Enduro Professional Water Based Tintable 2K Clear Poly

For today's professional, industrial and OEM users, water-based Tintable 2K Clear Polyurethane is formulated to stop your biggest frustrations and provide ultimate durability for interior/exterior use. Key features are easy application, fast film build & production time, excellent adhesion, plus optimum water and & chemical resistance. We go hard for great chemistry, so you don't have to worry when your clients are tough on the paint. Paired with Tintable 2K White Poly, you have a dynamic duo of tintable 2 component polyurethane finishes, our most durable interior/exterior coatings. You can apply confidently, knowing that you are giving your customer the best the industry offers. Perfect for new or remodeled cabinets, furniture, woodwork, pre-primed steel, fiberglass, and exterior projects. REQUIRES NCO CATALYST. Made in the U.S.A.

General Finishes Water Based Topcoat Enduro Tintable 2K Clear Polyurethane

Instructions

Surface Preparation Tintable 2K Poly

All wood projects require preparation sanding. If you skip this critical step, your finish may fail. 

Raw wood 

See our video: How To Prep Sand New Wood

1. Sand no finer than 220 grit. 

2. Remove dust.

Sealed Surface 

See our video: How to Prepare Existing Finishes 

1. Scuff clean with a non-woven abrasive pad & 50:50 mix of denatured alcohol & water. 

2. Dry 1-2 hours.

3. Sand lightly with 220-320-grit sanding sponge.  

4Remove Dust

Other substrates such as fiberglass and pre-primed steel

  1. Can be used with proper preparation & priming.
     
  2. Always test for performance before proceeding with your project.

Priming Tintable 2K Poly

CAUTION: Do NOT use any clear topcoat over Enduro 2K White Poly, as it may cause yellowing. 

INTERIOR RAW WOOD: Apply either 2 coats of Enduro White Undercoat or 2 coats of Enduro Stain Blocker. Can be used without a sealer. Use 1-2 coats of Enduro Sanding Sealer for an improved build.

EXTERIOR WOOD PROJECTS: Apply 2 coats of Enduro White Undercoat

SEALED SURFACE: 2 coats of GF Stain Blocker or GF White Undercoat are recommended. 

  1. ​​​​​​Raw Wood Tannin Bleed-Through is unpredictable; yellowing can appear immediately or months later with seasonal temperature changes. Oak, pine, mahogany, and Douglas fir are particularly prone to bleed-through. 
  2. Knots in Wood tend to bleed and are dense, making paint adhesion challenging. Stain Blocker may improve adhesion and prevent bleed-through.
  3. Existing Finishes Bleed-Through may be caused by wood tannins, previous stains or aniline dyes, surface contamination, and incompatibility between brands.
    ALWAYS apply 2 coats General Finishes Stain Blocker before applying Enduro 2K White Poly over an existing finish for adhesion and to prevent bleed-through. NOTE: Do not tint or use General Finishes Stain Blocker on projects that will be stored outdoors.

Non-Wood Surfaces may be able to take paint if primed first. Primer may improve adhesion over laminate and prevent bleed-through from MDF. Metal requires a primer made specifically for metal. Always test first before completing your entire project.

Priming Non-Wood Surfaces for Paint
Always test for adhesion on a hidden area of your project before getting started.

Pre-Primed Steel

  1. Clean the surface well.
  2. If applying over pre-primed, check the surface for nicks and scrapes where rust may emerge. Touch up those areas with a metal primer.
  3. Dry 48-72 hours before painting.

Laminate: Enduro Tintable 2K White Poly MAY adhere to laminate with a bonding primer; however, we cannot guarantee it. You may increase your chances of success by abrading the surface.

  1. Prep: Deep clean, dry thoroughly, sand with 150- then 180-grit sandpaper, and wipe off dust.
  2. Prime: Apply bonding primer, dry 12+ hours before painting.

MDF: Enduro Tintable 2K White Poly can be applied directly to MDF, but the MDF may cast a brown color if not primed first. Two base coats of white-pigmented shellac-based stain-blocking primer, or Stain Blocker, may prevent bleed-through. 
 

Disclaimer
Although Stain Blocker is engineered to prevent the most persistent bleed-through when 2 coats are applied, General Finishes cannot guarantee the prevention of bleed-through or yellowing on every project. Unknown factors and assiduous bleed-through can impact results. Stain Blocker is the most robust option and has performed extremely well in our tests.

Application Tintable 2K Poly

Enduro Tintable 2K Clear Poly is a post-catalyzed, high-solids, two-component urethane formulated for ultimate durability and chemical resistance and requires General Finishes Enduro NCO Catalyst. READ PROTECTION INSTRUCTIONS IN WARNINGS SECTION BELOW BEFORE USE.

