Tecnofire® Effective Fire Protection Solutions Dan Frechette Technical Fibre Products Company Profile • Part of James Cropper plc – Advanced materials group – Established 1845 • Leading manufacturer of high performance nonwovens • Supply into aerospace, automotive and industrial markets • Head Office in Burneside, UK • 505 employees worldwide • 3 manufacturing & converting sites • Listed on the London Stock Exchange TFP Product Range Optiveil® • • • • 2 g/m² - 34 g/m² Designed for composites Resin and process compatibility Broad range of fiber types Optimat® • • • • 35 g/m² - 400 g/m² Designed for composites Resin & process compatibility Broad range of fiber types Converted Product • • • • Tecnofire® • • • Intumescent fire protection Expands uni-directionally up to 35 times thickness Insulates underlying structure from heat energy High Temperature Insulation • • Effective insulation from 500-1600°C Broad range of fibers – glass, mineral, AES, alumina Cryogenic Insulation Custom cut shapes • Powder scatter Hybrid products • SAB & foil backed materials Spacer tissues for cryogenic superinsulation Used in liquid oxygen & nitrogen vessels Tecnofire® - Passive Fire Protection • Tecnofire® is a range of high quality intumescent passive fire protection materials • Tecnofire® mats are activated by heat (190°C +) – Expand uni-directionally up to 35 times thickness • An exceptionally stable insulative char is produced – Protects underlying structure from fire & heat • Key application areas: – Composites – Gap filling 100°C 250°C 400°C Tecnofire® in Composites Resin-infusible grades for surface protection in composite structures Tecnofire® in Composite Buses • Extra fire protection required in doors & wheel wells for example • NABI buses built in Hungary: – Vinyl ester resins via a SCRIMP process – Composite panels meet ASTM E119 30 min burn through criteria • An alternative to brominated gel coats – Meeting fire codes without using halogens 30’ Bus Molded Section Tecnofire® in Composite Bridges Whitestone Bridge The Bronx, New York City • Steel wind fairings replaced by FRP to reduce the load on the bridge by 6000 tonnes – designed by Gurit and manufactured in the USA • The new fairings covered 20,000m² and were the biggest use of composites in infrastructure at the time (2003) • Each fairing faced with Tecnofire® Tecnofire® In Composites • Specially developed resin infusible grades available – E.g. ATH for smoke and flame spread suppression • Suitable for processing using a selection of standard composite fabrication techniques – Pultrusion, hand lay-up, vacuum bagging, prepregging, mandrel wrapping… • Protective layer can be placed close to the fire risk to maximize performance with minimal added weight • Reduce the need for additives & FR resins in the bulk of the composite Gap Filling Applications - Construction • Original applications in construction e.g. – – – – – – – – Pipe wraps and collars Door edge seals Glazing seals Joint seals for building panel systems Grilles and vents Ironmongery protection Linear gap seals Etc. • Tecnofire® can be supplied in rolls, sheets, narrow coils or cut to shapes Gap Filling Applications – Fire Doors Fire Doors • Tecnofire® 2000 and 2006 – Infused with epoxy resin to create a compressed stable laminate – “Stick-on” fire protection for multiple materials • Mostly used in fire doors where it is suitable for automated construction techniques – “Edge banding” a composite return to traditional “gap filling applications” • Intertek certified as part of a fire door assembly – UL10C & NFPA 252 Fire Tests Involving Tecnofire® Fire Tests Involving Tecnofire® Typically controlled by a time/temperature curve and quantify pass/fail requirements Fire Tests Involving Tecnofire® • ASTM E162 • ASTM E662 • ASTM E1966 - Surface Burn/Flame Spread - Smoke Generation - Integrity Burn Movement and Load- bearing Ability Post Burn • ASTM E136 • ASTM E84* • ASTM E119 - Combustion characteristics - Surface Burn Flame Spread & Smoke - Furnace Burn Heat Transfer/Burn Through * We can supply official test results Fire Tests Involving Tecnofire® • UL 10C* - Positive Pressure Fire Door Assemblies w/Hose Stream • UL 1709 - Furnace Burn Structural Steel; Rapid Rise • NFPA 285 - Flame Spread Wall Assemblies (Exterior) • NFPA 286 - Flame Spread Wall Assemblies (Interior) aka. Corner Room Test • FAA (FAR) - Interior composite panels (galley) * we can supply official test results Tecnofire® - Full Scale Testing E-84 Flame Spread (FSI) and Smoke Developed Index (SDI) Test • Test to measure flame propagation (spread) and how much smoke develops during burn phase. • Tecnofire passed resoundingly, top 1%! Tecnofire® - E84 Fire Test • 3 grades of Tecnofire® have been E84 tested • ASTM E84-11a test is a standard test for evaluating the surface flame spread and smoke development characteristics of building materials • The Flame Spread Index (FSI) and Smoke Developed Index (SDI) are measured as part of the testing and form key criteria in the classification of materials • The 2009 International Building Code® sets out the criteria for Classes A, B and C: Tecnofire® - E84 Fire Test • The results from the testing were: MATERIAL FLAME SPREAD INDEX (FSI) SMOKE DEVELOPED INDEX (SDI) CLASSIFICATION T6594-03 0 5 A T6606-00 0 15 A 67152F 0 30 A The 3 Tecnofire® grades tested achieved a CLASS A rating for use in walls and ceilings & plenums Tecnofire®- Indicative Testing Cone Calorimeter Testing – Heat Release Rate ASTM E1354: Analyzes the behavior of products and materials when exposed to heat and an ignition source. Based on Heat Release Rate science Tecnofire® - Indicative Testing Firewall Tested at University of Alabama • Cold Side temperature analysis, similar to ASTM E-119. • Measuring Heat Transfer through a wall Tecnofire® - Testing ASTM E-136 Combustibility Testing Tecnofire® - Indicative A-60 Testing Fire ‘Below Deck’ Simulation Ex. IMO (International Maritime Organization) A-60 Test for Bulkheads and Decking Tecnofire® - Indicative E-119 Test ‘Hand’s On’ Involvement! Tecnofire® - Full Scale E-119 Test (20 Min) Architectural Testing Inc. – York, PA UL1709 (Rapid Rise) 2000F Tecnofire® with carbon scrim UL1709 Results: 58 minutes & excellent char formation Edge Effects • Edges are usually a weak area of the panel and the first to go in a fire test • Tecnofire® achieved 90 minutes with hose stream – UL10C positive pressure New Developments – Conductive Tecnofire® • Tecnofire® with added conductive fibers such as carbon or metal coated carbon • Provides an EMI shield or static safe surface in addition to the fire protection • Described in GB1116696.4 – granted 2013 • If connected to an electrical power source it can be remotely activated without a flame New Developments – Thermoplastics • Tecnofire® with higher initiation temperature – 425-450°F (220 – 230°C) • Suitable for thermoplastic composites – PP and PE, for example Twintex • Main applications – temporary buildings, emergency shelters • Tecnofire® has good adhesion to polyolefins New Developments – Aerospace • Lighter / thinner Tecnofire® – Mostly on a carbon fiber base • Improves FST in aerospace composites • Ceramic Fiber/Tecnofire Laminate Pending Publication: • INVESTIGATIONS INTO LIGHTWEIGHT SOLUTIONS FOR IMPROVEMENT OF FST PROPERTIES OF EPOXY COMPOSITES – Author: Patricia Parlevliet - EADS innovation works - Munich – Conference: ECCM16, Seville, Spain, 22-26 June 2014 New Developments – Lamination Laminator allows bonding of dissimilar materials Examples: • • • • • Tecnofire® with self adhesive backing (SAB) Tecnofire® with insulating (non expanding) materials Tecnofire® with reinforcing fabrics – multiaxials, wovens Tecnofire® with foils or films Powder scattered adhesive bonds layers and maintains permeability for subsequent infusion In Summary • Tecnofire® is a range of highly effective passive fire protection materials • The range includes products suitable for use in composites – Provides fire protection without the detriment to structural integrity or toxicity issues associated with competing solutions • Tecnofire® has passed a broad range of fire tests • New Tecnofire® materials can be developed to meet specific performance or processing requirements Functional nonwovens designed to deliver optimum performance and processing benefit. Performance. Quality. Choice.