Davya 60 Properties - Geopolymer Institute
Contents
1. High Performance Portkamel BD ek A Ben a His a DAVYA coment Compressive Strength MPa E 0 200 400 600 800 1000 1200 Temperature deg Figure 4 Comparison of strength of DA VYA cement based concrete with high performance Portland cement based concrete Pyrament and ordinary Portland cement based concrete type I and III under high temperature The DAVYA cement based concrete was kept at a temperature of 1000 C for three hours and still had a compressive strength of approximately 30 MPa On the opposite Portland cement based concretes explodes and deteriorates at 300 C 5 High flexural strength The ratio of compressive strength to flexural strength of normal Portland cement is about 10 The ratio for DAVYA is about 5 Some DAVYA geopolymeric cement can even reach 3 5 Therefore for the same compressive strength the flexural strength of DAVYA is two to three times higher than it s for Portland cement i00 Eo ree a i i i i E i i i u A i BO m ch i a DU un Le E LEFI Li i Wil ia i i i Ben eee A LL NEREER D i E 4 21 28 90 160 Setting lime days Figure 5 The comparison of compressive strength and flexural strength for DA VYA 6 No alkali aggregate reaction DAVYA cements even with alkal contents as high as 9 2 or higher do not generate any dangerous alkali aggregate reaction But in Portland cement even alkal2. e Since there is no alkali aggregate reaction and very low shrinkage rate it cannot crack It is beautiful and versatile e Makes very beautiful reagglomerated stone e Perfect for interior decoration attractive tiles e Suited to pressured pipes and pipe tunnels e Suited to emergency repair cement especially for aircraft runways and highways e Good for marine uses because no salt cannot affect it and it goes hard underwater within 2 hours e Suited for extremely cold temperature it sets at 20 C It is economic e You do not need to re equip your factory e You save two thirds of your fuel e You can make cement outside limestone regions Information More informat on s available in our Web s te www geopolymer org where you can download additional papers and order the G opolymere 99 Proceedings including numerous scientific articles with tests and data on selected materials Properties DAVYA Cement does not use limestone as a material Instead it uses special kaolinite based clays The calcining temperature for this cement is approximately 750 C This means that two thirds of fuel normally used for Portland cement production can be saved This cement has many special properties that can resolve many long standing problems which have plagued Portland cement based concrete Therefore it has attracted increasing attention The following diagrams illustrate some of the main properties of DAVY A geopolymeric cem
3. 112 EEC 2001 59 EC and has 3 pages The information contained herein is based on the present state of our knowledge It characterizes the product with regard to the appropriate safety precautions It does not represent a guarantee of the properties of the product We believe that such information is accurate and reliable as of the date of this safety data sheet but no representation guarantee or warranty express or implied 1s made We urge persons receiving this information to make their own determination about the product as to the information s suitability and completeness for their particular application We further urge purchasers to determine compatibility of this product for their application prior to use by making their own tests also with regard to possible applicational influences The abidance of conditions or methods of handling storage use and disposal of the product by the client are beyond our control and may be beyond our knowledge For this and other reasons we do not assume responsibility and expressly disclaim liability for loss damage or expense arising out of or in any way with the handling storage use or disposal of the product May 2007
4. des tests cet chantillon L chantillon de DAVYA Waste ne change pas de couleur car la charge de couleur noire color e la DAVYA L utilisation d une charge est obligatoire sinon le liant DAVYA se fissurera Contrairement au ciment Portland qui utilis sans charge a du retrait la DAVYA n a pas de retrait mais se fissure Vous observerez cette caract ristique au sommet de votre chantillon l endroit o la charge a d cant Nous retirons toujours m caniquement cette couche fragile avant de faire nos tests Le Client accepte que Institut G opolym re ne d livre aucune garantie expr s ou implicite incluant de mani re non limitative les garanties l gales et commerciales et autres certifications concernant la chimie des g opolym res et son utilisation sa fabrication et sa commercialisation seule ou associ e aux produits du Client En aucun cas m me en cas de force majeure ou cas fortuit Institut G opolym re ne sera responsable des dommages directs indirects sp ciaux ou cons cutifs survenant de l utilisation fabrication distribution ou vente des produits du Client ou faites par une tierce partie Directions for use DAVYA 60 This DAVYA user s manual describes the manufacture of a high strength cement and a material that encapsulates toxic wastes DAVYA Waste We show here the easiest method to do it It is obvious that the use of laboratory equipments makes the operation easier The lab technic
