CRAYVALLAC® SF

CRAYVALLAC® SF is a proprietary amide-modified hydrogenated castor oil rheology modifier with an enhanced tolerance to temperature and solvent strength suitable for a variety of different solvent-based systems e.g. aromatic hydrocarbons and aromatic hydrocarbon/alcohol blends. Compared to other hydrogenated castor oil based rheology modifiers, CRAYVALLAC® SF is more tolerant to strong solvents and high processing temperatures due to the presence of its unique performance enhancing amide. The activation process constitutes the conversion of the CRAYVALLAC® SF particles to an interacting network of fibre-like particles. It is this network that gives rise to the final coating’s shear thinning rheology. This shear thinning characteristic provides a very high viscosity under the low shear rates associated with sedimentation, and a low viscosity at the much higher application shear rates. The net result is excellent control of sedimentation combined with ease of application.

Principal: Arkema Rheology and Specialty Additives Group

Functions: Rheology Modifier, Rheology Modifier

Chemical Family: Castor Oil Derivatives

End Uses: Electronics

Features: Anti-Settling, Brushability, Easy Handling, Good Leveling, High Gloss, High Shear Thinning, Highly Thixotropic, Improved Edge Coverage, Low Shear Contribution, Rollability, Syneresis Resistance, Transparency, Viscosity Stability

Labeling Claims: Bio-based, Heavy Metal-free, No Added Alkylphenol Ethoxylates (APEO), Not Listed In California Proposition 65, Solvent-free

Physical Form: Powder

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Enhanced TDS

Identification & Functionality

CASE Ingredients Functions
Chemical Family
Country of Origin
Function
Rheology Modifier
Industrial Additives Functions
Product Code
MITM01586
Technologies
Product Families

Features & Benefits

CASE Ingredients Features
Labeling Claims
Key Benefits

Formulation

  • Easy handling

Storage

  • Antisettling
  • In-can appearence
  • Syneresis resistance
  • Viscosity stability

Application

  • Edge-coverage
  • Brushability
  • Rollability

Film Properties

  • Gloss
  • Levelling
  • Transparency

Safer Solutions

  • APEO Free
  • Heavy Metal Free
  • Solvent Free
  • Total Bio content: 94%
Product Features
  • Gloss
  • Levelling
  •  Transparency

Applications & Uses

Industrial Additives End Use
Markets
Applications
Product Applications

Electrical & Electronics
 Chemicals For Electronic
Coatings & Inks

  • Architectural Coating
  • Graphic Arts
  • Industrial Coating

Adhesives & Sealants

  • Assembly
  • Other Adhesives
  • Sealants
Processing Instructions
  • The use of high-speed dispersers is ideal in that they generate both the necessary shear and temperature required for full dispersion and activation.
  • The activation process constitutes the conversion of the CRAYVALLAC® SF particles to an interacting network of fibre-like particles.
  • It is this network that gives rise to the final coating’s shear thinning rheology.
  • This shear thinning characteristic provides a very high viscosity under the low shear rates associated with sedimentation, and a low viscosity at the much higher application shear rates.
  • The net result is excellent control of sedimentation combined with ease of application.
  • Activation at too low a temperature, or too high a temperature, or
  • for too short a time, will result in the formation of an inefficient interacting
  • network. The use of too high a temperature will result in the network dissolving.
  • Partial dissolving of CRAYVALLAC® SF during coating manufacture manifests
  • itself on cooling in the form of seeding. This is when dissolved material
  • crystallises out in an uncontrolled manner. As with all rheology modifiers based
  • on hydrogenated castor oil, coatings prepared using CRAYVALLAC® SF may
  • sometimes develop an excessively high structure, or false-body.

Properties

Physical Form
Soluble In

Regulatory & Compliance

Certifications & Compliance
Contains any chemicals listed on Prop 65 (including impurities, residues, catalysts, monomers, and by-products and excluding heavy metals)?

Packaging & Availability

Packaging Type
Product Packaging

20 Kg Bag

Principal Information

Group Principal Number
S000003
Principal

Storage & Handling

Storage Conditions
  • It should be stored in the original containers in a dry place at temperatures between 5°C (41°F) and 30°C (86°F).
  • Avoid exposure to direct sunlight or frost.
  • In these conditions, this product should be used within 48 months from production.

Other

Appearance
Off white micronized powder
Color (SDS)
Off-white
Insoluble in (SDS)
Water
Item Number
Odor (SDS)
Odorless
Other Hazards
Processing may release vapors and/or fumes which cause eye, skin and respiratory tract irritation, Mechanical irritation effects from dust exposure are possible at ambient temperature.
USA/DOT UN Number
Not Applicable
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life48.0 momo
Physical Properties
ValueUnitsTest Method / Conditions
Bulk Density0.4-0.6 g/cm³g/cm³
Melting Point135.0 °C°C
Particle Sizemin. 2.0 µmµm
Specific Gravity1.02-
Storage Temperature41.0-86.0 °F°F
Material Composition
ValueUnitsTest Method / Conditions
Active Content100.0 %%
Solid Content100.0 %%
Application Information
ValueUnitsTest Method / Conditions
Dosage (Use Level)0.2-1.5 %%
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Autoignition Temperature (SDS)716.0 °F°F
Density (SDS)1.02 g/cm³g/cm³at 20°C
Melting Point (SDS)266.0-284.0 °F°F
Specific Gravity (SDS)1.02-at 20°C, water = 1