O'Brill Company

Construction Specialty Suppliers

       6626 N. Milwaukee Ave.

Niles, IL 60714

773-775-1122 or 847-647-0005

FAX 847-647-7819

Since 1967

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Rezi-Weld 1000

 

 

 

NO. 390

REZI-WELD 1000

MULTI-PURPOSE CONSTRUCTION EPOXY
Provides a versatile, medium-viscosity construction epoxy in a unitized color-coded package to reduce job-site confusion.

SEALTIGHT REZI-WELD 1000 Multi-Purpose Construction Epoxy is designed for the majority of bonding, setting, dowelling and concrete rehabilitation projects.

Technical Description
SEALTIGHT REZI-WELD 1000 Multi-Purpose Construction Epoxy is a two-component, 100% solids, medium-viscosity, self-leveling, premium-grade structural epoxy adhesive. It offers high modulus and high strength performance.

REZI-WELD 1000 is VOC-compliant. The product is moisture insensitive and resistant to many chemicals. REZI-WELD 1000 is easy-to-apply.

SEALTIGHT REZI-WELD 1000 offers a unique and innovative unitized packaging concept. It combines 2 properly color-coded, pre-measured, components into an easy-to-handle, single unit along with a handy, wood mixing paddle. The unitized packaging eliminates mishandling and mismatching of the components on the jobsite.

Uses
As a neat mix, REZI-WELD 1000 is used as an adhesive to bond freshly mixed concrete to a sound, hardened concrete base. It also bonds old concrete, metals and other materials to hardened concrete. The neat mix is also used to secure metal anchors, bolts, rebars and dowels in concrete.

A thin film coating sprinkled with sand or grit becomes a durable non-skid pathway.

REZI-WELD 1000 mixed with sand or aggregate at proper levels is an excellent product for minor patching and grouting spalls and defects in concrete pavement.

Advantages and Benefits

bulletMay be extended with sand or aggregates to patch minor spalls and defects in concrete
bulletProvides a non-skid interior or exterior pathway when sprinkled with sand or grit
bulletOffers high-modulus, high-strength and self-leveling characteristics
bulletResists many industrial chemicals and is moisture insensitive
bulletEasy-to-apply
bulletVOC-compliant
bulletFurnished in unique, color-coded, unitized, pre-measured packaging to assure proper mixing eliminates mishandling and mismatching of components

Application Tools


Electric Drill with Jiffy Blade


Stiff Bristle Brush


Mortar Mixer

 
Pointed Trowel

 

Application
SURFACE PREPARATION: Mechanically abrade all surfaces to be bonded. All surfaces to be bonded must be free of standing water and completely clean of dirt, rust, curing compounds, grease, oil, paint, and unsound materials which would prevent a solid bond. Vacuum or blow dust away with oil-free compressed air. Exposed steel should be sandblasted and vacuumed clean.

MIXING: Condition all components to 60 to 85F for 24 hours prior to use. Pre-mix each component. Mechanically mix at slow speed (600-900 rpm) using a drill and Jiffy Blade or drum mixer for 3 minutes or until completely mixed while scraping the sides to ensure complete blending of components.

The mixed product should be uniform gray in color and not show streaks. Avoid air entrapment. Mix only very small quantities by hand for a minimum of 3 minutes or until sufficiently blended together using the supplied stirring stick.

Scrape the sides of the container to ensure complete blending of components. Mix only the amount of epoxy that can be applied within the product's potlife. Potlife will decrease as the ambient temperature and/or mass size increases.

BONDING FRESH CONCRETE TO HARDENED CONCRETE: Use a stiff brush to apply a layer of mixed epoxy to the prepared concrete surface. Spread a thin, uniform coating at a rate of 85 to 100 ft. per gallon (2.09 to 2.70m per liter) not to exceed 1/4" (6.35mm) in thickness.

OTHER BONDING: To bond cured concrete or metal to concrete, apply not less than 1/64" (.40mm) layer to the prepared surface and join together immediately.

AGGREGATES FOR EPOXY-RESIN MORTARS: Combine clean, dry aggregates with freshly mixed epoxy in a ratio of 1 part epoxy to 1 to 4 parts, by volume, of graded dry, clean aggregates. A rotary drum mixer with a stationary paddle is recommended for blending aggregates and epoxy. Apply a thin coat of aggregate-free epoxy to the prepared surface as a primer. Patch thickness should not exceed 1-1/2" (38.1mm) per lift.

METAL ANCHORS IN PREFORMED HOLES IN CONCRETE: Preformed holes should be approximately 1/4" (6.35mm) larger in diameter than the anchor bolt diameter. The depth of the hole should be 10-15 times the bolt diameter. Consult engineer for job specification requirements. Fill the hole about half way from the bottom up and place the bolt, dowel or rebar. Top off with more epoxy and finish.

