Category:
U-21
U-21 Urespartic™ Clear Hybrid WB
About the product
Product Overview
U-21 is a breakthrough technology combining urethane and polyaspartic polyols to create our state-of-the-art Urespartic™. By combining our Urespartic™ resin with our proprietary Iso blend we are able to create a high-solids, clear finish that will not yellow, maintains its existing sheen and passes 2500 MEK double rubs! It is manufactured in a gloss but the sheen can be reduced using PN C-20 Sheen Reducer.
Uses
U-21 is primarily used as a clear topcoat due to its unsurpassed UV, stain, mar and abrasion resistance. It can be applied to floors and walls and adheres well to many substrates including concrete, gypsum, cement board, metals, vinyl, PVC and fiberglass. It can also be applied direct to concrete as a primer and topcoat.
Preparation
The coating installer should fully read and understand ICRI310.2R-2013 and OSHA 29 CFR 1926.1153 before starting preparatory work. The aim, of preparing a substrate for coating applications, is to roughen the surface, remove weak layers, contaminants, dirt, debris and present a solid, clean, dry substrate for the primer. If unsure as to the level of preparation needed contact Polymer Nation at techservice@polymernation.com
Product Details
Name
U-21
Category
Kit Yield in Gallons
3, 165
Special packaging is available based on size of order and time constraints
Number of Mixes Per Kit
N/A
Number of Components
2
Mix Ratio Liquids by Volume
2:1
It is always preferred to mix the entire kit, whenever possible, to avoid off-ratio mixtures
Ideal Application Temperatures
70F-80F 40-60% RH
Verify that substrate temperature is above 5 degrees of dewpoint during application and cure of material to avoid a potential amine blush
Mixed Viscosity in cP@25C/77F
700-800
Warmer temperatures will reduce viscosity and lower temperatures will increase viscosity
Gel Time
.75 Hours
Dry to Touch
3 Hours
Warmer temperatures will reduce time and colder temperatures will increase time. Higher RH will lengthen Dry time data
Through Dry
11 Hours
Warmer temperatures will reduce time and colder temperatures will increase time. Higher RH will lengthen Dry time data
Dry to Walk
12 Hours
Warmer temperatures will reduce time and colder temperatures will increase time. Higher RH will lengthen Dry time data
Dry to Lightly Use
16 Hours
Warmer temperatures will reduce time and colder temperatures will increase time. Higher RH will lengthen Dry time data
Full Cure
7 Days
Warmer temperatures will reduce time and colder temperatures will increase time. Higher RH will lengthen Dry time data
Shore Hardness at 24 Hours
12
Warmer temperatures at RH of 60% or less will increase the hardness number reported
Shore Hardness at 7 Days
46
Warmer temperatures at RH of 60% or less will increase the hardness number reported
Gloss @ 60 Degree Angle
80-88
VOC’s of Mixed Material
<0 g/L
EPA Method 24
Color Scale per ASTM D1500
.5-1.0
Clear to slightly amber
Solids by Volume Mixed
>65%
Storage
60F-90F
Store material between 60-90 degrees F in a protected dry location.
Odor
None
Application Thickness in Mils
As a floor topcoat 5-8. As a wall topcoat 4-6. As a primer 4-8. Do not allow to puddle as this will have a negative effect on the finish.
Coverage Per Mix
N/A
Disposal
Dispose of material, containers, solvents, etc., per Federal, State and local guideline, rules and laws
Available Colors
This material is manufactured in clear.
Mixing & Installation
Combine all of part A and B into a single container, large enough to accept the entire kit. Mix at 350 RPM for 2-3 minutes using an appropriate mixing blade and making sure not to introduce excessive air into the solution (material can be thinned up to 10% with clean potable water). Pour material needed from the container onto the floor and spread with a 5-7 mil squeegee. Back roll perpendicular to evenly spread the material. Strike off the material in the same direction as material was squeegeed. Material can also be bucket-rolled using a 3/8″ nap roller cover. For a non-skid finish add 288 grams per 3 gallon kit of PN 1337 S (1-12 oz cup struck off at the top) or 4 lbs. of PN 1335 AO and stir to completely incorporate. Recoat within 24 hours. Clean tools with a hot soapy water or solvent similar to Xylene or Acetone. PN C-55 can be used to accelerate the cure.
Other Product Names
Polymer Nation believes the information contained herein to be true and accurate. Information contained herein is for evaluation purposes only.
Product HIghlights
Exceptional Performance, Durability, and Safety in Every Application
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Most commonly Serviced Markets
Although most our products can be used on any market, we see some common trends between certain products and certain markets.
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Available Colors
If you don't see a color you like here, some custom colors can be available upon request. Please contact us for more details!
Product Documentation
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