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POLYMERIC COATINGS

Coatings

POLYMERIC COATINGS

Zocca Coatings provides polymeric coatings such as PTFE, FEP, PFA, ETFE, PEEK, Polyurethanes, Silicones and Resins of a Ceramicand Carbon-ceramic nature for applications at very high temperature developed with Sol-Gel technology. . Metal, plastic and carbon fibre surfaces can be coated with thickness ranging from 5 to 500 um.

These coatings confer to surfaces a number of properties that are impossible to achieve with other coatings:
  • Exceptional non-stick behaviour
  • Low friction coefficient
  • Excellent heat resistance
  • Cryogenic stability
  • Water repellency and hydrophobicity/ Non-wetting
  • Corrosion resistance
  • High dielectric strength
Several industries use these coatings, including:
  • Packaging
  • Pharmaceutical & Medical
  • Food
  • Aeronautical
  • Automotive
  • Chemical and Electrical
  • Printing and Thermoforming
  • Dry cleaning

TYPES OF COATINGS

The families of coatings and some of the advantages they can offer are illustrated below:

Coatings based on ceramic nanoparticles represent the industrial development of ceramic coatings used in cookware and bakeware. Zocca offers a product line described as “carbon ceramics” that can be applied on metals and metal alloys, plastics (e.g. rapid prototyping parts), carbon fibre and others

Properties:

Anti-stick properties and low friction coefficient, transparent finish.

Applications:

The defence sector, application at very high temperatures (even over 1000°C).

Different fluoropolymer-based coatings, both monolayer and multilayer, are available: PTFE, PFA, FEP ETFE, HALAR. Coatings loaded with other resins are also available for even higher performance. Zocca obtained the qualification of Licensed Industrial Applicator from Du Pont de Nemours, a global leading company for fluoropolymers.

Properties:
Outstanding non-stick behaviour, low friction coefficient, excellent thermal resistance, cryogenic stability, chemical resistance, water repellency, high dielectric strength.

Applications:
Suitable for food contact applications according to the European and American standards (FDA).

Multilayer Ceramic + fluoropolymer coatings consist of a lower ceramic layer applied with Thermal Spray technology, and an upper fluoropolymeric layer.

Properties:
Outstanding wear resistance

Applications:
Welding rods, parts subject to high stresses.

Coatings in polyurethanes and silicon rubbers, can be created through casting and spray or brush painting.

Properties:
Wear resistance, protection against impact, increase of grip, noise reduction, excellent non-stick properties, available in a variety of colours and hardnesses.

Applications:
Situations in which grip strength is required, glues and adhesive tapes, vibratory mould cups, paper industry, ceramics processing, textile industry, pharmaceutical packaging machines, food contact applications according to the European and American standards.

The additive grades with PTFE or other fluoropolymers combine the sliding properties of fluorinated coatings with the wear resistance typical of PEEK polymer; the FDA certifications that accompany them allow their application in all fields.

Properties:
High wear and abrasion resistance, excellent release properties, continuous use possible till 260° C.

Applications:
Food contact applications according to the American standards (FDA), multisectoral applications.

These coatings are applied either via electrostatic painting or through immersion in a fluidized bed. The latter technique consists of introducing the preheated part into a tank filled with the raw coating material as fine powder.

Properties:

Excellent dielectric strength, very good chemical resistance against a wide range of substances, available in a variety of colours, thickness adjustment up to a few tenths of a millimetre.

Applications:

Electrical insulation, surface protection.

Polyamide 11 coatings can be applied either via electrostatic painting or through immersion in a fluidized bed. They are obtained from powders of 100% vegetable origin.

Properties:

High wear resistance, very good impact properties, outstanding chemical resistance to grease, hydrocarbons, acids, bases and salts, outstanding resistance to weathering and UV rays, suitable for food contact applications.

Applications:

Automotive, fluids transportation, textile industry, food sector, pharmaceutical and medical industry, urban furniture.

Coatings in modified Polyolefins are obtained from fine powders through immersion in a fluidized bed. These coatings can withstand significant impact, extreme weather conditions, chemical attack, corrosion and atmospheric pollutants.

Properties:

Excellent adhesion on metals, good insulating properties, resistance to abrasive wear and impact, available in a variety of colours

Applications:

Fence rods and panels, signboards, street furniture, balustrades, pipes for fluid transportation (also for drinking water), cable supports and sheaths, garden furniture, gutter supports and metal items in general.

