1. 2 in 1 component
2. Mixes like putty, hardens like steel
3. Can be drilled, tapped, sanded or filed when cured
JOINTITE 550 Mastic Sealant
JOINTITE 550 Epoxy Putty Stick is a newly developped 2 in 1 epoxy putty with an advanced, high strength formulation. It is easy to use and is suitable for many applications.
JOINTITE 550 Epoxy Putty Stick is fireproof and resistant to solvents and chemicals. It does not shrink or warp. Cured putty may be drilled, scanded and painted.
JOINTITE 550 Epoxy Putty Stick can withstand high temperature of up to +160°C ( +320°F ) ,and can be used under water.
Mixes like clay...hardens like steel!;
Easy to mix with no measuring and weighing;
Good “feel”...mixes easily, smooth into place with your wet fingertips;
Will not drop, slump, sag or flow when use;
Will not shrink when curing;
Good adhesion on many materials;
Bonds well into wet surfaces;
Can be painted, sanded, machined, tapped, or drilled; Withstand high temperature of up to +160°C ( +320°F ) .
Long Pot Life.
Can be used under water.
As Supplied – tested at 23 °C±2 °C, RH50%±5%:
Item Data Standard
Aspect: Green(resin, outer) and White(hardener) Putty
Odor: Slight odor
Gravity, g/cm 3 1. 7 ~1. 9
Open Time, min. 30~60 GB/T 13477.5-2002
Totally Cured Time, H 24
Service Temp, °C -40 ~+160
Application Temp, °C +5~+50
As Supplied – tested at 23 °C±2 °C, RH50%±5% 7 days :
Color after Cured Grey
Hardness Shore A: ≥80 ASTM D-2240-050
Volatile Content, % < 1
Volatile by volume, % < 1
Specific Gravity: 1.7~1.9
Compressive Strength, MPa ≥70 ASTM D-695
Tensile Strength, MPa ≥22 ASTM D-638
Flexural Strength, MPa ≥4 ASTM D790-03
Bond Strength Metal, MPa ≥2.2 ASTM-D-1002
Electrical Insulation, KV/mm ≥10 ASTM-D-149
JOINTITE 550 Epoxy Putty Stick is a two-part epoxy putty stick that bonds, seals, leaks and repairs, gouges in steel, aluminum, wood, fiberglass, pipes, porcelain, gasket, hot hubs, heads, headers, manifolds.
JOINTITE 550 Epoxy Putty Stick can fixes leaky gas tanks without draining. And use to fill cracks and holes or to patch dents and scratches.
JOINTITE 550 Epoxy Putty Stick is ideal for do-it yourself work and all kinds of repairs at home like doors, hinges, latches, patch concrete, repair tool handles, swimming pools SHELF LIFE
24 months in unopened packaging in a cool and dry storage place at temperatures between +5°C and 25°C.
Green (resin, outer) and White (hardener).
Also we can produce the sealant with special color upon customers' requirement.
Tube: 24g (Resin+Hardener)
Tube: 57g (Resin+Hardener)