Email US



ULD400 Series

Ultra-Low Density


Formulated for generic sealing, cushioning and sound attenuation applications, ULD400 Series is ideal where cost is a critical factor.  It is a possible alternative to low-density reeled or spooled urethane foams.

Designed to solve your application problems, ULD Series will conform to irregular surfaces and curves.  It is inherently resistant to fire, ultraviolet rays, most chemicals, acids and solvents.


  • A good choice for light duty cushioning or vibration dampening applications.
  • Compresses easily with good recovery properties.
  • Offers sound attenuation reducing sound levels.
  • Low density and highly flexible.
  • ULD400 Series is a self-extinguishing formulation and meets FMVSS 302A.
  • It is also available with a 0.75 mil polypropylene film carrier that reduces any tendency to stretch tape during application.
  • Available in tape grade form with G1, a high tack adhesive. When supplied as film supported tape, available with A2 adhesive, an aggressive acrylic that provides an excellent combination of tack and holding power. Bonds quickly to most surfaces that are kept clean, dry and free from contamination.
  • For high volume applications, it can be supplied on reels (spools), creating continuous feed of material.
  • Charcoal color standard.
  • Sulfur-Free

Click Here to download our Limited Warranties.

Click Here to download our Manufacturing Tolerances.

Click Here to learn “Why we have Storage Guidelines”.


Available Thicknesses:
.250” – .500” (6.4mm – 12.7mm)

Available Widths:
.250” – 57” (6.4mm – 1448mm)

Available Lengths:
25’ – 102′ (7.6M – 31M)


NOTES:  The length of the rolls vary depending on the thickness of the material. Gaska Tape offers standard length logs. Master logs are double the standard length plus 2’ and are available upon request for quote.
Typical performance properties and characteristics are based on samples tested and are not guaranteed for all samples of this product.
Data is intended as a guide only and is presented without guarantees and without assumption of liabilities resultant from the use of information provided. This data is not to be used for specification purposes.
Scroll to Top