Mitsui Chemicals America, Inc. offers two types of UNISTOLE™, which are primers and adhesives mostly composed of liquid modified polyolefins.
- UNISTOLE™ P is a liquid primer for coating and bonding polypropylene (PP) and various engineering plastics, rubber and other materials, which do not readily bond.
- UNISTOLE™ R is a modified polyolefin dispersed in hydrocarbon-based solvent used as an adhesive for bonding metals to polyolefins. This can also be used as a metal coating agent.

These polyolefinic primers and adhesives are used in automotive, packaging and paint applications.
The advantages of using Mitsui Chemicals' line of polyolefinic primers and adhesives are:
- Excellent secondary adhesion
- Exceptional heat resistance and heat resistant adhesion
- Excellent electrical insulating properties
- Enables impact resistance
- Excellent gasoline resistance
- Flexible at low temperatures