EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 61249-4-16 testing. IEC EN 61249-4-16 gives the requirements for prepreg properties intended mainly for use as bonding sheets in conjunction with laminates according to IEC EN 62326-4-61249 when producing multilayer sheets according to IEC EN 2-37.
Multilayer boards made of these materials are suitable for lead-free assembly operations. This material can also be used to bond other types of laminate. According to this standard, Prepreg has defined flammability (vertical combustion test). The degree of flammability on the fully cured prepreg is achieved through the use of non-halogenated flame retardants as an integral part of the polymeric structure. The glass transition temperature is defined as 150°C and 200°C after the prepregin has cured according to the supplier's instructions.
When assessing the presence of broken filaments, not only their size and frequency of occurrence, but also the flow characteristic of the prepreg must be considered to assess acceptability. Acceptance conditions for broken filaments will be as agreed between the user and the supplier.
A number of features can define the thickness, reactivity, and rheology of the B-stage prepreg. The selection of features to be used as a quality and quality conformity test, as well as the nominal performance levels, are as agreed between the user and the supplier.
The nominal thickness and tolerance of the cured prepreg shall be as agreed between the user and the supplier. The prepreg tested should be glued together and fully cured according to the manufacturer's recommendations. The test method will be as agreed between the user and the supplier.
EUROLAB assists manufacturers with IEC EN 61249-4-16 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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