RelcaBond<sup>®</sup> Flock Adhesives and Primers for exceptional durability in weatherstrip application

RelcaBond® Flock Adhesives and Primers for exceptional durability in weatherstrip application

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Car manufacturers look for custom-made technologies to meet precise and changing market demands. Solutions like our RelcaBond®  Flock Adhesives fit that need with a versatile application and excellent adhesion qualities. This new line of adhesives for bonding flock fibers was developed in close cooperation with our automotive partners to maximize functionality on materials like EPDM rubber and other elastomer substrates.

A strong adhesive for weatherstrips and flocking

As market leader in coating and treatment technologies for flexible substrates like EPDM, Stahl offers a range of adhesives to be applied on all known elastomer substrates for weatherstrips and flocking. With our RelcaBond®  products, we have created a new line of environmentally conscious flock adhesives and adhesion promoters that hold many benefits in application, quality and resistance capacities. As flock adhesive, it is an easy to use, durable and more sustainable option, which makes it the best choice when it comes to product development that is driven towards environmentally conscious low-VOC, HAPs-free products.

Key benefits of our RelcaBond®  flock adhesives

When compared to competitive products, RelcaBond®  demonstrates excellent adhesion properties, superior flock density and durability. Unique in their high solids chemistry with both 1K and 2K options available, RelcaBond®  Flock Adhesives and adhesion promoters have excellent flexibility, chemical resistance and enhanced density. To achieve maximum performance, it is recommended to apply RelcaBond®  products at a 35-micron minimum dry film thickness.

Key Benefits

RelcaBond®  and Adhesion Promotors

ProductApplicationSystemColorGreen SolventSolids (%)Description
RelcaBond®  821
Flock Adhesives / CrosslinkersSolvent 1KClear48 (+/-2)
A single component, BTX- free, HAPSfree adhesive that exhibits superior flock density. The addition of RelcaLink 80 also allows this system to become a 2K and be processed on shorter and hotter extrusion lines
RelcaBond®  815
Flock Adhesives / Crosslinkers
Solvent 2KClear
48 (+/-2)

Exhibits all the same qualities as our Relcabond 820 as a two-component block adhesive system, but with improved chemical resistance for molding processing capabilities 

RelcaBond®  820
Flock Adhesives / CrosslinkersSolvent 2KClear
72 (+/-2)

A low-VOC, non-staining, BTX-free, HAPs-free flock adhesive with excellent adhesion. It exhibits superior flock density and durability

RelcaLink®  80
Flock Adhesives / CrosslinkersCrosslinkerClear
80 (+/-2)

The crosslinking system for our RelcaBond 820

RelcaBond®  Primers and adhesion promoters for added coating performance

We do not merely want to meet expected requirements; we want to exceed them. That’s why our RelcaBond®  portfolio also contains primers and adhesion promoters for added coating performance. These ensure that our solutions offer excellent adhesion to EPDM, green and vulcanized rubbers. Our RelcaBond®  900 is a HAPs-free, mild solvent primer for improved adhesion to any low surface energy substrate. RelcaBond®  620 is water-based and even suitable for wet-on-wet adhesion.

RelcaBond®  Primers/Adhesion promoters

ProductApplicationSystem ColorAPEO FreeSolids (%)Description
RelcaBond®  620PrimerWaterClear
16.5  (+/-2)

This primer is used for improved adhesion to EPDM, TPO, NBR, HDPE, or any lowsurface-energy substrate that is difficult to adhere. Can be applied "wet on wet"

RelcaBond®  620 - LS
PrimerWater Clear
9 (+/-1)Same as above with lower solids

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RelcaBond<sup>®</sup> Flock Adhesives and Primers for exceptional durability in weatherstrip application
Anne Craig
Global Market Manager Elastomer Coatings & In Mould Coatings