Denka Hardloc

Supplier : DENKA


HARDLOC is a structural two-part type modified acrylate adhesive which has high impact resistance, and which was developed using DENKA’s original technology.

HARDLOC has excellent adhesive qualities on various materials including metals, ceramics, and plastics, and it is widely used as an adhesive alternative to sheet metal welding. It also copes with a wide range of designs such the joining of different materials.

Unlike traditional structural adhesives, HARDLOC cures at room temperature, which significantly improves work efficiency, as there is no need for heating equipment.

DENKA has also developed UV curing adhesives for optical-use and two-part type polyurethane(PU) adhesives to satisfy various needs. Various application devices have also been developed to enable users to obtain the optimum performance from these adhesives.


This adhesive, used for structural components in construction field, sets at room temperature in only a few minutes, and has high-impact strength. It is very useful for bonding with metal parts since it has excellent workability.


  • It is comprised of acrylic resin and acrylic olygomer (rubber), for strength and tenacity.
  • It is well balanced, offering excellent adhesive characteristics. (shear, impact, peeling)
  • Extremely workable. (normal temperature quick-hardening type, ready for rough 2-component mixing ratio, adhesive on oily surfaces, etc.)
  • Available in low odor as well as heat-radiation and flame-retardant types


  • Sheet metal adhesion (substitute for welding in elevators, metal construction materials, cubicle assembly, etc.)
  • Adhesion of electronic components, like speakers, motors, etc.
  • Assembly of golf clubs, etc.


UV light curing adhesives(Polyene-Polythiol)
An enethiol resin-based UV hardening type adhesive for optical use, developed through our proprietary technologies. Offers excellent optical performance, and is used for pasting and adhesion of optical paths for lenses and prisms in optical equipment.


  • Hardened substances have flexibility, ensuring minimal distortion of the adhered object.
  • No hindrance to hardening, as caused by oxygen.
  • Similar optical characteristics to glass.


  • Adhesion of optical paths for lenses/prisms made of optical glass.


UV light curing adhesives(Acrylate)
A UV hardening type adhesive using acrylic resin . Quick hardening by UV irradiation is obtained, thereby contributing to labor saving such as reduced production lines, etc. For hardening portions where UV light is not applicable, double hardening function type such as UV heating, 2-liquid UV, etc. are also available.


  • UV quick-hardening, 1-liquid type, solvent-free, high heat resistance, high durability.


  • Adhesion of optical paths for lenses/prisms made of optical glass.
  • Adhesion of fixed industrial art glass.