3M™ Double Coated Tape 444

Excellent for foam and gasket attachment, HSE and LSE plastics such as polyethylene

Quick flowing adhesive delivers high initial adhesion for faster lamination

0.5 mil PET film carrier adds dimensional stability and easier handling during slitting and die-cutting

Description

3M™ double coated tape 444 features 3M™ Adhesive 300, a medium-firm acrylic adhesive ideal for joining materials that are smooth, thin and have low residual stress. It is excellent for foams and LSE plastics such as polyethylene, as well as HSE plastics. Adhesive is applied to both sides of a 0.5 mil PET film which adds structural stability. This tape features a 55# densified kraft liner.

A Double Coated Tape for Foams and LSE Plastics
Excellent for textured plastics, foams, fabrics and coated papers, 3M™ Double Coated Tape 444 features 3M™ Adhesive 300 on a 0.5 mil polyester (PET) film carrier. The medium-firm acrylic adhesive delivers high initial and final adhesion for efficient laminating procedures. The durable polyester film carrier between the adhesive layers improves the handling and strength of the tape, and adds stability during processes such as die-cutting and slitting. The adhesive is applied at 1.4 mils on the liner side and 2 mils on the face side for effective wet-out. The 55# densified kraft paper release liner makes for fast, efficient application.

About Our 3M™ Adhesive 300
3M™ Adhesive 300 is a medium-firm acrylic adhesive system featuring both high initial adhesion and good UV and chemical resistance and strong holding power. The design of the adhesive results in high initial adhesion and good temperature performance. The formulation gives 3M™ Adhesive 300 a consistently strong bond across a range of temperatures up to 250°F/121°C short term.

Recommended Applications:

Medical diagnostic test strips
Plastic film lamination/bonding
Splicing
Foam lamination
Gasket attachment

Product	Description / Application Ideas	Tape Cal. (mils)	Carrier Type	Liner		Master Size	Specs	Adhesion				Chem. Resist.	Temp. Range
Product	Description / Application Ideas	Tape Cal. (mils)	Carrier Type	Type	Caliper (mils)	Master Size	Specs	Metal	HSE Plastic	LSE Plastic	Foam	Chem. Resist.	Low (°F)	High (°F)
300 (High Strength Acrylic)
444	Foam lamination. Gasket attachment.	3.9	PET	55# DK	3.2	48" x 108 yd	—	7	9	9	9	6	-40	250
444PC	Foam lamination. Gasket attachment.	3.9	PET	58# PCK	4.2	48" x 108 yd	—	7	9	9	9	6	-40	250

What is Double Coated Tape?
In general, double coated tape is composed of a paper, film, or tissue carrier that is coated on both sides with pressure sensitive adhesive. The adhesive is protected by a peel-away liner that is removed at the time of application. These tapes can be applied by hand or with a dispenser. Double coated tape dispensers are available in a variety of configurations ranging from manual to fully automatic. Applications for double coated tape are found in electronics, automotive, aerospace, general industrial, and fabrication markets.

Bringing Better Ideas to the Surface through Science
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.

Highlights

Excellent for foam and gasket attachment, HSE and LSE plastics such as polyethylene
Quick flowing adhesive delivers high initial adhesion for faster lamination
0.5 mil PET film carrier adds dimensional stability and easier handling during slitting and die-cutting
3M™ Adhesive 300 aggressively bonds to many surfaces, including plastics like polyethylene
55# 3.2 mil densified kraft liner makes for easy release

Details

Back Side Adhesive Thickness (Imperial)	1.4 mil
Back Side Adhesive Thickness (Metric)	0.036 mm, 0.04 mm
Back Side Adhesive Type	High Strength Acrylic Adhesive 300
Backing (Carrier) Material	Polyester
Backing (Carrier) Thickness (Imperial)	0.5 mil
Backing (Carrier) Thickness (Metric)	0.013 mm
Brands	3M™
Face Side Adhesive Thickness (Imperial)	2 mil
Face Side Adhesive Thickness (Metric)	0.05 mm, 0.051 mm
Face Side Adhesive Type	High Strength Acrylic Adhesive 300
Indoor/Outdoor	Indoor/Outdoor
Industries	Aerospace, Appliance, Automotive, Construction, Converter Solutions, Craft, Electronics, Food and Beverage, General Industrial, Military & Government, Packaging, Paper, Point of Purchase, Print, Signage, Specialty Vehicle, Transportation
Maximum Operating Temperature (Celsius)	121 ℃
Maximum Operating Temperature (Fahrenheit)	250 ℉
Minimum Operating Temperature (Celsius)	-40 ℃
Minimum Operating Temperature (Fahrenheit)	-40 ℉
Primary Liner	55# Densified Kraft Paper (DK)
Primary Liner Color	White
Primary Liner Thickness (Imperial)	3 mil
Primary Liner Thickness (Metric)	0.08 mm
Product Color	Transparent
Smallest Saleable Unit	Roll
Total Tape Thickness without Liner (Imperial)	3.9 mil
Total Tape Thickness without Liner (Metric)	0.099 mm, 0.1 mm
Units per Case	36.0,24.0,1.0,72.0,4.0,48.0

Dimensions and Classifications

Overall Length (Imperial)	36 yd, 108 yd
Overall Length (Metric)	32.91 m, 98.75 m
Overall Width (Imperial)	0.5 in, 0.75 in, 1 in, 1.5 in, 2 in, 8 in, 48 in
Overall Width (Metric)	12.7 mm, 19.05 mm, 25.4 mm, 38.1 mm, 50.8 mm, 122 cm, 203.2 mm