Nano Calcium Carbonate , Nano Precipitated Calcium Carbonate , Nano CaCO3 NCC-501 for natural and synthetic rubbers

Application of Nano Calcium Carbonate NCC-501:

Nanoscale calcium carbonate has the characteristics of superfine, ultra pure, in the process of production to effectively control the morphology and particle size, and has carried on the surface modification, so its spatial structure in the rubber, but also has good dispersibility and can improve the material of the reinforcing effect.

Nano calcium carbonate, such as chain in rubber mixing, the chain of the chain is broken, can form a large number of highly active surface or highly active point, with their long rubber chain form key links, not only good dispersibility, and greatly enhance the reinforcing effect.

It is worth noting that it can not only be used as a reinforcing filler, but also can be used in combination with other filling materials, such as carbon black, white carbon black, light calcium carbonate and heavy calcium carbonat, titanium dioxide, clay and so on, to achieve the reinforcement, filling, toning, improved processing technology and improve product performance and decrease the rate of gel or partly replace white carbon black, titanium dioxide, etc. 

Basic knowledge of Nano Calcium Carbonate:

Particle size: nanometer calcium carbonate particle size is not as small as possible! 

According to the classical nucleation theory, the critical nucleus, exist in the process of all other nuclear only radius r is greater than the critical nucleation radius r * of the embryos, can continue to grow, to reduce free energy, and eventually form a stable nucleus; If r is less than r star, it will dissolve. In addition, nucleation rate is the main factor determining the particle size and distribution.

Relevant studies show that when the particle size is below 100nm, it has a reinforcing effect. When the particle size is 5-20nm, it has better reinforcing effect. Because nanometer calcium carbonate is stronger than the surface can cause the reunion of particles, the smaller the particle size, the more serious the reunion. So, the particle size is larger.

The 40nm calcium carbonate product, the dispersity is relatively better. For plastic processing,

Products are often not very well used, and may even be worse than normal light calcium. Jane and Key quantitative indicators to evaluate the quality of the nano calcium carbonate should not be big, fundamental particles, key quantitative indicators to evaluate the quality of the nano calcium carbonate should not be big its fundamental particles dispersed in polymer matrix. Small, but small, but the dispersion of the dispersed state of the polymer in the polymer matrix.

Specifications of Nano Calcium Carbonate NCC-501:

Packing and storage of Nano Calcium Carbonate NCC-501:

25kgs woven bag with plastic film inner, Keep in a tightly closed container, stored in a cool, dry, ventilated area.

Shelf life of Nano Calcium Carbonate NCC-501:

At least 2 years when stored in sealed packing under above mentioned conditions