Materiali
La Map Tecnica dispone di una particolare esperienza e “know-how” nelle formulazioni delle resine fluorocarboniche e dei materiali plastici tecnici in generale. Abbiamo le conoscenze chimico / fisiche per realizzare sempre nuove formulazioni di “compounds” , dalle più semplici alla più complesse , per coprire ogni esigenza del cliente , delle sue applicazioni e di promuovere le nuove tecnologie dei materiali plastici per uso ingegneristico .
Map Tecnica è specializzata nella fornitura di materiali plastici tecnici ( i.e. engeneering plastics ) con una vasta gamma di semilavorati , nella maggior parte disponibili dal suo vasto stock o realizzati in poco tempo dalla sua produzione .
( Siamo specializzati nella lavorazione meccanica di tutte le materie plastiche con attrezzature e macchine speciali a controllo numerico, che ci consentono raggiungere e mantenere degli standard qualitativi altissimi ) .
FLUOROPOLIMERI / Virgin Grades
Main applications : Specially in static uses , requiring high sealing resistance under strong loads , superior chemical resistence in all conditions ( eg : bearings with low load and low speed , seat joints , seals .
Statement on suitability contact with foodstuff : FDA approved code Fed . Reg . 21 CFR Ch . 1 § 177 . 1550 - EU approved 1935 / 2004 - 10 / 20111 on plastic materials and articles to come in contact with food .
Materia plastica , liscia al tatto e resistente alle basse ed alle alte temperature (-240°C/+260°C) . Ha bassissimo coefficente di attrito ed è inerte nei confronti di praticamente tutti i reagenti chimici noti. Ha ottime qualità dielettriche, non è infiammabile ed è considerato un isolante termico. E' idoneo al contatto con sostanze alimentari, sostanze farmaceutiche ed acque potabili, con varie certificazioni ed approvazioni (USA/FDA, EU/ Regulations). Tipologie di PTFE vergine:
FLUOROPOLIMERI / Standard Compounds
Main applications : Widely used in dynamic applications requiring working seals and bearings also under heavy loads ( eg : piston and wear rings for dry compressors , sliding bearings , groved mechanical support . Excellent chemical resistence in all conditions . Use in all machineries also in food industry : statement on suitability for contact with foodstuff acc to FDA ( USA regulations , Federal code 21 CFR Ch . 1 § 177 . 1550 ( a ) ( 1 ) and ( b ) - Perfluorocarbon resins ) . scopri tutte le applicazioni
FLUOROPOLIMERI / Special Compounds
Moderate mechanical characteristics . Good thermal conductivity and low permeability. Excellent chemical resistance : inert to all substances .
Very low coefficient of friction ( static : 0,11 - 0,14 / dynamic : 0,08 -0, 11 ).
Main applications : Specially in dynamic uses requiring working seals and bearings . Excellent chemical
resistance in all conditions ( eg . bearings running at low and medium speed but with low loads , joints ,
cup - seals ) . Use in machinery and measuring equipment. In dynamic seals applications and where self - lubrificating properties are required ( eg. Steering or shock absorbers, gaskets for light and heavy duty vehicles , applications in electric motors ) . scopri tutte le applicazioni
MARLòN / High Performance Grades
Ideal use conditions : the best working in dry bearings , lubricated improve a lot the friction values .
Low friction coefficient : static = 0,15 - 0,17 // dynamic = 0,12 - 0,15
Main Applications : For continuous non-lubricated services ; sleeve and flange bearings are capable running up to PV = 10.000 ( eg.: piston and wear rings for dry compressors , sliding bearings and components. Excellent for rotating and alternating movements with sleeve , flange and trust bearings .
Stamped and formed seats .
Excellent chemical resistance in all conditions .
Use in all machineries ( automotive , textile , pums , insulators , mixers , wear bands ) .
Main applications : Widely used in dynamic applications requiring working seals and bearings also under heavy loads ( eg : piston and wear rings for dry compressors , sliding bearings , grooved mechanical support . Excellent chemical resistance in all conditions .
Use in all machineries also in bood industry : statement on suitability for contact with foodstaff acc. to
FDA ( USA regulations , Federal code 21 CFR Ch.1 § 177.1550 ( a ) ( 1 ) and ( b ) - Perfluorocarbon resins
and also acc. to EU 10 / 2011 . scopri tutte le applicazioni
Main applications: Widely used in dynamic applications requiring working seals and bearings with under heavy loads (eg: piston and wear rings for dry compressors, sliding bearings , grooved mechanical supports.
Excellent chemical resistence in all conditions. Use in all machinaries also in food industry: statement on suitability for contact with foodstuff acc. to FDA ( USA regulations, Federal code 21 CFR Ch. § 177.1550 (a)(1) and (b)- Perfluorocarbon resins. scopri tutte le applicazioni
resistance , expecially in extremely dry environments . Better thermal conductivity and chemical stability.
Electrically insulative properties . Ideal conditions : working in steam , welt , vacuum , dry environments .
Low friction coefficient : static : 0,12 - 0,14 // dynamic : 0,08 - 0,10 .
Main applications: : Widely used in dynamic applications requiring working seals with self - lubricating
properties , expecially at starting point . Typically used for bearings and cup - seals applications where both rotating and alternating movement are involved . ( eg: piston and wear rings for dry compressors , sliding bearings used in plywood machinery) . Also good use for seals and valve seats in hydrogen and natural gas compressors .
scopri tutte le applicazioni
Poor dielectric properties . Good thermal conductivity . Limited chemical resistence ( to bronze attack ) .
Good coefficient of friction ( static : 0,18 - 0,20 / dynamic : 0,16 - 0,18 ) .
Main applications : Specially in dinamic usese ( moderate and low speed ) requiring working seals and
bearings under heavy loads or compression where self - lubrificating properties are required .
Poor chemical resistance . Use in food machinery and automotive . General applications where resistance to high temperatures are required ( i. e. glass industry , building industrial ovens ). scopri tutte le applicazioni
HIGH PERFORMANCE MATERIALS
ENGINEERING RESINS