Introduction
Darbond 2598 is a one-component, de-oxime, room
Temperature vulcanizing silicone sealant. The product has
Properties of no corrosion, low odor, low volatility, good
Lubricant oil resistance and weatherability. It can be applied by
Manual dispensing gun.
T ypical Applications
Mainly used for motive power machine, such as automotive,
Engineering machinery, internal-combustion, mining
Machinery; Also can be used for joint surface sealing of water
Pump, valve and elctrical equipment parts.

T ypical Propertiesof Uncured Materials
T ypical V alue Range
Appearance Black paste
Basis material Polysiloxane
Extrusion Rate (g/min) 300
(GB/T13477.4-2002)
Specific Gravity (g/cm
3
) 1.26 1.20-1.30
(GB/T13477.2-2002)
T ack Free Time (min) 19 8-30
(25, 50%RH )
(GB/T13477.5-2002)
Max. Gap Fill (mm) 6
T ypical Propertiesof Cured Materials
Vulcanizing depth at room temperature (mm/24h)
2
T ensile Strength (MPa) 1.8
(GB/T528-1998)
Elongation atbreak (%) 340
(GB/T528-1998)
Hardness (Shore A) 35
(GB/T531-1999)
Directions for Use
Remove the damaged part, burs and remained gasket
Carefully.
The dispensing surface should be clean and free of grease.
It is recommended to use Darbond high ef ficiency metal
Cleaner2755.
Dispense sufficient silicone sealant to one surface to make
A close strip, modify or assemble within tack free ti me.
Cautions
Keep out of reach of children.
The product will release methyl ethyl ketoxime, which may
Slightly irritate skins and eyes, so it is recommended to use
The product at well ventilated place.
In case of contact with skin, wipe away, then rinse with
Clean water immediately; In case of contact with eyes, rinse
With clean water immediately and call aphysical attention.
More details, please refer to MSDSof this product.
Package
Item No.: 259802, 85g/tube
259805, 310ml/cartridge
Storage
Stored in a cool and dry location in unopened containers at
8-28.
Shelf life is12 months.