Laviosa Chimica Mineraria SpA is one of the major global suppliers of bentonite products: the processing and distribution of special clays is our core business. We have developed numerous possible applications for these minerals as prime material for industry or mass market end products. Our products, together with applicative consultancy of our technicians and our services, are sold in more than 80 countries in the world to more than 1,500 customers, engaged in several different fields of application. Our special clays are used, other than in the landfill application, in coatings and detergency formulations, in paper production processes, in civil engineering, in casting and others: in all these our products contribute to find solutions of high added value.
DELLITE CW9
DELLITE® CW9
Dellite® CW9 is a nanoclay deriving from a naturally occurring montmorillonite especially purified and modified with a high content of quaternary ammonium salt (dimethyl dihydrogenated tallow ammonium). Dellite® CW9 is an additive for polymer application used to improve various physical and thermo-mechanical properties.
Applications
Polyolefins
Polyester
Polystyrene
Ethylene Vinyl Acetate
Polyamides
Epoxy and acrylic resins
Rubbers and Elastomers
Advantages of Dellite® CW9 in Polymeric Systems
Oxygen CO2 and water vapor barrier
Thermal stability
Stiffness
Melt fracture reduction
Solvent/Chemical resistance
Weight reduction
Fiberglass reduction
Rheology control
UV transmission
Flame retardant and Antidropping
Technical Data Sheet plastic@laviosa.com
Industrial Additives Plastic
Chemical and physical data
Colour: Off white
Moisture [%]: 3 (max)
Loss of ignition [weight %]: 43 – 48
Particle size (dry) [µm]: 15-20 (medium)
Particle size after dispersion [nm]: 1x500 (medium)
Modifier: Dimethyl dihydrogenated tallow ammonium
Specific weight [g/cm³]: 1.7
Bulk density [g/cm³]: 0.45
Incorporation
Thermoplastic Systems: According to the application, the incorporation of Dellite® CW9 into a thermoplastic system is usually carried out as follows: a) Adding up to 50% of Dellite® CW9 in a masterbatch and diluting the master in the final compound. b) Adding directly the Dellite® CW9 to the compound.
Thermoset Systems: The incorporation of Dellite® CW9 into a thermoset system may be obtained using the following methods: a) Mixing the desired amount of Dellite® with the resin. Then the curing agent and other additives may be added. b) Mixing the desired amount of Dellite® with the curing agent. Then the resin and other additives may be added. c) Resin curing agent and additives are mixed and then Dellite® CW9 is added.
Dosage The typical levels of use are included in the range 1-5% based on total system weight.
Storage Stability and Packing Product does not deteriorate in a significant way in a twelve months period. Storage is advisable in a dry sheltered place in closed bags. Packing is 25kg net paper bags on wood pallets of 1200kg each. Different packing is possible if required.
MO.04.A.G_Eng Rev.00
Laviosa Chimica Mineraria SpA - Italy Laviosa Sanayi ve Ticaret Ltd Sti - Turkey Laviosa MPC sas - France Laviosa Trimex Industries Pvt Ltd - India
Information given in this bulletin is based on the state of our knowledge at the date of publication and are believed to be accurate but do not constitute any engagement or warranty from our part. Buyers and users should make their own assessments under their own conditions and for their own requirements. Information may be changed without any notice. For mandatory characteristics and performance please refer to our Sale Specifications.

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- Dan Roske Washington
- David Kinowski III North Dakota
- Ted Papousek Illinois
- Christy Marcuccelli Southern Illinois
- Jeff Utley Virginia
- Rocco Gallo Iowa
- Nikki Razik Illinois
Oregon
California
Idaho
Nevada
Arizona
Utah
Montana
Wyoming
Colorado
New Mexico
South Dakota
Minnesota
Wisconsin
Indiana
Michigan
West Virginia
North Carolina
South Carolina
Alabama
Florida
Mississippi
Kansas
Missouri
Nebraska
- David Kinowski III North Dakota
- Ted Papousek Illinois
- Christy Marcuccelli Southern Illinois
- Jeff Utley Virginia
- Rocco Gallo Iowa
- Nikki Razik Illinois
South Dakota
Minnesota
Wisconsin
Indiana
Michigan
West Virginia
North Carolina
South Carolina
Alabama
Florida
Mississippi
Kansas
Missouri
Nebraska