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Piezas pequeñas

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8 article   /   23 Variants
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  • Ventosa con rosca exterior
    3 Variants
    Ventosa con rosca exterior
    from 0,55 €
    soft-PVC, transparent, colourless, Shore hardness about 65 Sh-A, with moulded steel screw, galvanised
  • Tuerca moleteada
    3 Variants
    Tuerca moleteada
    from 0,30 €
    polyamide (PA) or polycarbonate (PC)
  • Ventosa con botón
    5 Variants
    Ventosa con botón
    from 0,15 €
    soft-PVC, transparent, colourless, Shore hardness about 65 Sh-A
  • Ventosa con gancho
    5 Variants
    Ventosa con gancho
    from 0,25 €
    soft-PVC, transparent, colourless, Shore hardness about 65 Sh-A, with moveable polycarbonate hook or nickel-plated steel hook
  • Ventosa con agujero transversal
    2 Variants
    Ventosa con agujero transversal
    from 0,30 €
    soft-PVC, transparent, colourless, Shore hardness about 65 Sh-A
  • Ventosa con agujero vertical
    2 Variants
    Ventosa con agujero vertical
    from 0,15 €
    soft-PVC, transparent, colourless, Shore hardness about 65 Sh-A
  • Bola con rosca interior
     
    Bola con rosca interior
    from 1,20 €
    polyamide
  • Ventosas especiales
    2 Variants
    Ventosas especiales
    from 0,25 €
    soft-PVC, transparent, colourless, Shore hardness about 65 Sh-A
Información sobre Ventosas

Suction cups stick to very smooth surfaces like glass, glossy tiles or varnished wood. Even matte bathroom tiles, it should be noted, will negatively effect their adhesive strength.

In order to attain a good amount of adhesive strength, both the intended surface and the suction cup should be cleaned with glass cleaner to remove any grease or other impurities. The suction cups should be pressed into place after the surface and cups themselves are clean and dry. Contrary to the supposed common knowledge, suction cups should NOT be applied when wet.

When correctly applied, the suction of the cups should hold for 4 – 5 years. This is not affected by the yellowing of the soft PVC, which begins after about 2 years..

If transparent suction cups are attached to an auto’s windscreen, it can be that under the influence of intense sunshine a burning-glass effect will result which can burn a hole in the dashboard. This undesirable side effect can be avoided by simply employing the opaque versions of the cups.

Also interesting: the most efficient retention force proportionate to size is found with the suction cups with a diameter of 40 mm. If the air remaining under a suction cup expands as a result of, for example, being heated, the smaller suction cups will lift off of the surface. In the case of the 40 mm suction cups, however, their surface area is large enough that the suction will hold. This is especially noteworthy in the case of display windows and windscreens which are exposed to a great many temperature swings.

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