5. geopolymer chemistry or its use and operation alone or in combination with the Client products In no event will Institut G opolym re be liable for special incidental or consequential damages arising from the use sale or distribution of the Client products or any third party 9 WASTE Safety Data Sheet DAVYA 60 The present safety datasheet combines data for DAVYA 60 powder and DAVYA 60 Hardener 1 Identification of the substance preparation and of the company 1 1 Identification of the substance or preparation Ingredient and trade material name DAVYA 60 powder and DAVYA 60 Hardener Potassium silicate and amorphous silicate aluminium oxide and calcium metasilicate solution in water 1 2 Utilisation of the substance Special hard cement used n civil engineering 1 3 Company undertaking identification Institut G opolym re Espace Creatis Av Archim de Z A Bois de la Chocque F 02100 Saint Quentin France 1 4 Emergency telephone number 33 0 3 23 67 89 22 2 Composition information on ingredients Preparation Chemical names CAS 1312 76 1 potassium silicate 1344 28 1 aluminium oxide 7631 86 9 amorphous silica 13983 17 0 calcium metasilicate and 7732 18 5 water Concentration or range of concentration that may be hazardous Hardener Potassium silicate gt 25 Powder N A EC Classification Hardener Xi Irritant R36 38 S24 25 S36 37 39 Powder N A S22 S25 S36 37 39 3 Hazards informa
6. C Hardener N D Boiling point temperature Powder gt 1700 deg C Hardener 104 deg C Water solubility Powder insoluble Hardener yes Low explosive range Powder N D Hardener N D High explosive range Powder N D Hardener N D Flash Point Powder N D Hardener N D 10 Stability and reactivity Stability Material 1s stable at room temperature Hazardous polymerisation will not occur Conditions to avoid Powder N D Hardener Avoid excessive heat Materials to avoid iron hydroxide halogen oxides ethylene oxide fluorine hydrogen halides nitrates vinyl acetate Powder and Hardener mixed will react with aluminium zinc tin and their alloys evolving hydrogen Hazardous decomposition products N D 11 Toxicological information N D On the basis of the morphology of the product no hazardous properties are to be expected when it is handled and used with appropriate care The product should be handled with the usual care when dealing with chemicals 12 Ecological information Biologic degradation Upon dilution rap dly depolymerise into molecular species indistinguishable from natural dissolved silica Ecotoxic effects N D Toxicity The alkalinity of this material will have a local effect on ecosystems sensitive to changes in pH Further ecologic data when it is handled and used with appropriate care no harmful ecological effects are to be expected 13 Disposal considerations Produc
7. Espace Cr atis Av Archimede Z A Bois de la Chocque a F 02100 Saint Quentin France tel 33 0 323 67 8922 val 5 GE O POLYMERE fax 33 0 323 67 8949 web www geopolymer org TECHNICAL DATA DAVYATM 60 CEMENT Description The DAVYATM cement s described as an inorganic polymer cement a polysialate derived from natural geological materials silica and alumina hence the name geopolymer Geopolymerization is a geosynthesis a reaction that chemically integrates minerals that involves naturally occurring silico aluminates The silicon S1 and aluminium Al atoms react to form molecules that are chemically and structurally comparable to those binding natural rock For DAVYA 60 the initial set is as short as 60 minutes starting from the mixing of the resin followed by a setting time of 25 minutes totalising 85 minutes from the initial mixing until the complete hardening of the resin The resulting DAVYA geopolymeric cements have the following assets A new kind of cement We have the technology to make superior cement that uses no limestone at all but instead uses natural silico aluminate This cement is clean and green It emits up to 90 less CO2 than classical Portland cement It is a strong an resistant cement that e Contains no hydration water and cannot explode in a fire e Has two to three times the flexural tensile strength of Portland cement e The world s safest toxic and nuclear waste containment material
