EPOXIES

EPOXIES


PART 1 - GENERAL

1.1      THE REQUIREMENT

A. The Contractor shall furnish and apply epoxy, epoxy gel, and epoxy bonding agent in accordance with the provisions of the Contract Documents.

1.2 REFERENCE SPECIFICATIONS, CODES, AND STANDARDS

A. American Society for Testing and Materials (ASTM)
1.         D 638 - Test Method for Tensile Properties of Plastics.

2.         D 695 - Test Method for Compressive Properties of Rigid Plastics.

3.         D 790 - Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials.

1.3      SYSTEM DESCRIPTION

A.         Performance Requirements

1. Provide epoxy materials that are new and use them within shelf life limitations set forth by manufacturer.

2.         Perform and conduct work of this Section in neat orderly manner.

1.4      SUBMITTALS

A.         Product Data: Submit manufacturer's data completely describing epoxy materials.

B.         Quality Control Submittals: Manufacturer's installation instructions.

PART 2 - PRODUCTS

2.1      MATERIALS

A.         Epoxy: Water-insensitive two-part type low viscosity epoxy adhesive material containing
100 percent solids and meeting or exceeding following characteristics when tested in accordance with standards specified: Manufacturers: One of the following or equal:

1.         Master Builders, Inc., Concressive Standard LVI.

2.         Sika Chemical Corporation, Sikadur 35 Hi-Mod LV.


Physical
Characteristic
Test Method
Required Results  
Tensile Strength ASTM D 638 8,000 pounds per square inch at 14 days
and 77 degrees Fahrenheit cure.  
Flexure Strength ASTM D 790 11,000 pounds per square inch at 14 days
and 77 degrees Fahrenheit cure.  
Compressive Strength ASTM D 695 16,000 pounds per square inch at 24 hours
and 77 degrees Fahrenheit cure.  
Bond Strength Concrete shall fail before failure of epoxy.  
Gel Time In 5-Mil Film Four hours maximum at 77 degrees
Fahrenheit.  
Elongation ASTM D 638 1 percent minimum at 14 days and
77 degrees Fahrenheit.

B.         Epoxy Gel: Manufacturers:  One of the following or equal:

1.         Sika Chemical Corporation, Sikadur 31, Hi-Mod Gel.

C.         Epoxy Bonding Agent: Manufacturers:  One of the following or equal:

1.         Master Builders, Inc., Concressive 1001 Liquid LPL.

2.         Sika Chemical Corporation, Sikadur 32, Hi-Mod.

PART 3 - EXECUTION

3.1      INSTALLATION

A. Install and cure epoxy materials in accordance with manufacturer's installation instructions.

B.         Epoxy: Apply in accordance with manufacturer's installation instructions.

C.         Epoxy Gel

1.         Apply in accordance with manufacturer's installation instructions.

2.         Use for vertical or overhead work, or where high viscosity epoxy is required.

3.         Epoxy gel used for vertical or overhead work may be used for horizontal work.

D.         Epoxy Bonding Agent

1.         Apply in accordance with manufacturer's installation instructions.

2. Bonding agent will not be required for filling form tie holes or for normal finishing and patching of similar sized small defects.

END OF SECTION