JEA Epoxy Mastic (anti-cavitation erosion)

Material Profile

JEA epoxy mastic (anti-cavitation erosion), a new thin-layer repair material with high strength, impact and abrasion resistance, and firm bonding, is made of modified epoxy resin, curing agent and special superfine filler. Its two-component package can be divided into component A and component B with mix ratio A:B = 3:1. Its performance indicator meets the requirements of enterprise standard Q/WDJC 02-2018 “JEA Epoxy Mastic (anti-cavitation erosion)”.

 

Performance Feature

1. Excellent thixotropic property: It allows for the material of gel state isn’t easy to flow in the static state. Even if it is applied to grooves and holes such as top or side areas, the material won’t produce deformation or sagging and is easy to ensure the construction quality; when subjected to the shear force caused by stirring and extrusion, it shows good fluidity that is easy to apply.

2. Good self-leveling: Shrinkage cavity, scratches and other defects generated in the construction will be self-healing during the curing process, which is easy to ensure the construction quality.

3. Good bonding property: Excellent mechanical property and firm bonding with concrete that is not easy to crack on the bonding surface.

4. Well match with concrete: Low elastic modulus and good flexibility that will improve the impact resistance of the curing system, resist deformation caused by external forces, and won’t induce brittle failure.

5. Nontoxic and pollution-free: Nontoxic and pollution-free materials meet the requirements of environmental protection.

 

Application Field

It is applicable to highly eroded areas such as spillway tunnel, including:

1. Anti-cavitation repair for drainage buildings, including:Repair forthin-layer defects, such as pores, small honeycombs, pockmarks, sand lines on the surface of hydraulic structures.

2. It will reduce the roughness factor of concrete surface, protect the air closure of surge-chamber and the surface of gate pier and bottom plate.

3. Anti-seepage, anti-carbonation protection and appearance rehabilitation works for concrete structures.

 

Construction Technology

Substrate treatment→surface cleaning→point scraping and primer coating→surface scraping and leveling→curing

Material Consumption

Epoxy mastic: 1.2～1.4kg/m2(thickness: 1mm)

 

Package and Storage

1. Package: 10kg/group.

2. It should be kept in room-temperature and dry condition for 12 months and tested according to enterprise production standards when 12 months is expired. If the physical and mechanical properties meet the standards, it can still be used.

3. This product is safe, nontoxic and non-flammable substance that can meet the transportation requirements of civil aviation, railway, highway and others.