31.07.2015 Views

Technical Data Sheet SEAL 'N' FLEX FC - Bostik Hong Kong Limited

Technical Data Sheet SEAL 'N' FLEX FC - Bostik Hong Kong Limited

Technical Data Sheet SEAL 'N' FLEX FC - Bostik Hong Kong Limited

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

technical data sheet<strong>SEAL</strong> ‘N’ <strong>FLEX</strong> <strong>FC</strong>One-Component Fast Curing Polyurethane Trafficable SealantDESCRIPTION<strong>Bostik</strong> Seal N Flex <strong>FC</strong> is a high performance fast cureone component polyurethane sealant. When cured it willform a tough, flexible seal and bond capable of cyclic,expansion and compression movement.Joints or fabrications formed with this sealant can beexpected to extend and compress a total of 50% (± 25%)of original joint dimensions to ASTM C719. <strong>Bostik</strong> Seal NFlex <strong>FC</strong> is virtually unaffected by normal weatheringconditions such as rain, sunlight, snow, sleet, ultra-violetradiation, ozone, atmospheric contamination andpollution. Its excellent weatherability enables it to retainits original properties after years of exposure. Its physicalproperties remain relatively unchanged over a widetemperature range (-40 o C to 70 o C).USES• For sealing floor joints• Granite, sandstone and marble pointing• GRC, Fibreglass & Specialty panel systems• Trafficable – Plats, stairs, roads, runways, apronsand pavements• Vertical - Precast, Blockwork, aluminum,plasterboard, timber and most common buildingsubstrates.• Pick resistant - Prisons, cells, schools and publicamenities.• Chemical resistant - Service stations, hangers,aprons and bunded areas.• Metal curtain wall facades• Potable water tanks• Sealing gaps and adhering façade and claddingpanels to various building materials• Sealing construction and expansion joints• Perimeter sealing of door and window framing• For new construction and remedial applications• Adhesive for wide range of building and constructionapplications• For sealing of concrete joints in airport runways.FEATURES• Fast tack free time and cure rate• High bond strength• A medium/high modulus product, which forms aresilient and permanently elastic seal• Excellent adhesion to most materials includingmetals, concrete, brick, wood, plasterboard, GRC &C<strong>FC</strong>• Paintable and sandable (refer paintability section)• Non-slumping• Resistant to fungal attack to AS1157.2• Potable water approval to AS4020• Excellent resistance against hydrolysis, ageing and awide range of chemicals• One component, no mixing required• High movement accommodation (± 25%)ASTMC719TYPICAL PROPERTIESAppearanceCure MethodTack free timeNon sag smooth thixotropicpasteMoisture Curing45 minutesRate of cure in mm/24h 3.5Hardness Shore A 45 approx.Tensile strength > 2.1 N/mm 2Service chemicalresistanceResistant to dilute acids &alkalis, some solventsintermittent contact withdiesel and petroleumElongation at break >650%Application temperature 5 o C to 35 o CTemperature resistance -40 o C to +70 o CColourGrey, black and whiteFull cure7 daysPotable water approval AS4020Acoustic properties ExcellentPaintable approx. 24 hours after application<strong>SEAL</strong> ‘N’ <strong>FLEX</strong> <strong>FC</strong> PAGE 1 of 3.