Enduro Tintable 2K Clear Poly Application Steps 

  1. Work in a well-ventilated area. 
  2. Stir thoroughly to reincorporate solids that have settled to the bottom of the can using a power drill and mixer (recommended) or by hand with a paint stick. Do not shake. See this video here: How To Mix 2K Conversion Varnish
  3. Test for adhesion when applying over an existing finish. 
  4. Thin as desired, with distilled water (after mixing with NCO catalyst); slowly add up to 10% by volume. 
  5. Increase open time, if needed, with 10-15% by volume of Enduro Extender if allowed by local regulations. GF Extender can be used to improve flow and leveling, and increase open time, which is helpful in dry climates. California Residents: Adding more than 2% of GF Extender will make the product non-compliant per SCAQMD Regulations. GF assumes no liability for the improper use of these products.
  6. Slowly add up to 10% NCO Catalyst by volume (3.2 oz. per quart; 12.8 oz. per gallon) while stirring thoroughly. Mix 2-3 minutes with a power drill. Use gloves and protective eyewear when mixing. Mix only what you are going to use and clean spray gun immediately after use with Brush and Gun Cleaner. The finish can only be mixed once, and the leftover product will solidify after 4 hours. Pot life will vary by colorant dosage and manufacturer. DO NOT store in a closed container to avoid pressure build-up.
  7. Let rest for 15 minutes. 
  8. Apply 2-3 coats or 3-4 total coats if using Enduro Sanding Sealer for an improved build. Additional coats will not improve durability.
    • Spray application: Before spraying, strain through a fine-mesh filter. Spray wet films at 3-5-mil thickness.
    • HVLP: 1.1mm-1.3mm spray tip, medium air cap.
    • AIR-ASSIST AIRLESS: 375 PSI pump, 20 PSI assist air, .011”-.013” tip.
    • AIRLESS: Fine Finish .007” - .011”. Verify tip sizes with your equipment supplier. Spray tip recommendations. Keep your gun at a 90° angle, 6-8" from the surface. On large, flat areas, use wet, even patterns 6-8" wide. For narrow surfaces, reduce the fan pattern to 2-3" wide to reduce overspray. Overlap each pass 25% to conceal lines. NOTE; 2K Clear Poly is used with NCO catalyst. When using a spray gun, wear self-contained breathing apparatus. In the event of insufficient ventilation: Wear self-contained breathing apparatus. When respirators are required, select NIOSH/MSHA-approved equipment and work in a ventilated space. READ ALL PROTECTION INSTRUCTIONS IN THE WARNINGS SECTION BEFORE USE. 
  9. If a faster build is desired over raw wood, use 1-2 coats of  Enduro Sanding Sealer, followed by 2 coats of 2K Clear Poly.
  10. Finish sand between coats with a fine-grade (220-320) foam sanding pad or gray non-woven abrasive pad to improve smoothness and adhesion.
  11. Remove dust with a vacuum, compressed air, an oil-free tack cloth or a water-dampened rag.

Tinting
We recommend using Colourfal Zero VOC colorants. Other colorant systems should be zero VOC, incorporated at the point of use, and tested thoroughly for performance before application. General Finishes will not be liable for in-can stability when other colorants are used.

Warning: Do not use water-based products with Linseed Oils or Danish Oils.

Dry Time Tintable 2K Polys

Dry Times Based on ideal conditions of 70°F/21°C; 50% humidity.  

Dry-time (touch): 30 minutes

Dry-time (recoat): 30 minutes -2 hours based on heat & airflow.

Cure-time: 5 days

Be sure to allow adequate dry time. You can tell if a water-based finish is dry if it forms a powder when lightly sanded with a fine-grade (220-320) foam sanding pad or 400-grit sandpaper. If in doubt, wait longer. Rushing the dry time can cause "blush," which is clouding in the finish due to moisture trapped between the layers.

Increase dry time if:

  • Humidity is over 80%
  • Temperatures are cooler.
  • 3+ coats are applied
  • Thick coats are applied
  • Applying over an existing sealed finish
  • Applying over products from other brands
  • Layering General Finishes water- and oil-based products:
    • Water over oil: Let oil-based products dry 72+hr before applying water-based products
  • To accelerate dry time in humid conditions, add General Finishes Accelerator and work in a space with good ventilation and air movement. If you decide to re-coat before the recommended time, test dryness.

FORCE DRY: Allow product to flash for 10 minutes at ambient temperature. INFRARED LAMP / OVEN: Heat surface to 105°F/41°C. Allow cooling before sanding. Allow a minimum of 30 minutes between coats.

