Active Play AS H 8005 is the fifth in a row, one-component pre-polymer adhesive based on methylenediphenyl diisocyanate (MDI). Alike previous versions of the adhesive, it is made of aromatic isocyanates, therefore, it is not resistant to UV radiation. That is why the surface (e.g. sport surface) made with the use of this adhesive should be protected with the additional layer of UV resistant product. The sunlight may cause colour degradation, especially in the case of using brighter colours of granules, e.g. EPDM or SBR. It is worth stressing that the open time for such type of adhesive is longer by up to 12 hours (after using water mist from the atomiser). Alike previous versions of the adhesive, it can be used to produce both cold and hot formed elements from SBR or EPDM rubber granules.
It is important that the use of the adhesive should be preceded by the so-called rubber granules moisture with the use of pre-polymer. Before applying, rubber granules should be mixed with the adhesive in a special mixer. Then moistened granules should be put in a mould so that the curing reaction takes place during press pressure both under the influence of temperature and moisten. The properties of the element formed depend on granulation of rubber granules, composition and the amount of Active Play AS H 8005 used, while in the case of forming – also on the compression level while curing.
This product is distinguished as it can produce a very flexible adhesive. It should be stressed that most often the adhesive is subject to a hot curing process at high temperatures from 70 to 150°C. The temperature is selected depending on the technology used. An increased temperature and moisture shorten the total curing time. Too high temperature may cause overheating of the adhesive as a result of which a brittle element is created. In order to obtain more stable and durable colour, the curing technology with lower temperature and higher amount of moisture should be used. It can be obtained by adding a suitable amount of water to granules at the moment of mixing it with the adhesive. The total forming time depends on a few parameters, e.g. on the temperature, thickness of the layer and humidity. The curing process can be accelerated by using water, catalyser or a solution consisting of both of these components.
One-component Active Play AS H 8005 adhesive is a completely safe product for the natural environment because it does not contain organic solvents.
Main application advantages of the product:
Easy application of the adhesive to be combined with rubber granules for the purpose of producing higher flexibility surface
A wide application range of the adhesive because of the possibility of both hot and cold processing
High temperature resistance – the ability to use temperatures from 70°C to 150°C to produce the elements formed
Increased humidity enables to shorten the process of curing the surface or the element
Colour stability can be obtained at a lower temperature and higher humidity
Possible cost reduction – forming of elements without press heating
Technical properties of the adhesive:
Adhesive consumption: 5-17 % depending on the amount of granulate and fraction
Open time (determined using a water mist from the atomiser): 8-12 hours
Density at 25°C: 109 – 1.11 g/ml
Dynamic viscosity at 25°C: 1500 – 3750 mPa⋅s
Content of NCO groups: 9.0 – 11.0 % (m/m)
Features at 25°C: clear (sometimes milky) liquid, colourless to yellow
All the above information related to the product are provided according to the best knowledge of the manufacturer and published in good faith. However, the manufacturer does not guarantee the information and contents of this document are complete and accurate, and shall not be liable for the results of using them. The user is obliged to verify and confirm the information and contents of this documentation on his/her own. The manufacturer reserves the right to change the content of this document at any time without stating reasons of such changes.
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