girante_con_rivestimento_fep.921a9585db52dcdf35233031f1d6d4d9girante_con_rivestimento_fep.921a9585db52dcdf35233031f1d6d4d9
FEP ON IMPELLER FOR AUTOMATIC MACHINE
The main function of this coating is the non-stick behaviour and it is suitable for food contact.
cesto_asciugatrice.921a9585db52dcdf35233031f1d6d4d9cesto_asciugatrice.921a9585db52dcdf35233031f1d6d4d9
PFA ON DRYER BASKET
Avoids plastic residues sticking to the basket.
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FEP ON CHEESE DISPENSER
Allow perfect calibration of the single-dose pouches.
caldaia_per_macchina_caffe.921a9585db52dcdf35233031f1d6d4d9caldaia_per_macchina_caffe.921a9585db52dcdf35233031f1d6d4d9
PTFA ON COFFEE BOILER MACHINE
The coating slows down the formation of limescale deposits on the heated coils.
isolamento_elettrico_su_rame.921a9585db52dcdf35233031f1d6d4d9isolamento_elettrico_su_rame.921a9585db52dcdf35233031f1d6d4d9
ELECTRICAL INSULATION ON COPPER
Isocynate bicomponent coatings
halar_-_pulegge.921a9585db52dcdf35233031f1d6d4d9halar_-_pulegge.921a9585db52dcdf35233031f1d6d4d9
HALAR ON PULLEYS
The ECTFE coating combines anti-adhesion characteristics and chemical barrier typical of fluorinated products with very high wear resistance.
halar_-_compressore_volumerico.921a9585db52dcdf35233031f1d6d4d9halar_-_compressore_volumerico.921a9585db52dcdf35233031f1d6d4d9
HALAR COATING ON VOLUMETRIC COMPRESSOR
The ECTFE coating combines anti-adhesion characteristics and chemical barrier typical of fluorinated products with very high wear resistance.
circuito_stampato_rivestito_con_ossidi_di_silicio.921a9585db52dcdf35233031f1d6d4d9circuito_stampato_rivestito_con_ossidi_di_silicio.921a9585db52dcdf35233031f1d6d4d9
SILICON OXIDES ON PRINTED CIRCUIT BOARD
The coating reticulates at room temperature and protects against oxidation and moisture.
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PTFE ON ALUMINIUM CONTAINERS FOR THE COOKING OF FOOD
Allows rapid cleaning.
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POLYURETHANE 60 SHORE A ON CLAMPS
Has the main function of preventing the formation of marks on the clamped pieces.
piastra_crepes.921a9585db52dcdf35233031f1d6d4d9piastra_crepes.921a9585db52dcdf35233031f1d6d4d9
FOOD CONTACT GRADE PTFE ON CREPES PLATE
The non-stick coating is applied both on new plates and on worn plates.
segnalatori_di_livello.921a9585db52dcdf35233031f1d6d4d9segnalatori_di_livello.921a9585db52dcdf35233031f1d6d4d9
FEP ON LEVEL MARKERS
The bicolour coating is functional to food plants.
rullo.921a9585db52dcdf35233031f1d6d4d9rullo.921a9585db52dcdf35233031f1d6d4d9
PTFE COATING ON PACKAGING MACHINES ROLLERS
Provides non-stick behaviour at high temperature for the melting of plastic films for sandwich creation.
rullo_in_vetroresina_rivestito_con_carboceramico.921a9585db52dcdf35233031f1d6d4d9rullo_in_vetroresina_rivestito_con_carboceramico.921a9585db52dcdf35233031f1d6d4d9
CARBON CERAMIC COATING ON FIBREGLASS ROLLER
Protects non-metallic materials unable to withstand high process temperatures.
rulli_in_acciaio.921a9585db52dcdf35233031f1d6d4d9rulli_in_acciaio.921a9585db52dcdf35233031f1d6d4d9
CERAMIC SOL GEL ON STEEL ROLLERS
Suitable for high temperature applications.
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POWDER FEP COATING ON POLYURETHANE MOULD
The coating enables easy detachment of castings.
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FEP ON RUBBER MOULDS
Allows easy detachment of rubber moulds even of complex shapes.
stampo_crepes.921a9585db52dcdf35233031f1d6d4d9stampo_crepes.921a9585db52dcdf35233031f1d6d4d9
FOOD CONTACT GRADE PTFE ON WAFFLES PLATES
The non-stick coating is applied both on new plates and on worn plates.
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FDA POLYURETHANE ON DRY PASTA CONVEYING CUPS
The food-grade polyurethane coating prevents crushing of the pasta and wear of the cup.
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PTFE ON VIBRATING CUP
The low friction coefficient allows the ascent of very light products.
stampo.921a9585db52dcdf35233031f1d6d4d9stampo.921a9585db52dcdf35233031f1d6d4d9
POWDER FEP ON THERMOFORMING MOULDS
Allows the deformation of transparent plastics without creating grooves.
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POWDER FEP ON TYRE MOULDS
Allows easy detachment of the tyre from the mould.
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PTFE COATING ON STEAK PLATE
Non-stick coating, suitable for food contact.
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PTFE ON WELDING BARS FOR PACKAGING MACHINE
Non-stick behaviour toward the plastic film for packaging. A ceramic thermal spray APS coating can be applied as base coat to improve wear and abrasion resistance.
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FOOD CONTACT GRADE SILICONE ON INDUSTRIAL COMB
Enhances the grip of the part and is suitable for food contact applications.
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PFA ON FUMES EXTRACTION FAN
Protects the fan surface from fumes.
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POLYURETHANE COATING ON VIBRATING CUP
The polyurethane 95 Shore A facilitates sliding and protects the cup surface against abrasive wear.
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POLYAMIDE 11 ON PASTA CONVEYOR SYSTEM
The food contact grade RILSAN coating facilitates sliding and protects the conveyor surface against abrasive wear.
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EPOXY COATING ON STATOR
Racing motorbike stator coated with epoxy resin for electrical insulation.
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PPA 571 COATING ON INDUSTRIAL MACHINES HANDLE
The Polyolefins coating confer excellent resistance to abrasion and impact. It allows an improved and more comfortable grip.