NON-SKID APPLICATION: Apply mixed epoxy at a rate not to exceed 110 ft per gallon (2.70m per liter). For heavy coverage, apply a layer of sand or grit over the epoxy and allow it to set. Blow away excess sand. NOTE: REZI-WELD 1000 IS NOT TO BE USED AS A FINISHED FLOOR COVERING OR PROTECTIVE TREATMENT.

CLEANUP: Clean tools and equipment immediately with Toluene or Xylene. Clean equipment away from heat, sparks and open flame and avoid breathing vapors or allowing epoxy-containing solvent to contact skin. Should this material come in contact with the skin, wash thoroughly with soap and water, only. Consult MSDS on solvents for proper use and handling.

Packaging

1 quart (.95 liter) Units
1 gallon (3.79 liter) Units
15 gallon (56.85 liter) Units

Specifications
ASTM C 881, Type I & II, Grade 2, Class B & C
AASHTO M 235 Type I & II, Grade 2, Class B & C
USDA Accepted

Shelf Life
Two years in unopened, damage-free containers stored in a dry environment between 40 and 95F (4 and 35C).

Limitations/Precautions
DO NOT DILUTE. Mix complete units only. Surface substrate temperature must be between 40 and 90F (4 and 32C). Do not seal cracks while under hydrostatic pressure.

Unused epoxy will generate excessive heat, especially in large quantities. Unused epoxy should be mixed with dry sand in the container to help lower the heat.

SEALTIGHT REZI-WELD 1000 is not to be used as an exterior coating. In bonding applications, cured epoxy will require mechanical scarification prior to adhering subsequent toppings. This epoxy is corrosive. Personal protective equipment is necessary. Read and follow application information, precautions and Material Safety Data information.

PHYSICAL PROPERTIES
Property
7 Day Cure @ 77F (25C)
Typical Data Test Method
Tensile Strength, psi
Elongation, %
Hardness, Shore D
Flexural Strength, psi
Flexural Modulus, psi
Compressive Yield Strength, psi
Compressive Modulus, psi
Bond Strength, psi (2 days)
Bond Strength, psi (14 days)
Absorption, % (24 hours)
Linear Coefficient of Shrinkage
Bolt Pull Out, max. lbs.
5,300 (36.57 MPa)
1.5
80
5,100 (35.19 MPa)
1.7x10,000,000 (1.17x100,000 MPa)
8,300 psi
3.1x100,000 (2.14x10 MPa)
3,300 (27.77MPa)
3,500 (24.15 MPa)
0.25
0.004
10,000 concrete failure (4,536 kg)
ASTM D 638
ASTM D 638
ASTM D 2240
ASTM D 790
ASTM D 790
ASTM D 695
ASTM D 695
ASTM C 882
ASTM C 882
ASTM D 570
ASTM D 2566
ASTM C 900

Technical Data
Component Properties Resin Hardener
Mix Ratio (PBV=Part by Vol.)
Appearance
Density, lbs./gal. (kg/liter)
Viscosity, cps
Final Color
Pot Life (1 gal. unit)@ 77F (25C)
2.0 PBV
White
12.5 (1.50 kg/liter)
10,000 (mixed)
Gray (mixed)
90 mins.
1 PBV
Black
10.4 (1.25 kg/liter)

Coverage
One gallon (3.8 liters) neat covers approximately 85-100 ft. (2.09-2.70m) depending on the surface porosity and application. One gallon (3.7854 liters) mixed 1:1 with dry aggregate yields approximately 370 cubic inches (6,054cm) of grout.



W. R. MEADOWS, INC. warrants that, at the time and place we make shipment, our materials will be of good quality and will conform with our published specifications in force on the date of acceptance of the order. THE FOREGOING WARRANTY SHALL BE EXCLUSIVE AND IN LIEU OF ANY OTHER WARRANTY, EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ALL OTHER WARRANTIES OTHERWISE ARISING BY OPERATION OF LAW, COURSE OF DEALING, CUSTOM OF TRADE OR OTHERWISE. As the exclusive remedy for breach of this Warranty, we will replace defective materials, provided, however, that the buyer examine the materials when received and promptly notify us in writing of any defect before the materials are used or incorporated into a structure. Three (3) months after W. R. MEADOWS, INC. has shipped the materials, all our Warranty and other duties with respect to the quality of the materials delivered shall conclusively be presumed to have been satisfied, all liability therefore terminates, and no action for breach of any such duties may thereafter be commenced. W. R. MEADOWS, INC. shall in no event be liable for consequential damages. Unless otherwise agreed to in writing, no warranty is made with respect to materials not manufactured by W. R. MEADOWS, INC. We cannot warranty or in any way guarantee any particular method of use or application of the performance of materials under any particular condition. Neither this Warranty nor our liability may be extended or amended by our salesmen, distributors or representatives, or by our distributor's representatives, or by any sales information or drawings.

 

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Copyright 2002 O'Brill Company
Last modified: August 09, 2004