Talc - ( Mg3 Si4O10 (OH)2 ) - Magnesium Silicate  

Talc is a kind of magnesium silicate mineral which is used in the industry because of its both superior physical properties and the advantages it provides in the places where it is used. Thanks to its flat, leafy structure, it has very high resistance to heat, electricity and acid. The end uses for talc are determined by variables such as chemical and mineralogical composition, particle size and shape, specific gravity, hardness and colour.

• Talc in Thermoplastics 
  

Talc increases the modulus of elasticity of PP compounds; thereby rigidity of the structures increases. The addition of mineral fillers generally does not increase the impact resistance. However, there are exceptions such as the use of 5% to 10% fine talc in PP. It is important that the parts are dimensionally stable and show as little shrinkage as possible after the moulding. The same applies to Thermal Expansion where the talc allows for dimensional stability. The pure, soft talc acts as a lubricant, thereby reducing the mechanical effect of scratching. Talc provides higher thermal conductivity than polymers. Heating and cooling of the compounds is accelerated, cycle times are reduced and productivity is improved. The lower the hardness of the talc causes the lower the wear values and thus the longer the tool life during the process. Particularly pure, thin, lamellar Talc significantly improves the frictional resistance of polymers. 

• Talc in Paint 
  

Although the talc is hydrophobic, it is readily dispersed in aqueous and solvent based coatings. Due to its leafy structure, it has a beneficial effect on dye rheology and helps to suspend all other additives including pigment in paint. It also improves the toughness and overall durability of paint films. The talc plates are aligned with the flow of the coating so that they became parallel to the substrate in the dry film. This naturally reinforces the dry coating film naturally due to its width- height ratio by developing a resistance against water and moisture by generating a physical barrier to the contamination of moisture. This reinforcement makes the film more resistant to cracking or breakage against stretching and bending. 

Although the talc is hydrophobic, it is readily dispersed in aqueous and solvent based coatings. Due to its leafy structure, it has a beneficial effect on dye rheology and helps to suspend all other additives including pigment in paint. It also improves the toughness and overall durability of paint films. The talc plates are aligned with the flow of the coating so that they became parallel to the substrate in the dry film. This naturally reinforces the dry coating film naturally due to its width- height ratio by developing a resistance against water and moisture by generating a physical barrier to the contamination of moisture. This reinforcement makes the film more resistant to cracking or breakage against stretching and bending. 

Field of Applications 

• Paint
  
• Rubber
• Ink
  
• Paper
  
• Ceramic
  
• Thermoplastic compound
  
• Insecticide in agriculture 
  
• Fertilizer 
  
• Cosmetics
  
• Food
• Automotive