

Product Description

Topsen 540 - Medium Modulus Polyurethane Sealant

🚀 Key Features

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