Necal 1421

Identification & Functionality

Backing Material Type

Polyethylene Terephthalate (PET)

Chemical Family

Acrylics & Acrylates

Product Type

Double Coated Foam Tape,

Pressure Sensitive Adhesive,

Tape

Technologies

Ready-to-Use Products

Product Families

Ready-to-Use Products — Adhesives & Sealants

Pressure Sensitive Adhesives & Tapes

Features & Benefits

Ready-to-Use Product Features

Creep Resistant,

Excellent Substrate Adhesion,

Tacky,

Very Low Surface Energy

Applications & Uses

Markets

Printing & Packaging

Applications

Printing & Packaging — Tapes, Labels & Adhesives

Tapes & Labels

Compatible Substrates & Surfaces

Polyethylene (PE),

Polypropylene (PP)

Bonding Instructions

Remove the release liner and apply to a clean, dry substrate. Use firm pressure to obtain maximum contact. Increasing application force will optimize bond strength to surface. The adhesive will reach maximum bond after 72 hours.

Properties

Physical Properties

	Value	Units	Test Method / Conditions
Total Thickness (Without Liner)	60.0	mils	-
180° Peel from Stainless Steel (Both Passes, 16 hour Dwell,PSTC-101, 2 mil PET Backing)	min. 5	lbs.	-
Shear Adhesion (Both Passes, 1 inch x 1 inch x 227g, 72°F, 2 mil PET Backing)	min. 7	days	-
Application Temperature Range (2 mil PET Backing)	min. 50	°F	-
Service Temperature Range (2 mil PET Backing)	-20 to 270	°F	-

Technical Details & Test Data

Construction

• Construction - Acrylic adhesive on both sides of a black or white polyethylene closed-cell foam

Packaging & Availability

Release Liner Availability

• Available with P, W, P1, or W1 liners

Storage & Handling

Storage Data

The shelf life of this material is at least two years when stored at 72°F and 50% relative humidity. Increased temperatures and/or humidity will affect performance characteristics.