Q: Functionality and durability

Based on our current findings, the following functionalities can be expected from 3M™ Thermoscript foils. Durability is generally not below the specified times under vertical outdoor weathering, provided the foil has been professionally processed and applied according to 3M recommendations: Durability: Outdoor use: 2-3 years / Indoor use: virtually unlimited Shelf Life: 2 years Recommended Storage Conditions: 23°C / 50% relative humidity. Storage of film/label rolls in polybags is recommended.

Q: Processing

Printing: Screen / Letterpress / Flexo / Offset printing processes A color qualification test is required before series production. Note: It is advisable to also test the base print for chemical resistance if necessary! Thermal Transfer Printing: The special surface coating of 3M Thermoscript films is very well suited for subsequent labeling using the thermal transfer printing process. The optical appearance and durability of the subsequent labeling depend on the ribbon used. To achieve an optimal print image, the printing speed and the transfer temperature of the print head may need to be varied. Die-cutting: Sharp blades and minimal web tension are recommended, to avoid possible adhesive bleed. Substrate Pre-treatment / Application: See Processing Information KG-054

Q: Resistance

Condensation test according to DIN 50017 Exposure 48 hours: no change Film adhered to stainless steel, tested after 72 h storage in standard climate 23/50, DIN 50014.

Q: Specifications

ISO 9002: The manufacturer’s quality assurance system is certified according to EN ISO 9002.

Question 1

Product Description

Accepted Answer

The 3M Security Film 76968E consists of an easily destructible film material, which was specially developed for tamper-evident labeling.
Sufficiently large labels made from this foil, when properly applied, cannot be removed in one piece; instead, they shred or split. This destruction prevents the transfer of labels to another surface. 
Foil 76968E is therefore particularly suitable for security applications with a document-like character, such as inspection marks or tamper-evident seals.
The moisture-resistant foil is flexible, yet it possesses high tear resistance.

Question 2

Construction

Accepted Answer

Product
Color
Foil thickness in mm
Adhesive thickness in mm
Liner Paper In mm (g/m²)
Release liner

76968E
White matte
0,109
350E
0.020
0.077
(90)
Densified paper,
single-sided siliconized

Question 3

Physical properties

Accepted Answer

Material
Polyethylene

Temperature Resistance:
(adhered to aluminum)
-40°C to +90°C
no visible change

Dimensional Stability:
(tested according to DIN 30646)
Index 02
(Shrinkage < 0.2%)

Fire Behavior when Adhered:
Self-extinguishing after 15 seconds, does not drip

Opacity:
Provides good coverage for high-contrast substrate colors

Fungal Resistance:
fungus-resistant, not fungus-promoting

Substrate Corrosion:
does not cause corrosion on the adhered substrate

Adhesive:
Self-adhesive, acrylate-based, Series 350E, suitable for polyethylene and polypropylene

Adhesive Type:
(according to DIN 30646)
PNS (Permanent, Low-Temperature, Special Adhesive)

Minimum Application Temperature:
+5°C

Question 4

Functionality and durability

Accepted Answer

Based on our current findings, the following functionalities can be expected from 3M™ Thermoscript foils. Durability is generally not below the specified times under vertical outdoor weathering, provided the foil has been professionally processed and applied according to 3M recommendations:

Durability:
Outdoor use: 2-3 years /
Indoor use: virtually unlimited

Shelf Life:
2 years

Recommended Storage Conditions:
23°C / 50% relative humidity.
Storage of film/label rolls in polybags is recommended.

Question 5

Processing

Accepted Answer

Printing:
Screen / Letterpress / Flexo / Offset printing processes
A color qualification test is required before series production.
Note: It is advisable to also test the base print for chemical resistance if necessary!

Thermal Transfer Printing:
The special surface coating of 3M Thermoscript films is very well suited for subsequent labeling using the thermal transfer printing process.
The optical appearance and durability of the subsequent labeling depend on the ribbon used.
To achieve an optimal print image, the printing speed and the transfer temperature of the print head may need to be varied.

Die-cutting:
Sharp blades and minimal web tension are recommended,
to avoid possible adhesive bleed.

Substrate Pre-treatment / Application:
See Processing Information KG-054

Question 6

Resistance

Accepted Answer

Condensation test according to DIN 50017
Exposure 48 hours: no change
Film adhered to stainless steel, tested after 72 h storage in standard climate 23/50, DIN 50014.

Question 7

Specifications

Accepted Answer

ISO 9002:
The manufacturer&#8217;s quality assurance system is certified according to EN ISO 9002.

Material	Polyethylene
Temperature Resistance: (adhered to aluminum)	-40°C to +90°C no visible change
Dimensional Stability: (tested according to DIN 30646)	Index 02 (Shrinkage < 0.2%)
Fire Behavior when Adhered:	Self-extinguishing after 15 seconds, does not drip
Opacity:	Provides good coverage for high-contrast substrate colors
Fungal Resistance:	fungus-resistant, not fungus-promoting
Substrate Corrosion:	does not cause corrosion on the adhered substrate
Adhesive:	Self-adhesive, acrylate-based, Series 350E, suitable for polyethylene and polypropylene
Adhesive Type: (according to DIN 30646)	PNS (Permanent, Low-Temperature, Special Adhesive)
Minimum Application Temperature:	+5°C

Durability:	Outdoor use: 2-3 years / Indoor use: virtually unlimited
Shelf Life:	2 years
Recommended Storage Conditions:	23°C / 50% relative humidity. Storage of film/label rolls in polybags is recommended.

Printing:	Screen / Letterpress / Flexo / Offset printing processes A color qualification test is required before series production. Note: It is advisable to also test the base print for chemical resistance if necessary!
Thermal Transfer Printing:	The special surface coating of 3M Thermoscript films is very well suited for subsequent labeling using the thermal transfer printing process. The optical appearance and durability of the subsequent labeling depend on the ribbon used. To achieve an optimal print image, the printing speed and the transfer temperature of the print head may need to be varied.
Die-cutting:	Sharp blades and minimal web tension are recommended, to avoid possible adhesive bleed.
Substrate Pre-treatment / Application:	See Processing Information KG-054