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NW 'Z' GRADE is a tenacious waterproofing coating designed especially for concrete and wood decks, walkways and stairways. Using state-of-the-art technology, NW 'Z' GRADE possesses a unique combination of superior strength and waterproofing abilities. It may also be used in marine, off-shore and sports facilities to provide a tough, damage-resistant, protective finish that will remain fully functional and attractive.

 

NW 'Z' GRADE was tested for conformance to industrial standards to meet the approval of the Sealant, Waterproofing and Restoration Institute (SWR Institute). This product was validated using third party verification to certify that it performed above industry standards. NW 'Z' GRADE has been used successfully many times to protect and restore fiberglass (G.R.P.) structures including waterslides and boat hulls that are exposed to constant or intermittent submersion.

 

OUTSTANDING FEATURES:      

§         Can be used over concrete, wood, metals, masonry, fiberglass, rubber and other surfaces

§         Produces a fully adhered, seamless, high density, vapor retardant, waterproofing membrane

§         Protects substrate against corrosion, abrasion, impact and puncture

§         Scrubbable and easy to clean

§         May be applied straight out of the container by brush, roller or airless spray

§         Ideal for vertical, pitched and horizontal surfaces

§         May be modified with Clearcoat 44 or Clearcoat 66 for enhanced traction

§         Maintains excellent adhesion even in constant water submersion

§         Will accommodate thermal shock caused by rapid temperature cycling

§         Will not attract insects, birds, reptiles or vermin

§         Remains tough in all climatic extremes

§         26 standard colors to chose from! Custom colors are also available

§         Warrantied for 10 years

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPECIFICATIONS:

Coating Type:     

Ethylene Elastomer

VOC:  

420 gms/liter

Pot Life: 

Single component

Shelf Life:      

24 months

Recommended Thickness:   

20 mils dry film thickness

Coverage:    

2 gallons/100 square feet

Packaging:

5 gallon pails

Color:   

White, Gray, Red, Green, Black or special colors

 

APPLICATION:

Caution! READ THIS ENTIRE DATA SHEET BEFORE CONTINUING.
 

Surfaces must be dry, free of dirt or loose debris, and free of oils, grease or any substance that will interfere with bond.  All repairs of damage or defects must be made prior to product application.                                                                                                                         

 

NW 'Z' GRADE is applied straight out of the can after 2 minutes of gentle low speed mixing or stirring. Apply the product using brush, roller or spray technique. If airless spray application is desired, NW 'Z' GRADE should be used with the following equipment specifications: Ratio 30:1 or 40:1 ½” hose and a #35 or larger tip. A shorter hose length will increase output at the tip. Apply NW 'Z' GRADE in a smooth, even fashion to achieve a uniform coating thickness in 1 or 2 coats as desired. Allow sufficient ventilation to promote thorough drying between coats and before service. Drying time in well ventilated circumstances is 12 hours at 70°F (50% R.H.) for 16 mils wet film thickness.                                                                                              

 

LIMITATIONS:                                                                                                                                            

Do not apply to wet or frozen surfaces that are saturated with moisture. Proper surface preparation is important to product performance. Shelf life is 24 months in unopened cans stored indoors. This product is flammable. Keep away from sources of heat, sparks, and flames. Use only EP rated equipment.

 

MAINTENANCE:

NW 'Z' GRADE is recoatable.  If an area becomes damaged, recoat with NW 'Z' GRADE.  Clean tools and equipment with xylene or toluene solvents.  Do not allow the solvents to contact NW 'Z' GRADE that has been applied.

 

PRECAUTIONS:

NW 'Z' GRADE is a solvent-based product.  Avoid contact with skin and eyes.  In case of contact with skin, wash with soap and water for 15 minutes.  For contact with eyes, wash for 15 minutes with clear water and get medical attention in addition to flushing. In case of ingestion, do NOT induce vomiting; immediately contact a physician.  Avoid inhalation of fumes; if aerosol mist is inhaled, immediately seek medical attention.  Wear safety goggles, rubber gloves, coveralls, and filter mask when applying NW 'Z' GRADE.  Keep out of reach of children and pets.

 

 

TECHNICAL DATA:

Moisture Vapor Transmission:    

0.01 perms

ASTM E-96

Tensile Strength:

2,000 psi

ASTM D-412

Elongation

350%

ASTM D-412

Solids Content:      

55% (B.W.); 53% (B.V.)

ASTM D-1044

Flashpoint:   

105°F (Closed Cup)

FTMS 141A (M4293)

Shore 'A' Hardness:

75 degrees ASTM D-2240

Weatherometer (5000 hours):

Pass ASTM G-23

Low Temperature Flexibility:

180° bend (10°F)ASTM C-711

Density:

Approx. 9 lb/gallon

Viscosity:

Approx. 15,000 cps

 

 

 

NOTICE:  The information presented herein is based on tests and data that Andek Corporation believes to be reliable.  It is intended for use by technically qualified personnel at their own discretion and risk.  Since conditions of handling and use are beyond our control, we make no warranties, express or implied, and assume no liability in connection with any use of this information.  Nothing herein is to be construed as a license to operate or a recommendation to infringe any patent.

 

 

 

Copyright Andek Corporation 2008.  All rights reserved.