株式会社中興商事
CHUKO SHOJI CO., LTD.
CHUKO SHOJI CO., LTD.
Substitute for SUMICO Molytone CK, SUMICO Molytone CK-S.
C・K-LUBE GCG-10/ is a gas cock grease formulated with molybdenum disulfide（MoS2) that is designed to form a thick oil film in consideration of the difference between different metals in terms of thermal expansion coefficient and long-term dimension change.
Ideal for cocks consisting of a copper handle and aluminum body.
C・K-LUBE CGC-11 is a gas cock grease formulated with molybdenum disulfide（MoS2) that exhibits excellent gas resistance, as well as torque maintenance, sealing and wear prevention effects, on a sustainable basis.
Ideal for cocks consisting of a copper handle and copper body.
Main performance
| Tests | Method | C・K-LUBE GCG-10 | C・K-LUBE GCG-11 |
| Penetration | 25℃ Worked |
358 (No.0) |
323 (No.1) |
| Oil separation(mass%) | 100℃, 24hrs | 0.8 | 0.3 |
| Copper corrosion | 100℃, 24hrs | Pass(1b) | Pass(1b) |