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New ENCOR® 662 Acrylic Latex

Flat and semi-gloss coatings based on ENCOR® 662 latex deliver outstanding scrub resistance, stain resistance and washability.

New ENCOR® 662 acrylic latex delivers outstanding stain resistance and washability in low VOC interior architectural coatings.  Couple that with the application properties you expect in a high performance acrylic system, and you get a significant step up in performance compared to our typical acrylic binders.

Performance benefits

  • Optimized for flat to semi-gloss sheens
  • Excellent abrasive scrub resistance in low VOC formulations
  • Balanced washability profile for hydrophobic and hydrophilic stains
  • Good block resistance potential
  • Designed for use with non-volatile coalescents
  • EnVia® certified to simplify sustainable formulating2

Typical polymer properties1

Appearance White, milky liquid
Total Solids, % by weight 50
Density, lbs/gal 8.8
pH Value 8.0 – 9.0
Viscosity, Brookfield, cP 50 – 500
Particle Size, microns 0.20
MFFT, ºC 14

1 The data provided for these properties are typical values, intended only as guides, and not to be construed as sales specifications.

2 This product meets the standards of Arkema Coating Resins’ EnVia® program.  These products are designed to assist formulators in meeting their sustainability and regulatory goals in their finished products.

Performance data

Formulation - semi-gloss, zero VOC

The following data were obtained from tests using a semi-gloss, zero VOC formulation using a non-VOC containing coalescing solvent.

Stage Material  LB/100           Gallons
Grind Water 150.00              17.99
  Proxel® GXL     1.90                  0.21
   AMP-95®    3.20                   0.43
  Coadistm 144A    8.00                    0.91
   Rhodoline® 643     2.00                   0.25
   Titanium Dioxide Slurry 200.00                 10.42
   Minex® 7  75.00                   3.46
   OptifilmTM 400    8.30                    1.09
 Letdown ENCOR® 662 530.00                 59.55
   Rhodoline® 643    2.00                     0.25
 Add grind to prethin under agitation (700 RPM or less)    
 Wash Use wash water to rinse grind pot  
   Water   24.90                    2.99
 Add While Mixing  RheotechTM 3800   10.00                    1.14
   CoapurTM   2025    3.00                      0.35
    1018.30               99.04

 

Typical properties as formulated

PVC 23%
Volume Solids 36%
Volatiles%* 0%

*based on using non–VOC coalescing solvent

Scrub resistance

The coating based on ENCOR® 662 latex displays outstanding scrub resistance compared to commercially
available competitive coatings.

Washability - common household stains

Coatings based on ENCOR® 662 latex show comparable or improved washability compared to commercially
available competitive semi-gloss formulations.

 

 

 

 

Washability – cosmetics and household inks

Coatings based on ENCOR® 662 latex display comparable or improved resistance to cosmetics and household inks compared to commercially available competitive semi-gloss formulations.

Block resistance

Coatings based on ENCOR® 662 latex display comparable block resistance compared to commercially available
competitive semi-gloss formulations.

Performance data

Formulation – flat, zero VOC

The following data were obtained from tests using a semi-gloss, zero VOC formulation using a non-VOC containing coalescing solvent.

 

Stage Material LB/100                  Gallons
Grind Water 200.00                  23.98
  Proxel® GXL     1.90                     0.21
  AMP-95®     5.20                     0.70
  Coadis® 144A
   12.00                    1.36
   Rhodoline® 643      2.00                    0.25
  Ti-Pure® R-746 Slurry  200.00                 10.42
   Minex® 4  100.00                    4.61
  OPTIWHITE® 4  100.00                    4.53
   OptifilmTM 400      8.30                     1.09
  ENCOR® 662 440.00                    49.44
  Rhodoline® 643      2.00                      0.25
Add grind to prethin under agitation (700 RPM or less)    
Wash Use wash water to rinse grind pot  
  Water     20.00                     2.40
Add while mixing  RheotechTM 3800     10.00                     1.14
   CoapurTM   2025       3.00                     0.35
    1104.40                 100.73

 

Typical properties as formulated

PVC 40%
Volume Solids 37%
Volatiles%* 0%

*based on using non–VOC coalescing solvent

Scrub resistance

Coatings based on ENCOR® 662 latex display outstanding scrub resistance compared to commercially available
competitive flat formulations.

Washability – common household stains

Flat sheen coatings based on ENCOR® 662 latex typically outperformed competitive products in washability of
hydrophilic stains.

 

 

Washability – cosmetics and household inks

Flat sheen coatings based on ENCOR® 662 latex display improved resistance to typical hydrophobic stains
compared to commercially available competitive flat formulations.

Formulating guidelines

Care should be taken when selecting the coalescent / pigment dispersant combination to retain washability.

Coalescent choice

  • Traditional coalescing agents such as TexanolTM may be used with ENCOR® 662.
  • In addition, low VOC coalescing agents such as OptifilmTM 400 or dibenzoate blends may also be used successfully.

Dispersant choice

  • Many standard pigment dispersants work well with ENCOR® 662 latex.
  • For low VOC formulations, CoadisTM 144A offers good washability performance when used in combination with low VOC coalescing agents such as OptifilmTM 400 or K-FLEX® 975P.

 

 

Arkema Coating Resins - Envia
Arkema Coating Resins - Encor

 

 

© 2015 Arkema Inc. All rights reserved. 6/15
ENCOR® and EnVia® are registered trademarks of Arkema Inc.
Proxel® GXL is a registered trademark of Imperial Chemical Industries LLC
AMP-95® is a registered trademark of Angus Chemical Company
Rhodoline® 643 is a registered trademark of Rhodia Chemie
Minex® 7 is a registered trademark of Unimin Canada LTD
Minex® 4 is a registered trademark of Unimin Canada LTD
Optifilm™ 400 is a trademark of Eastman Chemical Co.
Rheotech™ 3800 is a trademark of COATEX
Coapur™ 2025 is a trademark of COATEX
Coadis™ 144A is a trademark of COATEX
Ti-Pur® R-746 is a registered trademark of DuPont
Optiwhite® is a registered trademark of Burgess Pigment Co.

 

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