 

Buffing 2K

The surface an be buffed after the finish has cured using wet/dry automotive sandpaper. Use GF Satin Finishing Wax as lubricant.
Do NOT use water.

Cleanup Tintable 2K Polys

Clean hands with soap and water. Clean equipment with General Finishes Brush & Gun Cleaner immediately after use.

Disposal

Discard unused product and waste in an environmentally safe manner; check with local fire and health regulations. Do not pour down drains.

Warnings, Personal Protection & Warranties

Compatibility
Do not use water-based products with Linseed Oils or Danish Oils.

Limited Warranty
General Finishes products must be tested to your complete satisfaction before using. General Finishes will not be responsible for color satisfaction, misapplication, nor compatibility with other manufacturers' products. General Finishes will be responsible only for the cost of our products, and not for costs such as labor, damage or project replacement. 

Contamination and Compatibility
Our finishes are engineered as a system and are compatible with each other. General Finishes cannot guarantee an ideal refinish when applying our products on top of or combined with another company's products or over surfaces that have been in contact with waxes, polishes or sprays containing contaminants such as silicone. Test for adherence and aesthetics before beginning. 

Warning
If you scrape, sand, or remove old paint, you may release lead dust. LEAD IS TOXIC. EXPOSURE TO LEAD DUST CAN CAUSE SERIOUS ILLNESS, SUCH AS BRAIN DAMAGE, ESPECIALLY IN CHILDREN. PREGNANT WOMEN SHOULD ALSO AVOID EXPOSURE. Wear a NIOSH-approved respirator to control lead exposure. Clean up carefully with a HEPA vacuum and a wet mop. Before you start, find out how to protect yourself and your family by contacting the National Lead Information Hotline at 1-800-424-LEAD or log onto www.epa.gov/lead.

FIRST AID:
Seek immediate medical attention if symptoms occur due to the following. EYE CONTACT: Remove any contact lenses. Flush eyes with water for 20+ minutes while lifting upper and lower eyelids. SKIN CONTACT: Wash thoroughly after handling. INHALATION: Move to fresh air and loosen clothing. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or oxygen by trained personnel. INGESTION: Call physician immediately. Wash out mouth with water. Do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. 

Warning
This product contains a chemical known to the State Of California to cause cancer and birth defects. Do not swallow; first aid: drink water to dilute product. May cause eye or skin irritation; first aid: flush eyes thoroughly with water.

Warning
Keep out of reach of children. Avoid contact with eyes. Keep container tightly closed when not in use. Wash thoroughly after handling.

PERSONAL PROTECTION DURING USE:

Hand protection
Chemical-resistant, impervious gloves complying with an approved standard should be worn when handling chemical products if a risk assessment indicates this is necessary. Considering the parameters specified by the glove manufacturer, check during use that the gloves still retain their protective properties. It should be noted that the time to breakthrough for any glove material may differ for different manufacturers. In the case of mixtures, consisting of several substances, the protection time of the gloves cannot be accurately estimated.

Ey protection: Safety eyewear complying with an approved standard should be used when a risk assessment indicates this is necessary to avoid exposure to liquid splashes, mists, gases, or dust. If contact is possible, the following protection should be worn unless the assessment indicates a higher degree of protection: safety glasses with side shields.

Respiratory protection:
Based on the hazard and potential for exposure, select a respirator that meets the appropriate standard or certification. Respirators must be used according to a respiratory protection program to ensure proper fitting, training, and other important use aspects.

Body protection Personal protective equipment for the body should be selected based on the amount and repetition of exposure. It should be approved by a specialist before handling this product.

Environmental exposure controls:
Emissions from ventilation or work process equipment should be checked to ensure they comply with the requirements of environmental protection legislation.

Appropriate engineering controls:
Good general ventilation should be sufficient to control worker exposure to airborne contaminants.

Hygiene measures: 
Wash hands, forearms, and face thoroughly after handling chemical products, before eating, smoking, and using the lavatory, and at the end of the working period. Appropriate techniques should be used to remove potentially contaminated clothing. Wash contaminated clothing before reusing. Ensure that eyewash stations and safety showers are close to the workstation location.
 

Other skin protection: Appropriate footwear and any additional skin protection measures should be selected based on the task being performed.

Specifications

Basic Features
Base Type Water
Ambering No
Sheen Flat (10 or less), Satin (25-35), Semi-Gloss (50-60), Gloss (90+)
Interior or Exterior Interior/Exterior
Tintable Yes
Type Urethane
Suggested Use

New or remodeled cabinets, furniture, woodwork, pre-primed steel, fiberglass, and exterior projects. If tinting and applying over a painted surface, be sure to prime and test before completing your entire project.

