Belzona 3411 (Encapsulating Membrane)

A 2-part hybrid polymer coating designed to be used to completely encapsulate any shape, size or configuration of flanged joint to exclude moisture and prevent crevice, galvanic and atmospheric corrosion. When used in combination with the corrosion …

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Stock Status: 500 pcs

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A 2-part hybrid polymer coating designed to be used to completely encapsulate any shape, size or configuration of flanged joint to exclude moisture and prevent crevice, galvanic and atmospheric corrosion. When used in combination with the corrosion inhibitor Belzona 8411, Belzona 3411 (Encapsulating Membrane) provides outstanding long-term corrosion protection.

This solvent-free coating can be easily cut and peeled back to allow access to fastenings and furthermore, on completion of the maintenance work, it can be simply reinstated with the application of a further layer of Belzona 3411 (Encapsulating Membrane) coating.

Belzona 3411 (Encapsulating Membrane) is a tough, flexible topcoat which can be applied by brush and does not require heat or specialist tools for its application.

Key benefits:

Excellent corrosion protection

Peelable and resealable system, allowing easy access to fastening if required

Simple and quick to apply with no associated hot work

Fast cure to allow quick application

Excellent adhesion onto manually prepared surfaces

Excellent UV and environmental weathering resistance

Heat resistant

Good fire resistance

Classed as low hazard making it safe to use

Applications for Belzona 3411 (Encapsulating Membrane) include:

Protection of flanges, fastenings and associated pipe elements

Key technical data:

Corrosion resistance (ASTM B117) No corrosion after 1000 hours** exposure to a salt-fog atmosphere at 35°C (95°F)

90° Peel adhesion (ASTM D429) Manually prepared (ISO 8501-1 St 2) carbon steel: > 6.6pli / 118 kg/m

Manually prepared solvent-free epoxy paint: > 6.4pli / 114 kg/m

Manually prepared solvent-borne polyurethane paint: >6.4pli / 114 kg/m

Elongation (ASTM D412) Unreinforced = 66%

Reinforced = 24%

Tensile strength (ASTM D412) Unreinforced = 410psi / 2.8 MPa

Reinforced = 670psi / 4.6 MPa

Tear strength (ASTM D624) Unreinforced = 21pli / 3.7N/mm

Reinforced = 100pli / 17.9N/mm

Available colours Light grey, beige

Coverage rates Belzona 3411: 0.4 sq.m. (4.4 sq.ft) at 1500 microns (60 mil) thickness

Belzona 8411: 4.8 sq.m. (51.7 sq.ft) at 125 microns (5 mil) thickness

Overcoat time Belzona 3411: 1-4 hours

Belzona 8411: 1 hour

Typical applications Flanged joint encapsulation, corrosion protection

Unit size 645g

Availability* Global

* All products are subject to regional restrictions. Check with your local Distributor for more information

**test on-going

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