54321 [Master PI]
[Master PI]
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tesa® 54321
Precision die cuts for permanent hole covering of venting holes
Product description
tesa® 54321 is a thick PET-fleece with acrylic adhesive. This product is optimized for the automotive industry to cover venting holes.
The product is designed as a die cut, where the inner ring zone is free of adhesive to generate the venting effect. The outer ring zone is coated with a strong adhesive to ensure permanent bonding.
Features:
- High air permeability (DIN EN ISO 9237): ≥ 2360 L/m²s
- Strong adhesive ensures permanent bonding even at high stress
- Thick PET-fleece prevents PU-foam from oozing out during infusion process
- Reduces cleaning and rework
Main applications
Expanding PU-foams are often used to reduce NVH (noise, vibration, harshness) and provide additional stiffness by local reinforcement of body structures for crash and energy management.
tesa® 54321 venting tape prevents squeezing out of the PU-foam during the infusion and foaming process by allowing air flow through the non-coated fleece backing and thereby avoiding excess pressure.
Technical properties
Backing material
PET fleece
Color
white
Total thickness
690 µm
Type of adhesive
tackified acrylic
Adhesion to Steel (initial)
8.5 N/cm
Type of liner
glassine
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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