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Fiberglass Reinforced Polymer gratings and structures

M.M.: A STORY OF RELIABILITY We design and supply high quality standard customized solutions according to clients’ specific needs, to guarantee safety for the users of our products. M.M. s.r.l. was established in 1977 and was the first European producer of FRP gratings (Fiberglass Reinforced Polymers). M.M. has been growing steadily over the years, both in size (at the moment the company is operating in two plants on an area of 13,000 m²), as well as in its production range. Today M.M. offers gratings, profiles and structures in FRP (parapets, gangways, ladders, fences, gates) and a wide...

Our business reaches various markets in the world, directly or indirectly through our sales and distribution network. European market, chosen by our customers for the high quality of

OUR CUSTOMER SERVICES M.M. boasts a management quality system certificate ISO 9001 that guarantees high quality standards. We offer a highly experienced engineering team that is able to develop 3D modeling, structural calculation and drawings for any type of FRP structure, acheiving a high level of quality and precision. To guarantee maximum safety and reliability, we can carry out mechanical tests in a laboratory fully equipped with load cells, as well as chemical resistance tests of finished products by exposing them to chemicals under various environmental conditions. We offer cut to...

The FRP or GRP is commonly known as Fiberglass Reinforced Polymers. It is a material consisting of a matrix of thermosetting polyester resins reinforced in continuous glass fibers. These two components lend different properties to the material: the glass fibers give high mechanical resistance and represent the structural part, while the polyester resins tie together the glass fibers enabling stress distribution and high corrosion resistance. These properties allow their use in numerous applications. M.M.’s gratings are manufactured according to our own unique RTM (Resin Transfer Molding)...

THE ADVANTAGES OF OUR FRP LIGHT WEIGHT AND RESISTANT STRUCTURES EASY INSTALLATION MAINTENANCE FREE VERSATILE USE Excellent mechanical resistance/weight ratio In the FRP products, the glass fibers confer a high mechanical strength and if compared to steel’s weight it turns out to be more resistant. High dielectric properties FRP is non-conductive. Good fire reaction M.M. products can be manufactured in a self-extinguishing version. Resistance to chemical agents The resins used preserve the products’ characteristics - even if in permanent contact with most chemical compounds. Resistance to...

COMPARISON BETWEEN FRP AND STEEL FRP GALVANIZED STEEL STAINLESS STEEL CORROSION RESISTANCE Long resistance to a wide range of chemical substances (both acids and bases) and temperatures. It does not stand organic compounds. Does not stand sulfur compounds that destroy the zinc coat. Does not stand < 5.5 PH acids. Does not tolerate Cl- and Fl- ion compounds especially with fluid stagnation. Does not tolerate seawater. Very light Profile density 1,75 Kg/dm3 Grating density 1,40 kg/dm3 ELECTRIC PROPERTIES Excellent insulator Surface and volume electric resistivity > 200 MΩ High electric...

standard galvanized steel grating BEFORE TESTING Have a look at these tests done with the collaboration of the Università Tor Vergata in Rome. The tests were carried out by immersing the samples in the specified substances for the given time. The pictures clearly show that there were no significant modifications to the FRP grating.

FRP GRATINGS M.M. FRP gratings are designed with a high safety factor and are manufactured according to the DIN 25437-3 standard. La M.M. opera in diversi mercati nel Our gratings are manufactured in a wide range of sizes in order to guarantee mondo, direttamente o produced in an immediate solution to various design problems and are indirettamente attraverso monolithic panels that are easy and fast to install. la propria rete di agenti e distributori, con prevalenza nel mercato europeo, presentandosi They can be supplied with an anti-skid certified surface according to the DIN 51130...

MOLDED GRATINGS Micromesh, “high heel proof” gratings, are available for pedestrian areas and raised floors; square mesh gratings are specific for heavy load floors and are easy to install; rectangular mesh gratings are ideal for fences; covered gratings are distinguished by their lightweight and the high mechanical properties. HIGH CHEMICAL RESISTANCE GRATINGS Our high chemical resistance gratings, manufactured with isophtalic or vinylester resins, additive free, are appropriate for use in chemically aggressive environments. The structural shape is designed in order to achieve a greater...

PARAPETS M.M. offers parapets that are designed and built according to the EN ISO 14122 standard and guarantee maximum safety. VERTICAL LADDERS Our ladders are built according to the EN ISO 14122-4 standard and are tested according to the EN 131 standard. They are manufactured with FRP profiles and rungs fixed together with FRP pins. The safety cage is completely made with FRP profiles and assembled with S.S. screws. The ladder fasteners are made with FRP or S.S. brackets. MANHOLE LADDERS We supply CE labelled ladders according to the EN 14396 standard that are designed and built for...

PROFILES AND THEIR APPLICATIONS The M.M. pultruded profiles are available in isophtalic resin or others on demand. They combine a high chemical resistance and a remarkable mechanical resistance in addition to outstanding workability. The profiles are also available in the self-extinguishing version or in class E23. The features are certified according to the EN 13706 standard for their use where high mechanical performance is required. They are available in various shapes for the construction of structures, parapets, ladders, stairways or as frames for the installation of coverings. The...

STRUCTURES FOR ACCESS TO MACHINERY We build ladders, gangways and platforms with pultruded profiles, gratings and S.S. accessories according to the EN ISO 14122 Lastandard. in diversi mercati nel M.M. opera mondo, direttamente o indirettamente attraverso la propria rete di agenti e They can be supplied in different distributori, con prevalenza nel dimensions according to the mercato europeo, presentandosi customers’ del proprio are also come leader needs; they settore ed supplied interlocutore pre-assembled with privilegiato per l’alta complete parapet. e dei servizi qualità dei prodotti...