ST-61 - Potable Water Butyl Joint Sealant Tape

ST-61 - Potable Water Butyl Joint Sealant Tape is ideal for sealing water cisterns, containment structures, and processing tanks. It is not suitable for expansion joints or joints that experience movement.

Product Type: Sealing Tape

Application Area: Construction Joints, Tanks, Water Cistern, Water Containment Structure

Compatible Substrates & Surfaces: Aluminum, Concrete, Fiberglass, Metal, Plastics

Chemical Family: Butyl Rubber

Features: Excellent Substrate Adhesion, Flexible, Improved Workability, Primerless, Tacky, Wide Temperature Operating Range

Technical Data Sheet
  • TypeDocument Name
View All Documents

Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Markets
Applications
Application Area
Compatible Substrates & Surfaces
Product Applications

Applications: Ideal for water cisterns, water containment structures and processing tanks. Not intended for use in expansion joints or joints that move.

Sealing Properties:

  • Provides a permanent watertight joint seal
  • Maintains seal over wide temperature range
  • High tack for superior substrate adhesion
  • No priming necessary on clean substrates
  • Bonds to concrete, metals, fiberglass, and plastics
  • Flexible / workable over wide temperature range
  • NSF 61 certified for use in drinking water structures

Toxicity Evaluation: ST-61 has been certified by NSF International to conform to the requirements of NSF / ANSI Standard 61 (Drinking Water System Components) Section 6. Joining and Sealing Materials.

Application & Surface Preparation Instructions:
All work surfaces should be clean, dry, free of dirt, dust, debris, oils, and other contaminants that may result in a surface that is not sound. Place exposed surface down and apply along the entire joint, being careful not to stretch the material. Cut off excess and remove blue release liner. Butt joint cut ends and knead together to complete the seal.

Limitations:

  • Designed for non-moving joints
  • Not intended for expansion joints

 

Properties

Color (Properties)
Technical Data
ValueUnitsTest Method / Conditions
Cone penetration50 - 65--
Specific Gravity1.20 - 1.40--
Ductility10.0cm-
Application Properties
ValueUnitsTest Method / Conditions
Application Temperature- 7 to 49°C-
Service Temperature Range1 - 93°C-

Regulatory & Compliance

Quality Standards

Packaging & Availability

Packaging Type
Regional Availability
  • North America
Packaging Information

ST-61 is supplied in roll form on easy release liner comprised of blue plastic.

Storage & Handling

Shelf Life
2 years
Storage and Shelf Life Condition

Product should be stored below 49°C (120°F). Shelf life is 2 years when stored as recommended.