Application
Coats 2 - 3 coats
Application Method Spray
Brushable No
Usable over existing finishes Yes
Sprayable Yes
Spray Tip Sizes HVLP 1.1mm-1.3mm
Air-Assist Airless 375 PSI pump, 20 PSI assist air, .011”-.013” tip
Airless Fine Finish .007” - .011”
Topcoat Required Self-Sealing
Dry Time
Dry Time - Touch 30+ min.
Dry Time - Recoat 30-45+ min.
Dry Time - Light Use N/A
Dry Time - Cure 5 days
Dry Time - Recoat - Applied Over Oil Based Product 72
Contents
Can Sizes Gallons, 5 Gallon pails
Coverage 450 sq. ft/gal
Technical Data
Viscosity Thick
Viscosity (cPs) 1000-1500
Weight Solids 29%
Solids by Weight and Volume Solids by Weight
Flat: 33%
Satin: 30%
Semi-Gloss: 28%
Gloss: 28%

Solids by Volume
Flat: 30%
Satin: 28%
Semi-Gloss: 26.5%
Gloss: 26%
VOC <250 g/L. Varies by color. See color-specific SDS for exact number.
Durability
Durability (Highest, High, Medium, Low) Highest
Hardness (Koenig #) 125
Wear (Taber #) 35.00 mg loss
Water (5 max) 5
Chemical (105 max) 101

FAQs

What makes 2K Professional-Industrial-OEM coatings really perform?

Photo of Tintable-2K-dark-color-Under IR

Photo of Enduro Tintable 2K Clear and 2K White Poly

A high-performance 2K coating has a base specifically formulated to be catalyzed with Isocyanates to crosslink the polymer fully. This catalyst provides superior performance over 1 K coatings that have been hardened with PolyAzuradine or Carbodiiamide. To create Enduro Tintable 2K; General Finishes tested over 30 polymers, resins, and other ingredients sourced from around the world. These new coatings are engineered to prevent the biggest frustrations for today's professional, industrial and OEM users providing ultimate durability for interior/exterior use. General Finishes goes hard for great chemistry, so you don't have to worry when your clients are tough on the paint. Paired with Tintable 2K Clear Poly, you have a dynamic duo of 2 component finishes, the most durable interior/exterior coatings General Finishes has ever created. You can apply confidently, knowing that you are giving your customer the best the industry offers. Perfect for new or remodeled cabinets, furniture, woodwork, pre-primed steel, fiberglass, and exterior projects. Made in the U.S.A.

KEY FEATURES

  1. Ease of application. Whether in a shop or on-site, Enduro 2K is designed to flow and level for Professionals/Industrial users that apply with AAA, HVLP, Airless, or flatline systems.

  2. Tintable to any major manufacturer's color deck. Enduro 2K hits the deepest darks, the bright whites, and everything in between. General Finishes recommends ColourFal Zero colorants.

  3. Higher gloss standards for white and clear, with 90+ degrees on a 60-degree angle.

  4. Fast production time: You can spray 3-4 coats of Enduro 2K and sand in between coats in one day. Enduro 2K cures for use in 5 days.

  5. Fast film build: Enduro 2K'S are engineered with a combo of larger and smaller-sized resin particles, which, when combined with the catalyst, allows for a thicker, quicker film build than any 1K. It provides a better vertical hang when spraying built-in surfaces on-site, with fewer drips or sags.

  6. Water and chemical resistance: Combining our new resin with catalyzation allows Enduro 2K to hit a commercial level of water and chemical resistance that *exceeds industry requirements and guidelines”. This is the perfect coating to stand the test of time on Wisconsin bar tops.

  7. Excellent adhesion properties on properly cleaned and prepped wood, plastics, fiberglass, and pre-rimed steel. (It Sticks).

  8. Exterior use: This new finish has an unusual balance of durability and flexibility, making it the professional’s choice for outdoor projects such as doors, benches, furniture, and tables. Do not use on deck surfaces.

  9. Consistency. General Finishes prides itself on superior quality control to meet and exceed the customer’s expectations.

Available in Flat, Satin, Semi-gloss, and Gloss

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Which General Finishes Coatings are suitable for OEM applications?

