XtraBond®50 - Siliconized Acrylic Latex Sealant

XtraBond® 50 is a premium grade multi-purpose siliconized acrylic latex sealant. Manufactured and Developed to provide excellent adhesion to vinyl, aluminum, wood, sheet metal and most common building materials without the need of a primer. It has been specially developed for the use in the installation of windows & doors and has minimal shrinkage. XtraBond® 50 cures rapidly to form a durable tight bond.


  • Window & Door Applications
  • Cultured Marble
  • Tile
  • Industrial Applications


  • Window & Door Approved
  • Excellent Flexibility
  • Clean Up with Water
  • Mildew Resistant
  • Paintable
  • 50 Year Durability
  • Quick Curing


ASTM C-834.

Technical Specs

Skin Time Less than 15 minutes @ 77 degF/ 50% RH
Tack Free Time Less than 1 hour @ 77 degF / 50% RH
Cure Rate 1/4” Bead per 24 Hrs
VOC 47 g/L 0.0751 lb/gal
Elongation @ Break 1200%
Shore A 25 +- 5
Movement Capability 25%
Lap Shear 550 psi
Tensile Strength 250 psi
Staining None
Low Temp.  Flexibility Retained to -90 deg. F.
High Temp. Flexibility Up to 425 deg. F for short periods
Sag None



This product is offered in hundreds of colors using our Custom Color Matching & Mixing System.

For current color offerings, please visit the Online Color Matching Program.

NOTE: This product also qualifies for our Private Label Program.


The XB50S is available for the following industries

Packaging & Pictures

drum pail tube This product is available in the following configurations:

  • 10.1 oz cartridges: Twist-On Nozzles
  • 4.5 gal in a 5 gal pail
  • 52 gal in a 55 gallon drum

Other packaging is available upon request

Limited Lifetime Warranty

This product is guaranteed to give satisfactory performance if applied in accordance with the label directions. Liability to Premier Industrial Supply, Inc. (Premier) is limited to a full refund of the purchase price or product replacement if product is proven defective. Premier shall not be liable for loss or damage, whether direct, consequential or incidental. There are no other warranties expressed or implied including the implied warranty of merchantability or fitness for a particular purpose.