770-L
DESCRIPTION SHELF LIFE
Deacon 770-L is a thermal reactive liquid sealing Two years in unopened containers.
compound that is used in high temperature and high-
pressure applications. In the presence of heat
(200ºF+), Deacon 770-L will form a mechanical PACKAGING
(“mechanical type”) seal. Deacon 770-L will not
cement the flanges together, thus, it will not interfere Pint Brush Top, Quart, Gallon.
with future repairs of metal-to-metal joints. Deacon
770-L is unaffected by thermal cycling. INSTRUCTIONS
TEMPERATURE RANGE 1. Surface should be clean and dry (free from oil
or foreign material to ensure proper
200ºF to 950ºF. Customer feedback report sealing/adhesion)
applications in use from 100ºF to 1300ºF +.
2. Apply a thin coat to sealing surface with brush
(if sealing threads, apply only to the male threads)
RECOMMENDED APPLICATIONS
3. Close and tighten joint (torqued to the
Deacon 770-L can be used as gasket dressing to equipment manufacturer’s specifications if sealing a
improve the sealing capability of many gaskets. bolted flange)
Deacon 770-L can also be applied to many types of
gaskets (including spiral wound) to reseal them, 4. Product will cure in service with heat (See
thereby prolonging their useful life. Deacon 770-L Note).
can be used as the only sealant on low-tolerance
metal-to-metal joints.
NOTE
Deacon 770-L is brushed onto the sealing surface in
a complete, uniform, thin coating. Note: Deacon In high pressure applications or when pressure
770-L will flow filling small voids, and surface testing at ambient, it is recommended to pre-cure
irregularities creating a seal between the gasket and with a heat gun, oven, or to dry fire / blow down at
the flange surface where most leak problems atmospheric (running heat without pressure). Unlike
initiate. silicone or epoxy products, our thermosetting
sealants require heat to cure.
TYPICAL APPLICATIONS
CURING
Turbine Split Casing, Any Metal to Metal Joints,
Pump Casing, Leaking Gaskets, Boilers, Threaded The chart below is a general guideline for the time
Fittings, Doors, Steam Traps, Stacks, Sight required for a full cure at various temperatures. A
Glasses, Flanges, Nuts & Bolts, Heat Exchangers, seal will be achieved before a full cure is reached..
Pressure Vessels.
200°F 36 hrs
300°F 12 hrs
FEATURES 400°F 8 hrs
500°F 3 hrs
Ease of application. Achieves seal before full cure.
600°F 2 hrs
Fast, easy repairs. High-pressure tolerance, high
700°F + 1 hr or less
temperature tolerance, and high chemical tolerance.
Solvents, Oils, Steam, Liquors, Hydrocarbons.
Creates a mechanical seal. High wear resistance. * The cure rate of Deacon 770-L can be enhanced by
Unaffected by thermal cycling. Applications as a using Deacon 103-L or Deacon 103-P Accelerator for
gasket dressing. Deacon 770-L improves the sealing applications under 600ºF. With Accelerator, a full cure
capability of many gasket materials. would be expected in 2-3 hours at 250ºF or 30-60
minutes at 400ºF.
www.deaconindustries.com
FOR INDUSTRIAL USE BY PROFESSIONALLY
TRAINED PERSONNEL ONLY.
CONSULT SDS & TECH SHEET FOR ALL SAFETY,
TECHNICAL, & WARRANTY INFORMATION BEFORE
USE. NOT RECOMMENDED FOR USE ON NUCLEAR
APPLICATIONS
LIMITED WARRANTY
For warranty information please visit
http://www.jetlube.com/pdf/Limited_Warranty
_At_Delivery_Deacon.pdf You can also email us
at sales@deaconindustries.com or write to the Sales
Department at the address below.
www.deaconindustries.com
