Coapur™ 2501

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Description

Coapur™ 2501 is a water-soluble, non-ionic polyurethane rheology modifier. Here are its typical characteristics and properties:

Nature: Water soluble non-ionic polyurethane
Appearance: Viscous whitish liquid
Solid Content: 20%
Active Content: 20%
pH: 7
Brookfield viscosity: 2500 mPa.s
Specific gravity: 1.04
Solvent: Water

Description:
Coapur™ 2501 is a non-ionic, associative, and solvent-free polyurethane (HEUR) rheology modifier that provides a pure Newtonian rheology to water-borne systems. It selectively adjusts high shear viscosities, ensuring excellent film build, spatter resistance, and leveling while maintaining flexibility of use.

Recommended Addition Level:

Typical dosage: between 0.5% and 3% (as delivered on total formulation weight).
When used in combination with other thickeners: between 0.5% and 1.5%, depending on the rheological profile of the co-thickener.
When used as a sole thickener: between 1% and 3%.

Standard Packaging:
Available in 1000L IBC and 220L drum. Other packaging options may be available upon request.

Handling & Storage:
Store between 5°C and 40°C, protected from weathering and direct sunlight exposure. Reseal packaging immediately after use. To be easily pumpable, Coapur™ 2501 should be used at around 20°C. Use within 12 months under these conditions.

Health and Environmental Data:
Refer to the Safety Data Sheet for safe handling. For more information about health and environmental data, contact the manufacturer.

Market:

Coatings & Inks
- Architectural Coating
- Graphic Arts
- Industrial Coating
- Textile & Leather Coating
- Traffic Paint
Adhesives & Sealants
- Pressure Sensitive Adhesives

Key Benefits:

Formulation: Color acceptance, compatibility, easy handling, post-ready addition to use
Storage: Syneresis resistance, viscosity stability
Application: Film build, spatter resistance, brushability, rollability, temperature resistance
Film Properties: Anticorrosion, gloss, leveling, rub resistance, water resistance, chemical resistance

Files

TDS_COAPUR™-2501_en_WW.pdf View

Application

Adhesives & Sealants

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Composition
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- Feldspar-group minerals: 87% or more by weight.
Hazards Identification
- Classification:
  - Specific target organ toxicity - repeated exposure, Category 2 (Lungs).
- Hazard Statements:
  - H373: May cause damage to organs (lungs) through prolonged or repeated exposure if inhaled.
- Precautionary Statements:
  - P260: Do not breathe dust.
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Product Overview:
- Product Name: WALOCEL™ CRT 10000 G
- Chemical Name: Sodium Carboxymethylcellulose
- Specification Number: 000000127502
- Previous Specified Material: 00160302
- Trademark: WALOCEL™ (Trademark of The Dow Chemical Company)
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  - Method: CE-55.4
  - Test Frequency: Audit basis
2. Substitution Degree:
  - Range: 0.82 — 0.95
  - Method: CE-28.4
3. Moisture Content (As Packaged):
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4. pH Value (1% Aqueous Solution):
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5. Total Salt Content (Dry Basis):
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  - Method: CE-15.4
  - Test Frequency: Audit basis
6. Viscosity (Brookfield, LVT, SP.3, 30 RPM, 1% Aqueous Solution, Dry Basis, 25°C):
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Product Characteristics:
- Active Content: Indicates the amount of carboxymethylcellulose present in the product.
- Degree of Substitution: Refers to the extent to which the cellulose molecule has been substituted with carboxymethyl groups. This affects the solubility and viscosity.
- Moisture Content: The amount of water present in the product. This can affect the product’s handling and performance.
- pH Value: Measures the acidity or alkalinity of a 1% aqueous solution of the product.
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Usage and Safety:
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Product Overview:
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- CAS Number: 29911-27-1
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- Molecular Weight: 176.2 g/mol
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- Flash Point (Setaflash Closed Cup): 88°C (190°F)
- Freezing Point: <-75°C (<-103°F)
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- Specific Gravity (25/25°C): 0.919
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  - @ 25°C: 0.916 g/cm³ (7.65 lb/gal)
- Viscosity at 25°C: 11.4 cP (mPa•s)
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- Specific Heat at 25°C: 1.94 J/g/°C
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- Autoignition Temperature: 205°C (401°F)
- Evaporation Rate:
  - n-Butyl Acetate = 1.0: 0.014
  - Diethyl Ether = 1.0: 903
- Solubility at 25°C:
  - Solvent in Water: 17.2 g/100 g (15 wt%)
  - Water in Solvent: 22.5 g/100 g (18.5 wt%)
Hansen Solubility Parameters:
- Dispersion (d): 15.0 (J/cm³)^(1/2)
- Polar (p): 3 (J/cm³)^(1/2)
- Hydrogen Bonding (h): 9.6 (J/cm³)^(1/2)
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- Lower: 0.68%
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Product Overview:
- Product Name: TEGO® Airex 902 W
- Manufacturer: Evonik Operations GmbH
Description:
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- Appearance: White thixotropic liquid
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- Before use, mix briefly with low shear forces.
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- Long-term effectiveness of the product is dependent on the formulation and should be tested in individual formulations.
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Coapur™ 2501

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Coapur™ 2501

Manufacturer

Main Actions

Description

Files

Categories

Application

Add a review

Leave a Reply · Cancel reply

You May Also Be Interested In

Siliplast 810

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Specifications and Testing Requirements:

Product Characteristics:

Usage and Safety:

Dowanol DPnP

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Flammable Limits (Vol.% in Air):

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Description:

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Applications:

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