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Interchar® 3120 Epoxy Intumescent System (Non-Decorative Steelwork)

Name: Interchar® 3120 Epoxy Intumescent System (Non-Decorative Steelwork)
Brand: International Coatings
SKU: 8dLTZJ3B1A8b8rwHCVbpcn

Verified by manufacturer over a year ago

Steel Substrate (C1–C2)

International Coatings

Cellulosic Passive Fire Protection (PFP) system for external non-decorative steelwork.

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Application

Suitable for non-decorative external exposed steelwork in low corrosive (C1–C2) to highly corrosive environments (C3–C5).

Coats by environmental classification:

Up to C2

1st coat: Interchar 3120.

C3 to C5

1st coat: Interguard 251HS. DFT: 75 microns.
2nd coat: Interchar 3120. DFT: To be determined by steel section and fire duration. Must be confirmed with manufacturer prior to application.

Description

Interchar® 3120 is a modified epoxy intumescent coating system with a high quality, cosmetically appealing finish suitable for cellulosic fire protection up to 120 minutes.

General information

Color	Grey
Finish	- Manufacturer guidance Semi-gloss.
Length	Bespoke
Width	Bespoke
Height	Bespoke
Warranty description	- Manufacturer guidance Refer to International Protective Coatings for further details relating to performance warranty.

Uniclass	Ss_40_90_60_85 Special coating systemsPrimary
SpeedSpec	09910 Painting
SpecPack	09910 Painting
NATSPEC National Classification System	0671 Painting

Specification data - Special coating systems

Preparation	All surfaces to be prepared in accordance with the coating manufacturer's written instructions.
Primer coats	Interchar 3120. Manufacturer guidance Dry film thickness (DFT) of Interchar 3120 is determined by steel section and fire duration. Final DFT must be confirmed by manufacturer prior to application.
Execution	Applied in accordance with the coating manufacturer's written instructions.

Surface material	Steel surfaces should be assessed and treated in accordance with ISO 8504:2000, followed by abrasive blast cleaning to achieve Sa2½ in accordance with ISO 8501-1:2007. Refer to International Protective Coatings for full surface preparation requirements prior to commencement of work.
Application temperature	>5°C.
Durability	Medium (7–15 years). High (15-25 years). Manufacturer guidance Refers to system durability per ISO 12944.1:2017.
Fire resistance	Up to 120 minutes (2 hours).
Colour	Light grey.
Finish	Semi-gloss.
Volatile organic compound (VOC)	21 g/L. Manufacturer guidance Refers to values for Interchar 3120 only, EPA Method 24.