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KM I-CHAR 21 WATER-BASED INTUMESCENT PAINT  FOR THE FIRE PROTECTION OF THE  STEEL AND CONCRETE STRUCTURES
KM IMPIANTI SRL

KM I-CHAR 21 WATER-BASED INTUMESCENT PAINT FOR THE FIRE PROTECTION OF THE STEEL AND CONCRETE STRUCTURES

KM I-CHAR 21 is used for the fire protection of steel structures, concrete, reinforced concrete,

compartmentation masonries in brick or concrete and in other fields of application.

It guarantees a class of fire resistance up to 2 hours.

KM I-CHAR 21 is an high performances water-based intumescent paint, with low VOC. The active solids, the

strength of the intumescent foam and the use of nanofillers guarantee an efficient fire barrier.

The fast development of a stable carbon foam with low coefficient of heat transmission guarantees an

efficient protection of the flammable and inflammable substrates.

Специфікація
  • KM I-CHAR 21 is used for the fire protection of steel structures, concrete, reinforced concrete,

    compartmentation masonries in brick or concrete and in other fields of application.

    It guarantees a class of fire resistance up to 2 hours.

    KM I-CHAR 21 is an high performances water-based intumescent paint, with low VOC. The active solids, the

    strength of the intumescent foam and the use of nanofillers guarantee an efficient fire barrier.

    The fast development of a stable carbon foam with low coefficient of heat transmission guarantees an

    efficient protection of the flammable and inflammable substrates.

    Its features are certified eco-compatibility by different reports as the Swedish EPD according to EN ISO

    16000 for the indoor emissions.

    (Intumescence is the “swelling during carbonization”)

    Special chemical compounds react with temperature exceeding 200°C, forming a low density foam of

    volume up to 100 times the original mixture. This foam can guarantee an efficient barrier against the heat

    transmission, protecting the substrate.

    The fire resistance of the structures is very important for the security in case of blaze. In case of fire in

    buildings, factories, hotels, airports, malls, schools, hospitals, cinema, theaters, multilevel carparks etc., the

    intumescent paints increase the strength of the structures, and they allow to save lives, preserving the

    structure, to allow the carrying of the occupants and the working of firemen.

    USE AND APPLICATION

    An adequate preparation (cleaning, degreasing and removal of fine particles) is necessary.

    The steel surfaces are normally sandblasted (SA21 ½), before applying an anticorrosive primer.

    At least two hands of paints are to be applied by airless systems, by crossing wet-on-wet.

    A typical application of 1,5 mm (dry product)=2,7 kg/ m2

    (wet product) is made by two hands with a wet

    layer of 1 mm thick.

    A right equipment is an airless piston pump, minimum compression ratio =40:1, minimum pression 150 bar

    (for example GRACO MARK V or WAGNER ProSpray PS34), self-cleaning nozzle Reverse-A-Clean, nozzle

    diameter 45-50 mils = 1 mm, flexible feed hose of 3/8“ and maximum 30 m long. In the normal spry

    applications, the medium volume flow changes between 3 and 6 l/min.

    All filters of the equipment should be removed after every operating.

    The application may be also done by brush or roller, with long single coats, without brushing. The

    brush/roller application will require more hands than the airless one.

    During the application and the drying you will have to work under appropriate environmental conditions. 

    DATA SHEET

    PRIMER AND RACCOMENDED FINISHES

    KM I-PRIMER 036: Fast drying phenolic modification alchidic primer for steel and galvanized steel.

    KM I-PRIMER 3500: Primer for concrete and masonry.

    Different commercial primers are compatible. Our technical department may provide a list.

    KM I-CHAR 21 is compatible with alchidic systems according to ETAG 018 (point 5.0.4., evaluation in order

    to types). The direct application on the galvanized steel is possible according to the compatibility rapport

    Pr-07-2.094n. A better appearance and a less grip of dirt can be obtained by a finishing.

    The intumescent paints aren’t to be used in the presence of condensation or rain, in wet environments and

    outdoor. Waterproof finishes are necessary. Any finishing isn’t generally required indoor according to

    ETAG 018, class Z1 and Z2. Our acryilic waterbased paint IDROSOL is used on semi-exposed environments

    according to ETAG 018, class Y. Our bicomponent polyurethanic solvent-based PURETHAN is used on

    outside and totally exposed according to ETAG 018, class X or ISO 12944, corrosion class C3. The

    application must be particularly careful.

    TECHNICAL SPECIFICATIONS

    Density: 1.3 ± 0,05 kg/dm3

    at 20°C

    Dry Residue: 78% ± 5%w/w - 67% ± 5%v/v

    Colour: white

    Packaging: bucket of 20 kg

    Deadline: 12 months in original packaging and appropriate

    environment

    Performance: 0,55 ± 0,05mm

    Thickness of drying layer (DFT), 1kg/m2

    wet (theoretical)

    Application: normal by airless spray. On the little surfaces and retouching by

    brush or roller

    Wet thickness of one hand: airless spray: max 1300 µm (750 µm DFT)

    Brush and roller: max 500 µm (300 µm DFT)

    Dilution: not recommended. With 5% water-solution, where necessary

    Drying *: 8 h to the touch/ 24 h - complete

    Min. Application Temperature: +5°C

    Max. Application Temperature: +45°C

    (*) @ +20°C at 60% UR. The drying time depends on thickness, temperature, and relative moisture.

    CERTIFICATIONS AND APPROVALS

    KM I-CHAR 21 is certified according to European and other Standards .

    The characteristics of fire protection for steel structures are certified according to EN 13381-4 and EN

    13501-2. Test reports and assessments according to EN 13381-3 are available for reinforced concrete and

    prestressed reinforced concrete, both for beams/columns and floors/walls. The application on

    compartimentation masonry walls is certified according to EN 13501-2 (tests according to EN 1364-1), both

    for walls made of plastered hallow brick and concrete blocks not plastered, with minimum thickness of 8

    cm.

    The application of KM I-CHAR 21 is according to fire reaction class B-s2, d0 on every wooddy substrate. The

    application with class C is guaranteed on not-fire retardant XPS.

    The technical specifications have only an information value and the maximal results are guaranteed only after preliminary tests of application.

Технічна специфікація
  • Унікальний номерkm-i-char-21
  • Сімейство продуктівBuilding Materials
  • Група продуктівIntumescent paint
  • ТипBuilding Material
  • Дата публікації2021-08-12
  • Номер видання1
Посилання
Пов'язані
  • Матеріал основнийPaint
  • Матеріал допоміжнийOther
  • Розроблено вItaly
  • Виготовлено вItaly
  • Вага нетто (кг)25
Класифікація
  • Категорія BIMobjectБудівельні матеріали - Paint, Varnishes & Finishes
  • Класифікація IFCSurface
  • Код за ETIMEG000056
  • Назва за ETIMFire protection systems
  • Назва UNSPSCFinishing materials and products
  • Код UNSPSC301519
  • Код Uniclass 2015Pr_35
  • Опис Uniclass 2015Covering and finishing products
  • Код CSI MasterFormat 201409 00 00
  • Заголовок CSI MasterFormat 2014Finishes
  • Номер OmniClass23-15 21 11
  • Заголовок OmniClassPaints and Varnishes
  • Код CSI UniFormat IIC3010
  • Заголовок CSI UniFormat IIWall Finishes

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