ADDITOL® VXW 6374

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Description

ADDITOL® VXW 6374 is an ionic and nonionic surfactant with pigment affinity groups designed for use in waterborne coating systems. It is specifically formulated to enhance the wetting of both organic and inorganic pigments in aqueous coating systems. Key properties and characteristics include:

Form of Delivery: It is supplied as a low-viscous liquid.
Dynamic Viscosity: Typically ranging from 50 to 300 mPa.s at 25 1/s and 23°C.
pH-Value: Usually between 8 to 10 (measured at 5% concentration).
Non-Volatile Matter: Generally between 48% to 52% (measured at 150°C for 10 minutes).
Colour/Appearance: Yellow.

Special properties of ADDITOL® VXW 6374 include its ability to improve wetting of pigments in aqueous coating systems, reduce grind viscosity, and prevent pigment reflocculation during the storage of formulated paints.

It finds application as a wetting agent in various waterborne coating systems, including alkyd resin emulsions, acrylics, polyesters, epoxies, UV curing backbone resin systems, polyurethane emulsions, and standard emulsions for quality coating systems. It is also suitable for preparing pigment pastes without binders.

In terms of processing, ADDITOL® VXW 6374 should be milled together with the pigments, preferably added to the resin base before adding the pigments. The recommended dosage on pigment varies, with 1.0% to 10.0% for inorganic pigments and 10.0% to 40.0% for organic pigments. The optimum dosage should be determined through careful laboratory evaluation.

Storage stability in original containers at temperatures between 5°C to 25°C amounts to at least 730 days. However, it's noted that synthetic resins containing water may freeze or become inhomogeneous at temperatures below 0°C, necessitating extended heat treatment for regeneration.

Overall, ADDITOL® VXW 6374 is a versatile additive that enhances the performance of waterborne coating systems by improving pigment wetting and stability.

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- Supplier: Quarzwerke GmbH, Germany
- Uses: Used primarily as a filler and raw material in various industrial applications.
Composition
- Quartz (SiO₂): 1% - 10% by weight. Quartz is the primary hazardous component, known for its potential to cause lung damage if inhaled in dust form.
- 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.
  - P314: Get medical advice/attention if you feel unwell.
  - P501: Dispose of contents/container to an approved waste disposal plant.
Handling and Storage
- Handling: Avoid dust formation and breathing dust. Use appropriate ventilation.
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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):
  - Range: 900 — 1500 mPa.s
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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.
- 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:
- Product Name: DOWANOL™ DPnP Glycol Ether
- Chemical Formula: C3H7O[CH2(CH)CH3O]2H (Major isomer)
- CAS Number: 29911-27-1
Description:
DOWANOL™ DPnP is characterized by a slower evaporation rate compared to DOWANOL™ PnP glycol ether and is slightly more hydrophobic. It has a mid-range balance between hydrophobic and hydrophilic properties and offers significant water solubility. It is highly effective as a coalescent in coatings, providing excellent film properties and compatibility with hydrophobic materials.
Physical Properties:
- Molecular Weight: 176.2 g/mol
- Boiling Point: 213°C (415°F)
- Flash Point (Setaflash Closed Cup): 88°C (190°F)
- Freezing Point: <-75°C (<-103°F)
- Vapor Pressure at 20°C: 0.08 mmHg (0.11 mbar)
- Specific Gravity (25/25°C): 0.919
- Density:
  - @ 20°C: 0.921 g/cm³ (7.68 lb/gal)
  - @ 25°C: 0.916 g/cm³ (7.65 lb/gal)
- Viscosity at 25°C: 11.4 cP (mPa•s)
- Surface Tension at 25°C: 27.8 dynes/cm (mN/m)
- Specific Heat at 25°C: 1.94 J/g/°C
- Heat of Vaporization at Normal Boiling Point: 265 J/g
- Net Heat of Combustion at 25°C: 29.7 kJ/g
- 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.
Key Benefits:
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- Optimal combination in eliminating both micro-foam and macro-foam.
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- Appearance: White thixotropic liquid
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Solubility:
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- Before use, mix briefly with low shear forces.
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Handling & Storage:
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Manufacturer

Main Actions

Description

Files

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Application

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