The addition of Polyvel CR5 & CR5P peroxide concentrate is a versatile and cost effective means of increasing the melt flow properties of polypropylene compounds.

By increasing the flow properties, an injection molder is able to reduce processing temperatures during molding. With reduced process temperatures, the time required to cool the finished part is significantly reduced. With the reduction of cooling time, cycle times are reduced, increasing productivity.

Increased flexibility in parts and mold design are possible when using CR5 & CR5P peroxide concentrate as well. Thinner and more complex parts can be designed and manufactured at lower process temperatures. Molds can be designed and built having a greater number of cavities, since flow properties can be adjusted by adding CR5 or CR5P to the polypropylene compound.

Note: Polyvel CR5 is recommended for use in polypropylene and polypropylene compounds that would be used in food contact applications.

Polyvel CR5P is recommended for non food applications and is the most effective in these areas.

	CR5	CR5P
Physical Form	Off-white Pellet	Off-white Pellet
Additive	Peroxide*	Peroxide**
% Active Additive	5%	5%
Softening Point	125° C	125° C

*2, 5 Dimethyl - 2, 5 - di(t-butylperoxy) hexane
** 1, 3 bis(ter butylperoxy - isorpopyl) - benzene