The Industrial Design consists of the features of shape, pattern, ornament and configuration of the adapter for an applicator for multi-components substances shown in the drawings.Fig. 1 is rear view of the adapter for an applicator for multi-components substances, illustrating the present design;Fig. 2 is a bottom view of the adapter for an applicator for multi-components substances as shown in Fig. 1;Fig. 3 is a front view of the adapter for an applicator for multi-components substances as shown in Fig. 1;Fig. 4 is a left side view of the adapter for an applicator for multi-components substances as shown in Fig. 1;Fig. 5 is a top perspective view of the adapter for an applicator for multi-components substances as shown in Fig. 1;Fig. 6 is a bottom perspective view of the adapter for an applicator for multi-components substances as shown in Fig. 1;Fig. 7 is a right side view of the adapter for an applicator for multi-components substances as shown in Fig. 1; andFig. 8 is a top view of the adapter for an appl
