Hot melt will yellow with time, but will do so more slowly than natural rubber tape. Acrylic Acrylic is the medium priced pressure sensitive tape and features excellent clarity and resistance to yellowing. It may be applied in temperatures ranging from 32-140 degrees, is a great general purpose tape and is the favorite when carton appearance is an important consideration. Natural Rubber BrassPack's natural rubber tape has a strong PVC backing which is very quiet coming off the roll and accepts magic marker on the surface of the tape without smearing. Natural rubber tape is darker than acrylic or hot melt tape and yellows as it ages.
Natural rubber is the most expensive pressure sensitive tape available.
Your heavy duty jobs are best handled by fiberglass reinforced tape, while lighter cartons are easily handled by the less expensive non-reinforced tape. Water activated tape is unaffected by heat, cold, light or humidity and works well in dusty and dirty environments.