8. clinker 1 0 t tonne Mode d emploi DAVYA 60 Ce mode d emploi s applique la fois ala DAVYA pour une utilisation classique et comme mat riau d inertage de d chets toxiques DAVYA Waste Nous vous montrons ici la m thode la plus simple d utilisation la main Il va de soi que l utilisation de machines de laboratoire facilite la mise en uvre Le manipulateur devra utiliser une blouse et des gants et respecter les conditions d hygi ne et de s curit qui s applique son laboratoire Le manipulateur sera assist d une personne charg e de nettoyer imm diatement les ustensiles l eau avant le d but de la prise Vous pouvez conserver ce kit DAV YA pendant 6 mois La DAVYA 60 a un d but de prise de 60 minutes partir de la formation du liant voir image 3 ensuite la dur e de prise est de 25 minutes soit 85 minutes partir de la formation du liant temp rature ambiante 20 C La vitesse de prise d pend de la temp rature de la pi ce Le d but de prise des liants DAVYA 60 est mesur temp rature ambiante c est dire 20 C Si votre laboratoire a une temp rature ambiante plus lev e par exemple durant l t ou si vous n utilisez aucun syst me d air conditionn le temps de prise sera plus court 25 C le d but de prise de la DAVYA 60 devrait tre de 47 minutes Pour ralentir ce temps de prise nous sugg rons que vous r alisiez votre exp rimentation t t le matin ou vous devr
9. contents as low as 1 2 are dangerous Expansion mm m TEE Figure 6 Alkali aggregate reaction ASTM C227 mesures the linear expansion DAVYA cement and ordinary Portland cement 7 Clean and green Another reason for DAVYA attracting attention today is that during its production the carbon dioxide emissions for the same weight of cement as Portland is only 15 20 of that of Portland cement The production of one ton of Portland cement emits one ton of carbon dioxide into the atmosphere Huge quantities of cement production seriously threaten the world s environment Based on the continuity of development especially in the developing countries the use of DAVYA cement to reduce the burden on the atmosphere is highly necessary Society benefits from cement production but the cement industry has a responsibility to leave a sustainable atmosphere for future generation 8 Technical Data Sheet for DAVYATM geopolymeric cement type Potassium Calcium Poly sialate siloxo K Ca S1 O Al O S1 O Si AI 2 1 These indicative data are only disclosed for a standard DAVYA binder and may vary for more or less 25 depending on the quality of the binder its fillers the manufacturing conditions of your sample Tested on standard sand mortar prisms e setting 20 hours at 20 C to 60 minutes at 20 C e shrinkage during setting lt 0 05 not measurable e compressive strength uniaxial gt 75 MPa at 28 days e flexural st
10. dant on local regulations with regard to pH controls Methods for cleaning up neutralising absorbing retrieving throwing away and what to avoid Powder Carefully take up dry Forward for disposal Clean up affected area Avoid generation of dusts Hardener Neutralise excess with acid solution or dilute with plenty of water If Powder and Hardener are mixed Use absorbent material or scrape up dried material and place into containers 7 Handling and storage 7 1 Handling Material s stable at room temperature Hazardous polymerisation will not occur 7 2 Storage Chemical incompatibilities ron hydroxide strong oxidisers and acids Conditions to avoid Excessive heat Hazardous decomposition Product None Materials to avoid will react with aluminium zinc tin and their alloys evolving hydrogen 8 Exposure controls personal protection Maximum exposition value V M E N A Personal protective equipment Respiratory protection Powder required when dusts are generated Ventilation normal room ventilation Skin protection Protective gloves latex or vinyl required Eye protection Safety glasses recommended Body protection Blouse required 9 Physical and chemical properties Appearance Powder very fine grey powder Hardener liquid tinted in yellow or blue Odour non pH Powder pH 7 neutral Hardener pH 14 strongly alkaline Melting point temperature Powder gt 1700 deg
