Tubular electric resistance for heating matrixes and molds is designed to dis-pense heat through the pasta, it can only be used fused or fitted in molds and matrixes which are used in machinery machines that work in waterproofing, lighting and machining. Toys and disposable. These molds and matrixs are for molding these plastic and rubber items. Electric resistance for matrixes must not be used out of the template or immersed.