DESCRIPTIONS
Darbond 2587 is one component, room temperature Moisture vulcanizing neutral silicone flange sealant with Thixotropic viscosity. This type is for general purpose. It has Good properties of low odor, low toxicity, weather and Chemical resistance.

TYPICAL APPLICATION
2587 is designed for flange sealing and bonding for motive Power machines, such as automobile, engineering machines, Internal combustion engine, mining machines etc which are Pressing and with large gaps.

TYPICAL PROPERTIES OF UNCURED MATERIALS
T ypical value Range
Color ^ ^ ^^...Blue
Main chemical^ ^ Polysiloxane
Extrusion Rate25, g/min^. ^. 245
(GB/T13477.4-2002)
Specific gravity g/cm
3
(GB/T13477-2002)
1.27 1.22~1.32
Max Gap fill mm ^...6
T ack free time min^...18 5-30
(@25, relativehumidity50%)
TYPICAL PROPERTIES OF CURED MATERIALS
Curing speed at room temperature 2mm/24h
T ensile strength (MPa) 1.7
(GB/T528-1998)
Elongation (%) 280
(GB/T528-1998)
Hardness (shore A) 35
(GB/T531-1999)
Working temperature -54~210
Jun. 16, 2012

SOL VENT/TEMPERATURE RESIST ANCE
Aged under conditions indicated and tested at25.
Properties Initial V alue 50W40oil 200(125, 24h) 168h
T ensile strength 1.7 1.6 1.9
(Mpa)
Elongation 280 300 260
(%)
Hardness 35 33 37
(shore A)

DIRECTIONS FOR USE
For best performance, the surface should be clean and free From grease. It is recommended to use Darbond high Efficiency metal cleaner2755.
Dispense sufficient silicone sealant to one surface to make a Close strip, modify or assemble within tack free time.

NOTICE
The adhesives may be irritating to skin and eyes. In case Contact skin, wipe off the adhesives with coal oil and then Rinse with clean water.
It' s not suitable to use the adhesives under environment rich Of oxygen.
It' s not suitable for medium sealing, such as hydrochloric Acid, nitric acid and vitriol.

STORAGE
Store product in the unopened container in a cool and dry Location at temperature8~28.
The shelf life is12 months.