TAFIGEL® PUR 85

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Description

TAFIGEL® PUR 85 is a rheology modifier designed for aqueous systems, manufactured by MÜNZING CHEMIE GmbH. Here are some key details about this product:

Composition: TAFIGEL® PUR 85 is composed of non-ionic polyurethane in water. It is free from APE (alkylphenol ethoxylates), VOC (volatile organic compounds), and organotin.

Appearance: It is a white, turbid liquid.

Typical Properties:

Active Ingredients: Approximately 25%
Density at 20°C: Approximately 1.04 g/cm³
Solubility in Water: Dispersible in water, resulting in turbid solutions
pH: Approximately 6.5 (2% in distilled water)

Properties/Applications: TAFIGEL® PUR 85 functions as an "associative thickener," which enhances and stabilizes viscosity by forming a network between polyurethane, binder molecules, and other paint ingredients. It can be used alone or in combination with other TAFIGEL thickeners or other thickener technologies. It finds applications in various systems such as interior and exterior paints, latex paints, anticorrosive paints, adhesives, and printing inks.

Advantages:

Thickening independent of pH
Excellent flow, leveling, and gloss
Good spatter resistance
Excellent color acceptance on tinting

Recommended Levels/Use: TAFIGEL® PUR 85 can be added at any stage during the manufacturing process, and predilution with water is often unnecessary. It's advisable to conduct ladder studies to determine the optimum level, with normal dosage ranging from 0.3% to 2% of the total formulation.

Storage/Handling: The product is not sensitive to freezing and should be stored cool and dry. A creamy layer may form on the surface during storage, so proper stirring is necessary before use. The minimum shelf life in closed containers is 15 months from the date of manufacture.

Files

LI-TDS-Tafigel-PUR-85.pdf View

Application

Paints & Coatings

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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.
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  - P260: Do not breathe dust.
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WALOCEL™ CRT 10000 G Sodium Carboxymethylcellulose is a specific type of sodium carboxymethylcellulose (CMC) produced by The Dow Chemical Company. Here's a detailed overview based on the provided sales specification:
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)
Specifications and Testing Requirements:
1. Active Content (Dry Basis):
  - Minimum: 99.00%
  - 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):
  - Maximum: 8.0%
  - Method: CE-7.1
4. pH Value (1% Aqueous Solution):
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  - Method: CE-8.1
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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  - Method: CE-5.15
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.
- Total Salt Content: Indicates the amount of salt present, which can influence the viscosity and stability of the product.
- Viscosity: A measure of the product's thickness or resistance to flow in an aqueous solution. This is important for its functionality in various applications.
Usage and Safety:
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Product Overview:
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- CAS Number: 29911-27-1
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Physical Properties:
- 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
- Density:
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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)
Flammable Limits (Vol.% in Air):
- Lower: 0.68%
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Product Overview:
- Product Name: TEGO® Airex 902 W
- Manufacturer: Evonik Operations GmbH
Description:
TEGO® Airex 902 W is a highly effective and compatible deaerator emulsion based on polyether siloxane technology. It is particularly effective against both micro-foam and macro-foam.
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TAFIGEL® PUR 85

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TAFIGEL® PUR 85

Manufacturer

Main Actions

Description

Files

Categories

Application

Add a review

Leave a Reply · Cancel reply

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