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Water Swelling Rubber Sealing Materials

HYDROTITE

HYDROTITE HYDROTITE is a chloroprene rubber based hydrophilic water sealing material which has excellent long-terms durability and good chemical resistance.
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Characteristics

-Double packing effect with compression and expansion
-Good resistance to deformation
-Excellent workability
-Excellent durability
-Excellent chemical resistance

Physical properties

■Super-low expansion grade

Test item Test method In-house standard
Unit Hydrophilic rubber Non-hydrophilic rubber
Hardness JIS K 6253 － A40+/-5 A45+/-5
Tensile strength JIS K 6251 MPa more than 3.9 more than 3.9
Elongation JIS K 6251 % more than 600 more than 500
Expansion rate In-house test* % more than 100 －

* Expansion condition is at 23C in distilled water for 28days.

■Low expansion grade

Test Item Test method In-house standard
UNIT Hydrophilic rubber Non-hydrophilic rubber
Hardness JIS K 6253 － A50+/-5 A50+/-5
Tensile strength JIS K 6251 MPa more than 3.9 more than 8.8
Elongation JIS K 6251 % more than 600 more than 400
Expansion rate In-house test* % more than 200 －


■High expansion grade

Test Item Test method In-house Standard
Unit Hydrophilic rubber Non-hydrophilic rubber
Hardness JIS K 6253 － A50+/-5 A50+/-5
Tensile strength JIS K 6251 MPa more than 2.9 more than 8.8
Elongation JIS K 6251 % more than 600 more than 400
Expansion rate In-house test* % more than 500 －

Product code and application

Item code Expansion grade Shape/ Structure Main application
SS high expansion rectangular/ mono precast segment
DSS high expansion rectangular/ dual precast segment
SST low expansion rectangular/ mono precast segment
RS high expansion ribbed/ mono water sewage tunnel
RST low expansion ribbed/ mono water sewage tunnel
DS high expansion ribbed/ dual subway/ road tunnel
DST low expansion ribbed/ dual subway tunnel
RSS high expansion round/ mono culvert/ gap repair 

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