K-88 ADMIX

Improve curing of cement, mortar, and cementitious materials. Bonding agent promotes adhesion.

Where to use:

Mix with Structural Skin, Conpro Stucco, Foundation Coat, Plastermix, and mortar.

How to apply:

Refer to the K-88 Admix Technical Data to find specific recommended addition rates. Additional Information

Performance Characteristics

  • Promotes curing Reduces need to moist cure materials in conditions up to 85°F. Reduces shrinkage induced cracking.
  • Increases bond Promotes chemical adhesion to substrate.
  • Durability Increases compressive and tensile strengths. Increases freeze/thaw resistance.
  • Water resistance Increases density and improves resistance to water entry.

Surface Preparation

  • K-88 Admix is an admixture. Refer to the specific product bulletin for material to be used.

Priming

  • Follow the instructions of the material to which K-88 Admix will be added.

Mixing

  • Stir or shake container gently and pour into mix at the desired addition rate.

Application

  • Structural Skin® 1 quart/50 lbs. bag for curing. 2 quarts/50 lbs. bag for Exterior Wall Systems.
  • Conpro Stucco 1 quart/50 lbs. bag.
  • Plastermix 1 quart/50 lbs. bag.
  • Field mix stucco 1 part K-88 Admix to 2 parts water.
  • Cement parge coat 1 part K-88 Admix to 2 parts water.
  • Mortar and concrete 1 part K-88 Admix to 2 parts water.

Curing

  • Follow the instructions of the Conproco product to which K-88 Admix is added.

Clean Up

  • Clean tools and equipment with water.

Coverage/Yield

  • Refer to Application

Product Handling

  • Packaging Quart, 1, 5 and 55 gallon containers.
  • Shelf Life 18 months in unopened containers.
  • Storage Protect from freezing. Transport and store in cool, clean, dry conditions in unopened containers. High temperature will reduce shelf life.

Limitations

  • Do not apply if temperature of substrate is below 45°F.
  • Do not apply if ambient temperature is below 45°F.
  • Do not re-temper mixes modified with K-88 Admix.

Health and Safety

  • Product is alkaline.
  • Avoid contact with skin and eyes.
  • Avoid breathing vapors.
  • Refer to Safety Data Sheet (SDS) for additional information.

First Aid

  • In case of skin contact, wash thoroughly with soap and water.
  • For eye contact, flush immediately with a high volume of water for at least 15 minutes and contact a medical professional.
  • For respiratory problems, remove person to fresh air.
  • If respiratory difficulty persists, contact a medical professional.

Disposal

  • Dispose of material in accordance with local, state and federal regulations.
Physical state and appearance Milky liquid  
Base Aqueous  
Polymer 100% acrylic  
Odor Ammoniacal  
pH >8  
Percent solids by weight 27%  
Density of liquid coatingsASTM D14758.4 lbs./gal.  
Results typical for 3/4 -3 inch mix 7 Days          14 Days28 Days

Compressive strength

ASTM C109   

Design mix without K-88 Admix – psi 

 

2725

3375

3725

Design mix with K-88 Admix – psi 

 

3400

4150

4700

Percent increase – %

 

25

23

26

Tensile strength

ASTM C307   

Design mix without K-88 Admix – psi

 95360360

Design mix with K-88 Admix – psi

 385390400

Percent increase – %

 30811

FOR PROFESSIONAL USE ONLY
Conproco warrants this product for one year from the date of manufacture to be free from manufacturing defects and to meet the technical properties on the current technical data sheet if used as directed within shelf life. User determines suitability of product for use and assumes all risks. Buyer’s sole remedy shall be limited to the purchase price or replacement of product, exclusive of labor or cost of labor. August 23, 2018.

NO OTHER WARRANTIES EXPRESSED OR IMPLIED SHALL APPLY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. CONPROCO CORP SHALL NOT BE LIABLE UPON ANY LEGAL THEORY FOR SPECIAL OR CONSEQUENTIAL DAMAGES.

Exterior Wall Systems

Product
Minimum Temperature
Minimum to 55° F
55°F – 70° F
70° F and above
Minimum Time to Coat
Structural Skin
40°
12 Hours
3 Hours
2 Hours
24 Hours
Conpro One Coat
40°
24 Hours
18 Hours
12 Hours
3 to 5 days depending on temperature
Conpro Stucco
40°
12 Hours
8 Hours
4 Hours
24 Hours

Liquid polymer admixtures are used to improve the curing process of cement-based materials.  This translates to a finished product that has enhanced physical properties and is more durable.  K-88 Admix is a liquid polymer that will reduce cracking during the curing of cementitious materials as well as add water resistance to stucco, mortars, cement parge coats, and Structural Skin.

Associated Products