APPLICATION INSTRUCTIONSPREPARATIONClean all surfaces by removing foreign matter andcontaminants such as oil, dust, grease, frost, water,surface dirt, old sealants and any protective coating.Porous substrates should be cleaned by grinding sawcutting or blast cleaning (sand or water). Dust, looseparticles, etc should be blown out of joints with oil freecompressed air or vacuum cleaned. Non-porous andplastic surfaces should be cleaned by solvent ormechanical means. Cleaning solvents should not beallowed to air dry or evaporate without being wiped with aclean, dry cloth.PRIMINGIn non-fabrication applications Seal <strong>'N'</strong> Flex <strong>FC</strong> generallydoes not require priming. For maximum performance onporous surfaces use <strong>Bostik</strong> N49 Primer and/or BondflexPrimer. N40 Primer and 5077 cleaner / primer isrecommended for non-porous surfaces. On applicationsinvolving glass, specially treated surfaces or criticalstructural fabrications consult <strong>Bostik</strong> for primerrecommendations.MIXINGNo mixing is required for <strong>Bostik</strong> Seal ‘N’ Flex <strong>FC</strong>. Simplyuse directly from sausage or cartridge.APPLICATIONSeal <strong>'N'</strong> Flex <strong>FC</strong> when used as an adhesive or sealantshould be dispensed from either the cartridge or sausagesachet by means of a hand or air operated caulking gundesigned for such application (available from <strong>Bostik</strong>).Pierce the membrane from the top of the cartridge andscrew on the supplied nozzle. Having previously cut thisto give the required angle and bead size.Place the cartridge in a suitable <strong>Bostik</strong> extrusion gun andpress the trigger. For sausages, a barrel gun is required,this is available from <strong>Bostik</strong>. Clip the end of the sausageand place complete sausage with pierced end located atthe top of the nozzle. Screw top of nozzle and housing onbarrel of gun. Using the trigger on the gun extrudeproduct from the sausage to stop product flow, using thethumb depress the catch plate mechanism located at thevery rear of the gun, directly above the trigger.Apply Seal <strong>'N'</strong> Flex <strong>FC</strong> in a continuous operation usingpositive pressure adequate to properly fill and seal acavity.Construction Adhesive ApplicationsSeal <strong>'N'</strong> Flex <strong>FC</strong> does not need to be applied to bothsurfaces to be bonded, but both surfaces must beprepared in accordance with preparatory work.Apply in beads or daubs to the prepared substrate.Materials being adhered can be bonded immediately orleft open for up to 15 minutes after application prior tobonding. If no mechanical fixing is to be used inconjunction with adhesive, clamping is necessary until fullcure is achieved.Use only enough sealant to achieve adequate bond(dependant on surface texture). Excess sealant can beremoved by dry cloth or solvent wipe before curing. Ifadhesive is to be exposed, smooth off with spatula orputty knife to flush finish.Construction Sealant/Adhesive ApplicationsSeal <strong>'N'</strong> Flex <strong>FC</strong> is especially suitable for vertical jointsealing or in flooring applications such as saw cutjointing.More joint movement can be accommodated in a thinbead of sealant than in a thick bead. The ratio of jointwidth of sealant to depth should be 2:1. The use of abond breaker prevents undesirable three-sided adhesion.Open cell polyurethane foam or closed cell polyethylenefoam rod is the recommended backup material to controlcorrect sealant geometry.Install back up material or joint filler, as specified. ApplySeal <strong>'N'</strong> Flex <strong>FC</strong> continuously using positive pressure toproperly fill and seal the joint. Tool the sealant withadequate pressure to spread the sealant against the backup material and onto the joint sides. Excess sealantshould be wiped from all surfaces while still uncured.Remove any masking tapes prior to sealant curing.CLEAN-UPClean up uncured material and equipment immediatelyafter use using <strong>Bostik</strong> 9907 solvent. Do not use solventson skins.For removal on skin, uncured sealant can be removedwith <strong>Bostik</strong> Hand-Clean towels. Cured Seal ‘N’ Flex <strong>FC</strong> isdifficult to remove via chemical means and mechanicalmeans may be necessary.PACKAGING<strong>Bostik</strong> Seal ‘N’ Flex <strong>FC</strong> is supplied in 300ml cartridgesand 600ml sausages, 20 per carton.COVERAGEThe coverage below is the approximate linear metrecoverage per pack size.SIZE6mmx6mm10mmx10mm20mmx10mm300ml (ctg) 8.3 3 1.5600ml (ssg) 16.7 6 3Calculation formulaW x D X L = Litres1000W = Width(mm) D = Depth(mm) L= Length(metres)<strong>SEAL</strong> ‘N’ <strong>FLEX</strong> <strong>FC</strong> PAGE 2 of 3.


