Waterstops and Flexible joints for construction
![Span Seal photo](https://www.hrc.co.jp/wp-content/img/product/span.jpg)
Span Seal
Nonvulcanized butyl rubber water stop
![Span Seal crack inducers photo](https://www.hrc.co.jp/wp-content/img/product/crack_inducers_en.jpg)
Span Seal crack inducers
Waterproof crack inducer
![Santac Waterstop photo](https://www.hrc.co.jp/wp-content/img/product/expansion_waterstop.jpg)
Santac Waterstop
Expansion waterstop (earthquake resistant type)
![For pipes image](https://www.hrc.co.jp/wp-content/img/product/cap.jpg)
For pipes
Water stop flexible joint for maintenance hatch
![Santac L type waterstop photo](https://www.hrc.co.jp/wp-content/img/product/lsisui.jpg)
Santac L type waterstop
Enpantion joint waterstop
![Santac Flexible Joints image](https://www.hrc.co.jp/wp-content/img/product/joint-repair.jpg)
Santac Flexible Joints
Post-construction type waterstop flexible joint systems
Industrial materials
![Otonashi-Kun image](https://www.hrc.co.jp/wp-content/img/product/otonashikunen.jpg)
Otonashi-Kun
Sound proofing(Sound insulation for piping)
![MTS image](https://www.hrc.co.jp/wp-content/img/product/mts.jpg)
MTS
Sound insulation rubber sheet
![Hayadamper image](https://www.hrc.co.jp/wp-content/img/product/hayadamper.jpg)
Hayadamper
Restraint type damping material
![Santac Sealer photo](https://www.hrc.co.jp/wp-content/img/product/sealer2.jpg)
Santac Sealer
Butyl rubber sealant
![Santac S / Santac CS photo](https://www.hrc.co.jp/wp-content/img/product/santac_s_cs.jpg)
Santac S / Santac CS
Sandblasting protective sheet
Functional materials
![hayabeads photo](https://www.hrc.co.jp/wp-content/img/product/hayabeads.jpg)
Hayabeads
Functional fine particles
![UV ink photo](https://www.hrc.co.jp/wp-content/img/product/uvink.jpg)
UV ink
Ultraviolet (UV) curing screen printing ink
![OP coat photo](https://www.hrc.co.jp/wp-content/img/product/opcoat.jpg)
OP coat
Ultraviolet (UV) curing PE tube coating
![Santac LB Sheet photo](https://www.hrc.co.jp/wp-content/img/product/lbsheet.jpg)
Santac LB sheet
Double sided Adhesive Tape for Laser Bonding
![HAYATONE MB photo](https://www.hrc.co.jp/wp-content/img/product/hayatone_mb.jpg)
HAYATONE MB
UV cured Mask
Products for radioactive environments
![Radiation resistant rubber photo](https://www.hrc.co.jp/wp-content/img/product/radiation_en.jpg)
Radiation resistant rubber
Radiation resistance environment products
![Radiation shielding photo](https://www.hrc.co.jp/wp-content/img/product/radiation_shield_en.jpg)
Radiation shielding
Rubber shielding