Silothane Concrete

Product Overview

Silothane Series S-4100

Silothane Concrete is a 2K clear coat silane system designed for long-term protection of porous substrates such as concrete.
Download Data Sheet

Benefits

  • Concrete, Pavers, Brick: Silothane Concrete offers water resistance and a smooth, low-slip surface to porous substrates.

Features

  • Excellent hardness
  • Excellent mar resistance
  • Excellent abrasion resistance
  • Excellent UV protection
  • High heat tolerance (1,000ºF)
  • Good water resistance

Finish

  • Available in: Gloss (3 Parts A : 1 Part B), Semi-Gloss (1 Part A : 3 Parts B)

Spread Rate

  • Recommended Coverage: 300 - 500 sq. ft. per gallon

Substrates

  • Concrete
  • Pavers
  • Brick

Specifications

  • Binder Type: Polysiloxane
  • Gloss:
    • Volume Solids: 71 ± 4%
    • Weight Solids: 71 ± 4%
  • Semi-Gloss:
    • Volume Solids: 24 ± 4%
    • Weight Solids: 24 ± 4%
  • Part A:
    • Weight per Gallon: 8.3 lb
    • Flash Point: 73ºF/23ºC
  • Part B:
    • Weight per Gallon: 8.1 lb
    • Flash Point: > 150ºF/66ºC
  • Shelf Life: 12 months, unopened
  • Pot Life: 24 hours (temperature dependent)

Surface Preparation

  • General Purpose Cleaning / Degreasing: Use a mild detergent and a clean cloth, scrubbing brush, spray bottle, pump-up sprayer or pressure washer to clean the substrate and thoroughly rinse the surface to remove any residue prior to coating. If cleaning/coating a vertical surface, work from the top of the substrate down. The substrate must be completely dry prior to Silothane Concrete application.

Coating Preparation

The mixing instructions for Silothane Concrete must be followed precisely for optimum performance. Refer to the SDS for proper chemical handling.

Mix Parts A and B in a clean glass, metal, or HDPE container.

Gloss: 3 Parts A to 1 Part B. Semi-Gloss: 1 Part A to 3 Parts B

  • Combine Parts A and B. Product will become yellow/green and opaque.
  • Mix the product for 3 to 5 minutes to ensure components are thoroughly combined. For smaller batches (≤32oz), this is possible by hand shaking the capped container. Larger batches can be mixed with a stir stick, variable speed drill or drill press with a mixing paddle attachment.
  • Allow the product to react uncapped until it returns to a clear, colorless state. This will take approximately 30 minutes for semi-gloss and up to 2 hours for gloss. If settling or separation of components occurs during the reaction process, repeat mixing.
  • Note: During the mixing process, the combined products may generate a slight exothermic reaction and the sides of the container may feel warm to the touch.

Performance Data

Recommended DFT is 0.1-0.2 mil unless otherwise stated
  • Salt Spray: Excellent, 4000 hr with no visible effects
  • Solvent Resistance: Good, 50+ double rubs (MEK, Xylene, Acetone)
  • Pencil Hardness: Up to 4H

Application Methods

After Part A and Part B are adequately mixed and the reaction has been completed, the coating can be applied to the prepared substrate. For all substrates, Silothane Concrete can be sprayed, brushed or rolled.

Apply by spraying, brushing with a high quality brush, wiping with a paint pad, or dipping. The amount of coverage per gallon is dependent upon the substrate, the applicator and the equipment used.

Dry Times

Silothane Concrete can be air dried or force cured.
Cure Conditi­ons:
75ºF / 24ºC @ 50% RH
Recoat:
< 1 hour
Dust-Free:
30 minutes
Dry to Handle:
1 - 2 hours
Full Cure:
10 - 15 days

Clean-Up

While coating is wet, water may be used for cleaning. After the coating dries, solvents (e.g. acetone, MEK) may be required for clean up.