Spheretex

Sphere Tex SN

A fabric made of E-glass fibers which is volumised by embedding thermoplastic microspheres. Due to good drapeability, low resin absorption and high stability characteristics, while being lightweight at the same time, it is particularly suitable for high-tech GFK products, also in combination with carbon and aramid fibers. The SN quality is additionally treated mechanically, thus making the material more flexible and giving it a better drapeability.

SPHERETEX SN is a new development based on the same types and qualities as the standard SPHERETEX.
The reason for the development of SPHERETEX SN was to improve the handling especially by using this product in hand-lay- up and spray-up systems.
The material consists of woven or knitted fiber hanks (E-glass, Aramid, Carbon or other textile fibres) and embedded thermoplastic microspheres
By an additional production process SPHERETE X SN becomes very soft which improves the drapeability for the
production of FRP-parts with complicate shapes.
SPHERETEX SN can be combined with several layers up to the wanted thickness. The whole laminate including the outside layers of mat or fabric, is produced „wet-in-wet“ in one shot.
Due to the voluminosity of SPHERETEX SN it is sensible to first apply 30 - 40 % of the resin required to the bottom side. This can be done either by turning the SPHERETEX SN round or by impregnating the material outside the mould. SPHERETEX SN should be impregnated with resin to full saturation. Oversaturation is impossible. The superfluous resin is taken up by the cover layers on top.
Application fields
SPHERETEX SN can be used in all those industrial GRP-parts, which shall be have low weight and extreme high
physical properties in on time. A sandwich construction with a core of SPHERETEX SN has an much higher impact
strength (2 - 3 times) than a standard laminate with pure glassfiber. SPHERETEX is the only laminatable
construction material, which combines the properties of a weight reducing core- with the high physical properties of a
reinforcing material. The main application fields are: FRP-boats, railways, motor cars, flat or shaped panels, roof
constructions, surfboard etc.
Types of resin
SPHERETEX SN can be laminated with the following types of resin: unsaturated Polyester (preferably 400 - 500 cp),Epoxy-resins, PU-resins, Phenolic resins.