11. ent 1 High early strength m EEE EEE BE BE EC SE ee ee L EELEEELEE EEEELEEETE Compressive Sirengh MPa 1 8 HH A 29 2 180 Seting lime days Figure 1 Comparison of early strength between DAVYA cement and Portland cement setting at room temperature 2 Low shrinkage rate 0 O Denya CENTRE 0 01 0 07 0 06 a POM Caner B ie 0 04 mi Shrinkage rate a 0 05 Figure 2 Comparison of shrinkage rate 3 Resistance to corrosion Since no limestone is used as a raw material DAVYA cement has excellent properties within both acid and salt environments It is especially suitable for tough environmental conditions Sea water can be used for the blending of the cement rather than fresh water This can be useful in marine environments and on islands short of fresh water It 1s impossible to Days Figure 3 Comparison of resistance to corrosion between DAVYA cement and Portland cement After 28 days standard setting samples were put into 5 sulfuric acid solution and the weight loss was measured 4 Very high fire resistance properties Since there is no hydratation water in DAVYA geopolymeric cement it will not explode under high temperature It can thus be used for tunnels and high rise structures as a fire prevention measure For existing tunnels and high rise structures a 30 mm cladding of DAVYA cement will render them fire resistant 120 hae TT Lg Portland IH 100 a ee
12. ian should use overall and gloves and respect the the safety and security rules that apply to his laboratory He may be assisted by a second technician in charge of cleaning the tools immediately in water before the hardening of the binder You can store this DAVYA kit for 6 months For DAVYA 60 the initial set is as short as 60 minutes starting from the mixing of the binder as displayed in picture 3 followed by a setting time of 25 minutes totalising 85 minutes from the initial mixing until the complete hardening of the binder at room temperature 20 C The setting time depends on the room temperature The initial set for DAVYA 60 is measured at room temperature namely 20 C If your laboratory has a higher room temperature for example in summer time or you do not use any air conditioning system the setting time will be shorter At 25 C the initial set for DAVYA 60 may be 47 minutes To slow down this setting time we suggest that you carry out your experimentation early in the morning or you should store the powder the hardener and the fillers for 1 hour in a refrigerator Directions for use of DAVYA for simple applications 1 Prepare 4 parts by weight of powder part A 3 parts by weight of hardener part B and between 50 and 200 of fillers depending on its granulometry 2 Pour the hardener into the powder 3 Mix the whole with a mixer or by hand until obtaining a fluid resin 4 Pour the resin into the fil
13. iez stocker la poudre le durcisseur et la charge pendant 1 heure au r frig rateur Voici le mode d emploi pour une utilisation simple de la DAVYA 1 Pr parez 4 parts en poids de poudre partie A 3 parts en poids de durcisseur partie B et entre 50 et 200 de charge selon la granulom trie 2 Versez le durcisseur dans la poudre 3 M langez la machine ou la main jusqu obtenir une r sine fluide 4 Versez la r sine dans la charge 5 M langez le tout Ici nous utilisons une machine vibrante pour faciliter le m lange la main 6 Coulez le m lange dans un moule herm tiquement ferm Laissez durcir 24 heures Pour acc l rer la prise si n cessaire laissez d abord durcir 2 heures temp rature ambiante afin que la r action chimique se r alise compl tement ensuite placez le moule dans un four 60 C pendant 2 heures 7 L outillage se nettoie tr s facilement l eau lorsque le m lange n est pas encore durci 8 Une fois durci placez l chantillon dans un sac plastique herm tiquement ferm ou plongez le dans l eau et gardez le ainsi au moins pendant 28 jours temp rature ambiante pour une prise optimale Notez la couleur noire verte de l chantillon pendant le premier jour c est le signe d une bonne g opolym risation 9 Apres 28 jours sortez l chantillon du sac et remarquez que la couleur est redevenue normale Maintenant vous pouvez faire subir
14. lers 5 Mix the whole Here we use a vibrating machine for a better hand mix 6 Cast the mixture in a hermetically closed mould Let it harden 24 hours long To accelerate the setting if necessary let first set during 2 hours at ambiant temperature this allows the chemical reaction to react completely then place the mould in an oven at 60 C for 2 hours 7 You can very easily clean the equipment with water as long as the mixture has not yet hardened 8 Once it is set place the sample in a plastic bag hermetically closed or dip it in water and store it so for at least 28 days at room temperature for full curing Notice the black green colour of the sample during the first day it is a sign of good geopolymerisation 9 After 28 days take out the sample and notice that the colour has returned to normal Now you can carry out preliminary testing on this sample The use of fillers is mandatory otherwise the DAVYA binder will crack Unlike Portland cement which when used without fillers shrinks DAVYA binder does not shrink but cracks You will observe this characteristic on the top of your samples where some fillers have decanted We always leave mechanically this fragile layer before carrying out our tests The Client agrees that Institut G opolym re makes no warranties express or implied including without limitation the implied warranties of merchantability and fitness for a particular purpose regarding the
