Interchar® 3120
Verified by manufacturer 4 months ago
Modified epoxy intumescent coating.
Application
Commercial, industrial, public and transport buildings such as:
- Airport terminals.
- Leisure facilities.
- Convention centres.
- High-rise buildings.
- Educational facilities.
- Shopping centres.
- Industrial complexes.
- Hotels.
All steel surfaces to be coated should be clean, dry and free from contamination prior to application. Consult manufacturer for more details on surface preparation.
Description
Two-component, modified epoxy intumescent coating for cellulosic passive fire protection (PFP). Low volatile organic compound (VOC) and boron-free coating designed to provide fire protection to structural steelwork.
Features and benefits
- Suitable for use on both open and closed structural sections.
- Flash point (typical): Part A, ˃111°C. Part B: ˃111°C. Mixed: ˃ 111°C.
- Spray applied and requires no form of reinforcement.
- Can be used direct to metal or over approved primers; on single or plural spray equipment; topcoated or not topcoated; on 'I' sections, hollow sections and cellular beams.
- Utilizes durable epoxy technology to provide a material that allows steelwork to be fabricated and fire-protected away from the construction site.
- Smooth finish.
- Certified to BS 476 and BS EN 13381.
General information
Color | Grey Guidance for specification option: Light Grey (Part A - Black; Part B - White). |
Finish | Semi-gloss |
Material | Epoxy Guidance for specification option: Two-component, modified epoxy intumescent coating. |
Uniclass | |
CAWS | M61/110 On-site coating to primed steel M61/115 On-site coating to galvanized steel M61/120 On-site coating to existing steel M61/140 On-site overcoating to existing steel M61/150 Off-site coating to unprimed steel M61/160 Off-site coating to primed steel M61/170 Off-site coating to galvanized steel |
Specification data - Intumescent protective coatings
Composition | Epoxy-borne. |
Execution | Applying coating. |
Product Reference | Interchar® 3120 |
Volume solids | 100 %. Guidance for specification option: To ISO 3233. |
Coverage | 0.75 m². Guidance for specification option: 1 kg provides 1 mm of fire protection. |
Drying time | 33-hours. Guidance for specification option: At 10°C hard dry. Touch dry, 16-hours. (At 15°C: Touch dry, 16-hours. Hard dry, 22-hours. At 25°C: Touch dry, 7-hours. Hard dry, 16-hours. At 40°C: Touch dry, 3-hours. Hard dry, 4-hours.) |
VOC content | 21 g/L. Guidance for specification option: To EPA Method 24. |
Primer | Intercure 200HS. Intergard 251. Intergard 2511. Intergard 251HS. Intergard 2509. |
Top coat | Interfine 1080. Interfine 878. Interfine 979. Interthane 990. Interthane 990SG. |
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