This master batch is an ideal solution to dissuade rodents from biting polymers. They work by taking advantage of the creatures' instinctive avoidance to certain smells and taste found in nature. The natural plant oils act as dissuaders that change the behavior of the insects and rodents from attacking, damaging and destroying valuable iteams. There is no danger of fire occurring by electric short circuit caused by rodent. It is compatible with most of polymers and also economical.