Epoxy.com Product #459

Polyurethane Flexible Membrane

DESCRIPTION

Epoxy.com Product #459 is a two component, high solids, elastomeric urethane used in waterproofing applications.Epoxy.com Product #459 exhibits excellent elongation properties along with high tensile strength and tear resistance to make it an ideal crack resistant membrane for use under other Epoxy.com flooring systems. Epoxy.com Product #459 is also used with Epoxy.com Elastomeric Systems.

ADVANTAGES

Bridges Hairline Cracks
Resistant to Automotive Fluids
Quick Cure Time
One Coat Application
Low Odor

Epoxy.com Product #459 is packaged with 41.5 pounds of Part A in a 6-gallon pail and 6 pounds of Part B in a gallon can to make a convenient 5-gallon unit.

CONSIDERATIONS

Slabs on Grade Must Have an Efficient Vapor/Moisture Barrier
Substrate Must be Free of Curing Agents and Other Foreign Materials\
Minimum Application Temperature of 50�F
Proper Respiratory Equipment Must Be Used When Required
Do Not Apply Epoxy.com Product #459 to Wet or Damp Surfaces

TECHNICAL DATA

Color	Grey
Mix Ratio
by volume by weight	6.6 parts A - 1 part B 100 parts A - 13 parts B
Solids Content, by volume	96%
Weight per Gallon, mixed	9.16 lbs
Pot Life	30 mins @ 77�F, 50% RH
Re-Coat Time	6 - 8 Hours

PERFORMANCE PROPERTIES

Tensile Strength ASTM-D-412	1500 psi
Ultimate Elongation ASTM-D-412	350-400%
Adhesion (unprimed) ASTM-D-904	60 pli
Hardness Shore A ASTM-D-2240	70-80
Impact Resistance ASTM-D-2794	160 In. lb.

APPLICATION

SURFACE PREPARATION

Prepare surface in accordance with Epoxy.com Surface Preparation Guide New concrete must be cured at least 30 days. All con�crete curing compound must be mechanically re�moved, along with any foreign material. Old concrete must be structurally sound and prepped according to guidelines.

PRIMING

Prime where necessary with Epoxy.com Product #899 Primer. Mix two (2) Parts A and one (1) Part B by volume with low speed drill for two min�utes minimum. Apply with squeegee, brush, or roller. Do not puddle. Spread rate is approximately 250sq.ft./gallon.

INSTALLATION

Mix 6.6 Parts A to one (1) Part B by volume or 100 Parts A to 13 Parts B by weight using a low speed drill for 3 - 5 minutes. Epoxy.com Product #459 can be applied by using a roller, air brush, spray, or notched squeegee at a rate of 50 to 55 square feet per gallon to yield 28 to 30 dry mils.

CLEAN-UP

Clean tools with xylene or lacquer thinner.