JCC FLEX 300 PU
Pitch polyurethane joint sealant for horizontal and vertical joints
JCC FLEX300PU is a two component solvent free high grade polyurethane based sealant with
high grade pitch which cures to form flexible seal for vertical and horizontal joints with excellent
recovery properties. J.C.C-FLEX300PU is supplied as a black .gun grade sealant.
JCC FLEX300PU is used for sealing both vertical and horizontal joints when the amount of
expected movement or other performance requirements are high. JCC FLEX300PU is used for
joint in building and construction above or below ground, for sea walls, subways, multi storey
buildings .bridges. Also for joints subjected to fuel chemicals attacks as in sewage projects,
reservoirs, and swimming pools.
JCC FLEX 300 PU
▪ Excellent adhesions to all materials applied in building construction projects.
▪ Excellent elastomeric and recovery properties.
▪ Good resistance to chemicals and fuels.
▪ Wide range of operating temperatures.
▪ High resistance to weathering, ultraviolet rays.
▪ Resistance bio-degradation in sewage treatment.
Consistency Gun grade
Solid content 100 %
Specific Gravity 1.45-1.50
Pot life @ 25 °C 2 hours
@ 35 °C 60 minutes
Tack free time @25 °C 24 hours
@35 °C 12 hours
Mixing ratio (A: B) by weight 8A: 1B
Final setting 7 days
Hardness (shore A) 40-50
Elongation @break 100%
Health and Safety
Health & Safety
JCC FLEX300PU is non-toxic, should not contact with skin and eyes or be swallowed .avoid
inhalation of vapors and ensure adequate ventilation .wear suitable protective clothing, gloves .in
case of contact with eyes rinse immediately with plenty of clean water and seek medical advice.