Desmoseal® S XP 2458

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Description

Desmoseal® S XP 2458 is a specialized chemical product provided by Covestro, primarily used as a base resin in various industrial applications. Here's a detailed overview based on the provided technical datasheet:

Overview:

Product Type: Polyurethanes > PU-Prepolymers
Chemical Composition: Solvent-free silane terminated polyurethane prepolymer
Physical Form: Liquid
Appearance: Clear yellow

Properties:

Flash Point: 156°C (DIN 51758)
Specific Gravity @ 20°C: 1.023 g/cm³
Viscosity: 35000 mPa-s at 23°C (DIN 53019)
Weight per Gallon @ 20°C: 8.54 lb/gal
Pour Point: -6°C

Solubility:

Soluble in: Aromatic hydrocarbons and plasticizers

Applications:

Desmoseal® S XP 2458 is used in various sectors due to its versatile properties:

Adhesives: Particularly reactive, solvent-free (100% solid) adhesives.
Sealants: Ideal for moisture-curing sealants.
Industrial Assembly: Used in household appliance assembly.
Transportation: Excluding automotive applications.
Wood & Related Industries: Suitable for furniture assembly.
Construction & Housing: Utilized in buildings and construction projects.

Storage and Handling:

Maximum Storage Temperature: 50°C (122°F)
Processing Requirements: Requires the addition of suitable fillers to enhance adhesive properties and ensure bubble-free and blister-free curing.

Usage Benefits:

Desmoseal® S XP 2458 is valued for its performance in moisture-curing systems, ensuring durable and stable applications across a variety of substrates including wood, plastic, and metal. Its properties make it a reliable component in producing high-quality adhesives and sealants used in demanding industrial settings.

Summary:

Desmoseal® S XP 2458 is a high-performance silane terminated polyurethane prepolymer designed for use in solvent-free, moisture-curing adhesive and sealant systems. It is a versatile product suited for a range of industrial applications due to its excellent adhesion properties and stability.

Files

Desmoseal-S-XP-2458-EN-BE.pdf View

Application

Paints & Coatings

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Product Overview:
- Product Name: Bayhydrol® U 2757
- Type: Aliphatic, hydroxyl-functional polycarbonate ester-polyurethane dispersion
- Form: Cosolvent-free, waterborne dispersion
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Technical Properties:
- Minimum Film Forming Temperature (MFT): < 0°C
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- Acid Number: Approximately 9 mg KOH/g
Specifications:
- Viscosity at 23°C (D = approx. 40 s⁻¹): 300 - 1,500 mPa·s
- pH Value (Supply Form): 7.0 - 8.0
- Non-Volatile Content (1 g/1 h/125°C): 50 - 54%
Logistics and Handling:
- Storage Conditions:
  - Store in tightly sealed original containers.
  - Protect from freezing, heat, and contamination by foreign materials.
  - Recommended storage temperature: 5ºC to 30ºC
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- Sampling and Packaging:
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Product Overview:
- Product Name: Bayhydrol® UH 650
- Type: Aliphatic polyurethane resin dispersion
- Form Supplied: Approximately 50% in water
Specifications:
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Properties / Applications:
- Adhesion and Performance:
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- Drying and Compatibility:
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Storage:
- Recommended Storage Temperature: 5 - 30°C.
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Storage Time:
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Product Overview:
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- Type: Vinyl toluene - acrylate copolymer
Physical Properties:
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- Tg (Glass Transition Temperature) Midpoint: 61°C
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Chemical/Mechanical Properties:
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Desmoseal® S XP 2458

Main Actions

Description

Overview:

Properties:

Solubility:

Applications:

Storage and Handling:

Usage Benefits:

Summary:

Files

Categories

Application

Add a review

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Desmoseal® S XP 2458

Manufacturer

Main Actions

Description

Overview:

Properties:

Solubility:

Applications:

Storage and Handling:

Usage Benefits:

Summary:

Files

Categories

Application

Add a review

Leave a Reply · Cancel reply

You May Also Be Interested In

Bayhydrol U 2757

Product Overview:

General Characteristics:

Technical Properties:

Specifications:

Logistics and Handling:

Bayhydrol® UH 650

Product Overview:

Specifications:

Properties / Applications:

Storage:

Storage Time:

Pliolite AC3-H

Product Overview:

Physical Properties:

Chemical/Mechanical Properties:

Key Advantages:

Applications:

Pliolite VTAC-H

Product Overview:

Physical Properties:

Chemical/Mechanical Properties:

Key Advantages:

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