15. rength 11 14 MPa at 28 days e Young Modulus gt 2 GPa e freeze thaw mass loss lt 0 1 ASTM 4842 strength loss lt 3 after 180 cycles e wet dry mass loss lt 0 1 ASTM 4843 e pH crushed and powdered 11 11 5 after 5 minutes in deionized water compared to Portland cement 12 to 12 5 and granit 11 e leaching in water after 180 days K 0 lt 0 015 e water absorption lt 3 not related to permeability e hydraulic permeability 10710 mis e Sulfuric acid 10 mass loss 0 1 per day e chlorhydric acid 5 mass loss 1 per day e KOH 50 mass loss 0 02 per day e ammoniac solution no mass loss e sulfate solution shrinkage 0 02 at 28 days e alkali aggregate reaction no expansion after 250 days 0 01 compared to Portland Cement with 1 Na20 1 5 e linear expansion lt 5 10 O K e heat conductivity 0 2 to 0 4 W Km e specific heat 0 7 to 1 0 kJ kg e electrical conductivity strongly dependent on humidity e thermal stability mass loss lt 5 up to 1000 C strength loss lt 20 at 600 C lt 60 at 1000 C Other values e D T A endothermic at 250 C zeolitic water e MAS NMR spectroscopy 2981 S1Q4 major resonance at 94 5 3ppm 27Al AlQ 4Si1 major narrow resonance at 55 3ppm e Energy consumption SEC for cement 1230 1310 MJ tonne compared to Portland clinker 3500 MJ tonne e CO2 emission during manufacture 0 180 t tonne of cement compared to Portland
16. t Powder is not classified as hazardous waste under EEC Directive 91 689 EEC European Waste Classification code 01 04 09 Hardener s classified as hazardous waste under EEC Directive 91 689 EEC Property H4 European Waste Classification code 06 02 05 Dispose of according to state or local standards Dilute it in water or neutralize it with an acid Powder and Hardener MIXED and DRIED is not classified as hazardous waste under EEC Directive 91 689 EEC European Waste Classification code 01 04 08 When Powder and Hardener are DILUTED in water to form a mud s not classified as hazardous waste under EEC Directive 91 689 EEC European Waste Classification code 01 04 12 Packaging is recyclable after cleaning it with water 14 Transport information Not subject to transport regulations Special transport care Avoid temperature above 80 deg C 15 Regulatory information EC Label Symbol Xi Hardener Risks sentences R Powder N A Hardener R36 38 Irritating to eyes and skin Security sentences S Powder S22 Do not breathe dust S25 Avoid contact with eyes S36 37 39 Wear suitable protective clothing gloves and eye face protection Hardener S24 25 Avoid contact with skin and eyes S36 37 39 Wear suitable protective clothing gloves and eye face protection 16 Other information N A Not Applicable N D Not Determined This EC Safety Datasheet is written according to the directive 91 155 EEC 93
17. tion Security Critical hazards to human Powder N A Hardener Alkaline solution Risk of serious damage to eyes Irritant to skin Critical hazards to environment Powder N D Hardener The alkalinity of this material will have a local effect on ecosystems sensitive to changes in pH 4 First aid measures Eye contact Flush with large amounts of water for 15 minutes Contact a physician Skin contact Wash with soap and water Ingestion Do not induce vomiting Wash out mouth with water Contact a physician or regional Poison Control Centre immediately Inhalation Long term overexposure to inhalation of mist or dust of dried down particles may cause tissue response in the lung Pneumoconiosis 5 Fire fighting measures Suitable extinguishing media In adaptation to materials stored in the immediate neighbourhood Extinguishing media which must not be used for safety reasons none Special exposure hazards arising in fire fighting Powder and Hardener are not flammable Special protective equipment for fire fighters Does not produce any known toxic fumes water based mineral materials 6 Accidental release measures Personal protection Powder Avoid generation of dusts do not inhale dusts Hardener Avoid contact to skin Necessity or not to alert neighbourhood Dependant on local regulations with regard to pH controls Environmental protection Discharge of this product to sewage treatment works s depen
Download Pdf Manuals
Related Search