tesa® ACX^plus 74512 Seal Line

Heat-activatable acrylic foam tape

Product Features

Outstanding dynamic T-block performance
Superior dynamic shear resistance
PFAS / PFOS free Product

All product features

Product description

tesa® ACX^plus 74512 Seal Line is a deep black acrylic foam tape for permanent mounting of door seals, sun roof seals and Obstacle Detection System (ODS) profiles. The adhesive gets activated by hot air or near-infrared when applying it onto the PP/EPDM, PP, TPV, or TPE seal.

Compared to the conventional process with primer, tesa® ACX^plus 74512 Seal Line ensures a highly secure bond to the rubber profile, enables a higher application speed than using primer, and improves the operational safety during the production process.

Its outstanding cold shock resistance is based on a modified acrylic foam core, which assures a reliable bond even at extreme low temperatures. Being viscoelastic, tesa® ACX^plus 74512 Seal Line absorbs and dissipates dynamic and static loads optimally. This exceptional capability enables tesa® ACX^plus 74512 Seal Line to compensate for extreme physical stress caused by the different thermal elongation of bonded parts in rapidly changing temperatures.

The deep black color provides an enhanced appearance and high design flexibility.

The density of the acrylic foam is 800 kg/m³.

Product details and specifications

Product Features

Outstanding dynamic T-block performance
Superior dynamic shear resistance
PFAS / PFOS free Product
Efficient and secure bonding of the heat-activatable layer to seals
No lift up on curved surfaces
Strong bonding that withstands humidity and heat
Closed cell acrylic foam core for reliable sealing to prevent water penetration
High humidity and UV resistance
Excellent cold shock performance

Application Fields

tesa® ACX^plus 74512 Seal Line can be widely used for mounting of door seals, sun roof seals, Obstacle Detection System (ODS) profiles and different types of seals for recreational vehicles.

Adhesive Type	modified acrylic
Backing material	foamed acrylic
Color	deep black
Total thickness	1,200 µm
Type of adhesive to seal	heat-activatable

Elongation at break	400 %
Tensile strength	30 N/cm
Temperature range	- 40 to + 80
Ageing resistance (UV)	very good
Humidity resistance	very good
Static shear resistance at 120°C	very good
Static shear resistance	very good

Adhesion to Clear coat (after 20 min)	52 N/cm
Adhesion to Clear coat (after 24 hrs)	52 N/cm
Adhesion to EPDM (after 10 days)	49 N/cm
Adhesion to EPDM (after 7 days)	60 N/cm
Adhesion to Steel (after 3 days)	32 N/cm

PV28 = royal blue film liner, heat sealable for heat tabbing, silicone free
PV29 = royal blue heat sealable and adhesive tabbable film liner
Adhesion to clear coat: tape mounted on tesa standard clear coat 3h after painting and curing
Adhesion to EPDM: T-Peel Test, all tests reach cohesive failure
Temperature range and static shear resistance: values are load dependent

tesa® products prove their impressive quality day in, day out in demanding conditions and are regularly subjected to strict controls. All technical information and data above mentioned are provided to the best of our knowledge on the basis of our practical experience. They shall be considered as average values and are not appropriate for a specification. Therefore tesa SE can make no warranties, expressed or implied, including, but not limited to any implied warranty of merchantability or fitness for a particular purpose. The user is responsible for determining whether the tesa® product is fit for a particular purpose and suitable for the user’s method of application. If you are in any doubt, our technical staff will be glad to support you.

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Product information_tesa® ACX^plus 74512_en 82.6 kB

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Product comparison

Name of product	tesa® ACXplus 74512 Seal Line	tesa® ACXplus 74508 Seal Line	tesa® ACXplus 74712 Seal Line	tesa® ACXplus 73604 Seal Line	tesa® ACXplus 73808 Seal Line	tesa® 52215	tesa® ACXplus 73608 Seal Line	tesa® ACXplus 7805 Black Line	tesa® 6308 New Bond	tesa® 6305 New Bond	tesa® 6311 New Bond
Total thickness	1,200 µm	0.8 mm	1,200 µm	400 µm	800 µm	150 µm	800 µm	500 µm	800 µm	500 µm	1,100 µm
Adhesive Type	modified acrylic	modified acrylic	acrylic	acrylic	specialty	water-based acrylic	acrylic	modified acrylic	LSE	LSE	LSE
Backing material	foamed acrylic	foamed acrylic	foamed acrylic	Acrylic foam	Acrylic foam	non-woven	Acrylic foam	foamed acrylic	Acrylic foam	Acrylic foam	Acrylic foam
Type of adhesive to seal	heat-activatable	heat-activatable	heat-activatable	acrylic	heat-activatable		acrylic
Tensile strength	30 N/cm	30 N/cm	19 N/cm	1.6 N/cm	19 N/cm	10 N/cm	3.6 N/cm
Elongation at break	400 %	400 %	500 %	500 %	500 %	5 %	500 %	1,400 %
Color	deep black	deep black	deep black	gray	gray	translucent	gray	deep black	gray	gray	gray

Last updated on Apr 16, 2024

tesa® ACXplus 74512 Seal Line

Product details and specifications

Product Features

Application Fields

Additional Info

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tesa® ACX^plus 74512 Seal Line