Mastic Sealant

FOB Price: US $0.5 - 1 / Piece | Get Latest Price
Min.Order Quantity: 100 Carton/Cartons
Supply Ability: 1000 Carton/Cartons per Day
Port: Shanghai / Ningbo
Payment Terms: L/C,D/A,D/P,T/T
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Quick Details

Other Names:
epoxy putty
Place of Origin:
Zhejiang, China (Mainland)
Double Components Adhesives
Main Raw Material:
Construction, Packing, Transportation
Brand Name:
Model Number:
2 in 1

Packaging & Delivery

Packaging Details: tube 58g
Delivery Detail: 30 days


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


Excellent Insulator.


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/cm3               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




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)







Not exactly what you want? 1 request,multiple quotations Get Quotations Now >>
Join Leader Adhesive Co., Ltd., a leading professional manufacturer & marketer of quality adhesives & sealants, is always dedicated to the research and development of various functions and applications in adhesives for last 17 years. Join Leader commits itself to provide more economical, professional, convenient application products, services and solutions to meet the ever-increasing demand in Construction, Industry, Automobile, DIY and other areas. Meantime, in all our products and s... View detail

Basic Information

Business Type: Manufacturer, Trading Company  
Main Products: Silicone Sealant,Gasket Maker,White Glue,Acrylic Sealant,Epoxy Adhesive,Silicone Rubber Tape,Super Nail(Not Hazardous Chemicals)  
Number Of Employees: 101 - 200 People  

Trade & Market

Main Markets: South America
Mid East
Domestic Market
South Asia
Northern Europe
Western Europe
Southeast Asia
Southern Europe
North America
Eastern Europe
Central America
Total Annual Sales Volume: USD 31,920,335  
Export Percentage: 81% - 90%  
Trade Shows: 117th canton fair    

Factory Information

Factory Size (Sq.meters): 5,000-10,000 square meters  
Factory Location: Zhabei Village, Hezhuang Street, Xiaoshan District, Hangzhou City, Zhejiang Province, China  
No. of Production Lines: Above 10  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: 5 - 10 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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How It Works

Verified Supplier - Join Leader Adhesive Co., Ltd.
China (Mainland) | Manufacturer, Trading Company | Contact Details
Key Strengths: Assessment Report by Bureau Veritas
Top 3 Markets: South America 25.12%, Africa 22.87%, Oceania 16.23%
Experience: Established 2005

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