STORAGEWhen stored between 5 o C and 30 o C in original unopenedcartridge or sausage <strong>Bostik</strong> Seal ‘N’ Flex <strong>FC</strong> has a shelflife of 12 months from date of manufacture. All materialsshould be stored under cover in a manner that willprevent damage preferably on pallets.PRECAUTION• Seal ‘N’ Flex <strong>FC</strong> is not recommended for use insealing joints or bonding fabrications subject toconstant immersion in seawater or where abrasionor physical abuse is encountered.• Seal <strong>'N'</strong> Flex <strong>FC</strong> should not be used in highlychlorinated areas such as swimming pools, spas etcwithout prior consultation with <strong>Bostik</strong> <strong>Technical</strong>Services.• Seal <strong>'N'</strong> Flex <strong>FC</strong> should not be used in glazingapplications subject to UV light radiation or directsunlight exposure without prior consultation with<strong>Bostik</strong>.• Seal <strong>'N'</strong> Flex <strong>FC</strong> should not be applied or finishedwith wet tooling techniques, using solvents, water ordetergent/ soap solutions.• Seal <strong>'N'</strong> Flex <strong>FC</strong> sealant should not be applied tounpredictable absorptive surfaces such as marble,limestone or granite unless a standard ofappearance has been agreed on as a result oftesting for stain and/or discolouration.• Seal ‘N’ Flex should not be applied onto or near anybitumen products.• Do not use in interior or exterior structural sealingbelow the waterline in marine applications.• Do not apply at temperatures below 5 o C.• Do not apply to surfaces with special protective orcosmetic coating such as mirrors, reflective glass orsurfaces coated with Teflon, polyurethane orpolypropylene. Will not adhere to polyethylene,polypropylene or PTFE.• For wider joints, <strong>Bostik</strong> recommends Seal ‘N’ FlexTrafficable (2 components polyurethane sealant).• Seal ‘N’ Flex <strong>FC</strong> White may yellow or discolour ifexposed to UV light for prolonged periods of time.PAINTABILITY<strong>Bostik</strong> Seal <strong>'N'</strong> Flex <strong>FC</strong> can be painted as early as 24hours after application using water borne coating andmost epoxy coating systems. Coatings containing highsolvent contents such as gloss enamels or high oil basedundercoats may cause the surface of the sealant to reactcreating a tacky surface to develop.A field test is recommended to ensure compatibility. Toobtain best appearance and performance the paint mustapproximate the elongation capabilities of the sealant.High build coatings with some elastomeric ability such asquality acrylic emulsions have the capability to absorb lowmovement without significant distortion of the paint film.Please contact <strong>Bostik</strong> <strong>Technical</strong> Department if unsure ofany paint system.HEALTH AND SAFETY• On contact, uncured sealant causes irritation.Gloves and protective goggles must be worn duringapplication and use.• Avoid contact with skin, eyes and avoid breathing invapour.• Wear protective gloves when mixing or using.• If poisoning occurs, contact a doctor.• If swallowed, do not induce vomiting. Give a glass ofwater.• If skin contact occurs, remove contaminatedclothing and wash skin thoroughly for a minimum of15 minutes and see a doctor.• For more detailed information refer to MaterialSafety <strong>Data</strong> <strong>Sheet</strong>.FIRESeal ‘N’ Flex <strong>FC</strong> is non-flammable.Disclaimer: The information detailed in this data sheet is liable tomodification from time to time in the light of experience and normalproduct application, and therefore customers are advised to check with<strong>Bostik</strong> Holding <strong>Hong</strong> <strong>Kong</strong> <strong>Limited</strong>, quoting the reference number thatthey possess the latest issue. The representations and recommendationsregarding the products are based on tests which we believe to be reliable.However, no guarantee of their accuracy can be made because of thegreat range of field conditions and variations encountered in raw materials,manufacturing equipment and methods. Thus, the products are sold witha limited warranty only, and on the condition that purchasers will maketheir own tests to determine the suitability of the product for their particularpurposes. Under no circumstances will <strong>Bostik</strong> Holding <strong>Hong</strong> <strong>Kong</strong> <strong>Limited</strong>be liable to anyone except for replacement of the products or refund of thepurchase price.<strong>Bostik</strong> Holding <strong>Hong</strong> <strong>Kong</strong> <strong>Limited</strong>6/F Victoria Centre15 Watson Road<strong>Hong</strong> <strong>Kong</strong>Tel: (852) 2807 9400Fax: (852) 2510 8380JAN/07/A<strong>SEAL</strong> ‘N’ <strong>FLEX</strong> <strong>FC</strong> PAGE 3 of 3.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!