BR-3SF SPRAYABLE URETHANE

Product Description
A solvent based urethane coating used in heavy abrasion situations designed primarily for application by airless spray. It can also be brushed, rolled or dipped.

Material: Aliphatic polyether urethane in dichloromethane.


Mix Ratio
BR-3SF Part A
BR-3SF Part B
By Weight 100 15

 

Package Sizes
  Packaged/Sold by Weight
Kit BR-3SF Part A
BR-3SF Part B
1.0kg 870g 130g
5.0kg 4.35kg 0.65kg
23kg 20kg 3kg
     
Solids Content
Mixed
   
By Weight 66.5%    

 

Hardness
Bashore Resilience
Tensile Strength
80±5 Shore A
40% (ASTM D2632-74) 3375 psi (ASTM D412-68)

 

Impact Resistance
Flexibility
Tear Strength
Greater than 160 inch - pounds (ASTM D2794)
Pass 1/8" conical mandrel (ASTM D522) 242 lbs./in Die C (ASTM D-624)
67 lbs./in D 470

 

Elongation
Abrasion Resistance
Operating Temperature
420%
(ASTM D412-68)
0.0036 grams weight loss per 1000 cycles, H18 wheel, at 1000 gms. (ASTM D1-044-73) -56oC (-70oF) to 93oC (200oF)

 

Fungus Resistance
Modulus 100%
Weight of Cured Coating
Non-nutrient
1450 psi (ASTM D412-68)

44 gm/m2 @ 25 microns 0.90 lbs per 100 ft2 at .001" thick

 

Tack Free Print Free Ultimate Cure
1 hour @ 21oC (70oF) 3 hours @ 21oC (70oF) 5 days at 30 dry mils at 21oC (70oF)

 

Flammability
Normac BR-3SF Part "A" and Part "B" are both non-flammable in shipping, storage and application.

 

Recoat Times Application Life
Minimum: 10 - 15 minutes
Maximum: 72 hours.
1 hour plus, @ 21oC (70oF)

 

Volatile Organic Compound (V.O.C.)  
Methylene Chloride is not considered a V.O.C. Therefore the actual V.O.C. content will be less than 1%. It is advised to consider local, state, provincial or federal laws pertaining to the application solvent based coatings prior to use.  

Safety, Handling and Toxicity

See Normac BR-3SF MSDS documentation for specific handling and safe working practices.

 

MSDS Download
Product Part
BR-3SF A
BR-3SF B

 

Application
Normac BR-3SF can be sprayed, brushed, rolled or dipped. Spraying is the preferred method of application using standard air or airless spray equipment. Spray nozzle sizes depend upon the article being sprayed, usual range or nozzle openings would be from 0.015 inches to 0.035".

Surface Preparation: Standard surface preparation procedures such as grit blasting to near white/white metal or acid etching concrete is required for good mechanical bonding of the Normac BR-3SF sprayable urethane system. For more details see "Normac Surface Preparation Guide for Urethane Coatings."

Primers:
NR-9500: A two component, single coat air curing solvent based primer.
NR-9600: A two component wash primer base for NR-9500.
900R/ECR: A two component, air curing rubber based primer.
EP-100: A two component 100% solids primer for concrete.

 

Coverage
22.7m2 @ 25 microns/kg DFT (111ft2 /lb @ .001" DFT). 0.57m2 @ 1mm DFT thickness per kg. (6.11ft2/.040"/lb. DFT).


Rev.6

   

NR-9500 PRIMER

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NR-T10 ADDITIVE

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NR-T10 is a thixotropic agent that when added to our solvent based sprayable urethanes, allows the applicator to apply wet film coating thi...

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NR-9600 PRIMER

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A 2-part polymeric resinous based wash primer used in conjunction with Normac’s NR-9500 2 part primer system for the bonding of the Normac...

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NR-8400 PRIMER

Product Description

A 1-part polymeric resinous based adhesive in Ethyl Acetate for bonding of the Normac U-Repair and BR-3TM series of elastomeric repair mater...

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