General Finishes Enduro Professional OEM Coatings

Enduro Tintable 2K Poly by General Finishes

Photo of Tintable 2K Poly under IR Light

General Finishes industrial/professional Enduro Water-based Tintable 2K coatings are ideally qualified for OEM (Original Equipment Manufacturing) production, which requires functional properties that are essential to the performance and durability of industrial, transportation, and durable consumer products. In addition to our line of stock Enduro finishes, General Finishes can custom-make coatings for your specific OEM objectives. If you have interest, inquire here to be contacted by a rep: We currently provide coatings and finishes for the following markets:

  • Wood Flooring
  • Kitchen Cabinets
  • Windows, Doors, and Millwork
  • Furniture
  • Specialty Wood Applications
  • Windows, Doors, and Millwork
  • Pre-primed Steel, Plastics, and Fiber Glass

General Finishes offers 6 stock water-based coatings in the OEM market space:

  1. Enduro Tintable 2K White Poly
  2. Enduro Tintable 2K Clear Poly
  3. Enduro 2K Conversion Varnish
  4. Enduro Clear 1K Poly
  5. Enduro Pre-Cat Lacquer
  6. Enduro RTM Stains

Our newest addition, Enduro Tintable 2K White Poly and Tintable 2K Clear Poly, offers the following features and functionality: 

  1. Ease of application. Whether you’re in a shop or on-site, Enduro 2K was designed to flow and level for users applying with AAA, HVLP, Airless, or flatline systems.

  2. Tintable to any major manufacturer's color deck. Enduro 2k hits the deepest darks, the bright whites, and everything in between.

  3. Higher gloss standards for white and clear, with 90+ degrees on a 60-degree angle.

  4. Fast production time: You can spray 3-4 coats of Enduro 2K and sand in between coats in one day. Enduro 2K cures in 5 days.

  5. Fast film build: Enduro 2k is engineered with a combo of larger and smaller-sized resin particles, which, when combined with the catalyst, allows for a thicker, quicker film build than any 1k. It provides a better vertical hang when spraying built-in surfaces on-site, with fewer drips or sags.

  6. Water and chemical resistance: Combining our new resin with catalyzation allows Enduro 2k to hit a commercial level of water and chemical resistance that *exceeds industry requirements and guidelines”. This is the perfect coating to stand the test of time on high-use projects.

  7. Excellent adhesion properties on properly cleaned and prepped wood, plastics, fiberglass, and Pre-Primed steel. (It Sticks).

  8. Exterior use: This new finish has an unusual balance of durability and flexibility, making it the choice for outdoor projects such as doors, benches, furniture, and tables. Do not use on deck surfaces.

  9. Consistency. General Finishes prides itself on superior quality control to meet and exceed the customer’s expectations.

Available in Flat, Satin, Semi-gloss, and Gloss

 

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Which Topcoat Should I Choose?

General Finishes offers a complete coatings system with a finish for every objective.

General Finishes Professional, Industrial, and OEM Water-Based Topcoats

  • Enduro Professional Tintable 2K Clear Poly
  • Enduro Professional Tintable 2K White Poly
  • Enduro Professional 2K Conversion Varnish
  • Enduro Professional 1K White Poly
  • Enduro Professional 1K Clear Poly
  • Enduro Professional Pre-Cat Lacquer

General Finishes Retail Water-Based Topcoats:

  • High Performance Topcoat
  • Flat Out Flat
  • Enduro-Var Topcoat
  • Exterior 450

General Finishes Exterior Water-Based Topcoats:

  • Enduro Professional Tintable 2K Clear Poly
  • Enduro Professional Tintable 2K White Poly
  • Enduro Professional 2K Conversion Varnish
  • Exterior 450

General Finishes Oil-Based Topcoats

  • Arm-R-Seal 
  • Gel Satin Topcoat
  • Wood Bowl Finish
  • Butcher Block Oil
  • Outdoor Oil

GENERAL PRACTICE:

  1. Oil-based topcoats and ENDURO-VAR will amber over time.
  2. All other water-based and High Performance top coats dry clear.
  3. Never use any water-based topcoat with long oils such as Danish, Tung or Linseed.
  4. Water-based top coats clean up with soap and water. Oil-based topcoats require mineral spirits for cleanup.
  5. If you use water-based topcoats over oil-based finishes, make sure that you wait 72 hours between the two products. It is essential to let the oil finish dry longer.
  6. For more complex projects with many details and corners or large surface areas such as cabinets, we recommend either ARM-R-SEAL liquid oil-based topcoats or water-based topcoats. Large surfaces such as cabinets or tables and complex projects with lots of detail are easier to cover with a liquid topcoat rather than a GEL SATIN topcoat.
  7. Enduro Professional Topcoats are thinner and intended to be sprayed
  8. HIGH PERFORMANCE can be brushed or sprayed. It can be thinned by adding 5-10% distilled water if needed. 

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