Section 03071 EPOXIES

Section 03071

_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):

D 638 Test Method for Tensile Properties of Plastics

D 695 Test Method for Compressive Properties of Rigid Plastics

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:

1. 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 Corp.'s, 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 F cure.
Flexure Strength	ASTM D 790	11,000 pounds per square inch at 14 days and 77 degrees F cure.
Compressive Strength	ASTM D 695	16,000 pounds per square inch at 24 hours and 77 degrees F cure.
Bond Strength		Concrete shall fail before failure of epoxy.
Gel Time In 5-Mil Film		Four hours maximum at 77 degrees F.
Elongation	ASTM D 638	1 percent minimum at 14 days and 77 degrees F.

_{B. Epoxy Gel: Manufacturers: One of the following, Or Equal:}

1. Sika Chemical Corp.'s, Sikadur 31, Hi-Mod Gel; Euclid Chemical Company, Epoxy Concrete.

C. Epoxy Bonding Agent: Manufacturers: One of the following, Or Equal:

_{1. Master Builders, Inc., Concressive 1001 Liquid LPL.}

2. Sika Chemical Corp.'s, 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:

1. 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.