Sinmast 4 Regular

Medium Viscosity General Purpose Epoxy Resin
SKU: SinmastReg
Weight: 10 lb
Dimensions: 14 in × 8 in × 7 in
Product Description: 

SINMAST 4 Regular is a high performance industrial epoxy formulated for industrial concrete patching and repair.  Mix SINMAST 4 Regular with sand or aggregates to make epoxy grouts. 

  • SINMAST 4  is available in Regular, Fast-Set, and High-Impact resin formulations for specific project requirements.


  •  High-Strength
  • Stronger than cementitious grouts
  •  Easy mixing pre-measured kits
  • No Shrinkage
  •  Bonds well to most dry surfaces


  • Crack and Joint Repair
  • Epoxy Grouts
  • Machine Bases
  • Patching and Resurfacing
  • Anchoring & Chocking
  • Joint Nosings
  • Precision Grouting
  • Rail and Sole Plates
Application Instructions: 
  1. Clean surface by sand blasting or grinding to provide clean and open surface.
  2. Thoroughly mix measured amounts of 3 parts of Part-A Resin with 1 part of Part-B Hardener by volume until streak free. (4 parts A to 1 part B for Sinmast 4 Rapid)
  3. Scrape side and bottom of pail frequently during mixing to insure a good mix.
  4. Mix only enough that can be applied in 45 minutes. 

One Gallon and 5 Gallon Kits

Technical Data: 



Polygem, Inc. warrants its products to be free of manufacturing defects and that, at the time and place of shipment, our material will meet current physical properties when applied within Polygem’s directions and tested in accordance with ASTM and Polygem standards. Polygem, Inc’s liability is limited to replacement of material found defective. As Polygem, Inc. has no control over the use to which others may put its products, it is recommended that the product be tested to determine if suitable for a specific application and/or our information is valid in a particular circumstance. Responsibility remains with the architect or engineer, contractor and owner for the design, application and proper installation of each product. Nothing contained herein shall be construed to be a recommendation to use or as a license to operate under or to infringe any existing patents.

Data sheets are subject to change without notice.