Sri Vasavi Pigments NUCLEATING AGENT MB 02(SV 91B002 NU)

Nucleating agents are sorbitol-based clarifying agents for polypropylene that are used for increasing the transparency in PP molded products.

Its nucleating activity results in the formation of spherulites (spherical semi crystalline regions inside non-branched linear polymers) that are less than 1 micron in size; this is when non-nucleated products’ spherulites are larger than 20 microns.

This reduction in size brings about improvements in properties of PP including –

• Better transparency
• Better mechanical properties viz., hardness, Tensile strength, elongation, elastic modulus and impact strength
• Higher crystallization temperature – this results in shorter processing time, faster cycles and therefore higher output and productivity – essentially, lower production cost

PP containing nucleating agent is recommended to be processed at a melt temperature of 230-240 deg. Celsius and with maximum back pressure in the injection molding machine.Our nucleating and clarifying masterbatches for Polypropylene give the highest clarity, gloss and smoothness. They can be used in a wide range of PP applications at different temperatures. As they do not affect food stuffs in packaging, they can be used in food contact applications as well. Third generation sorbitol derivative nucleating agents are used for this masterbatch.