Concrete Release Agents Guide | CHRYSO®Dem Range
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(Click on a product for more information) CONSTRUCTION SITES used to assist in the clean, Concrete bonds to mould/formwork. Release agents are primarily easy release of a mould/formwork from concrete without damaging the concrete or the Timber Formwork Timber & Man-made All types of formwork mould/formwork. CHRYSO®Dem WB CHRYSO®Dem WP CHRYSO®Dem Oleo FW CHRYSO®Dem Bio 10 For easy reference, we have divided the type of mould/formwork into 3 categories: DECORATIVE CONCRETE CATEGORY 1 Metal CATEGORY 2 RL CHRYSO®Dem Oleo (steel/aluminium) (timber, plywood, resin ply, shutter board) Wood PRECAST CATEGORY 3 Plastic + other (plastic, polystyrene, rubber, latex, fibreglass) Dry Steam cured Wet Steam cured Not Steam cured In order to achieve the satisfactory concrete release from a mould/form, it is imperative to choose the correct release agent. This comprehensive guide is CHRYSO® CHRYSO® CHRYSO® CHRYSO® CHRYSO® CHRYSO® designed to help you select the right product. CLICK HERE TO GO TO VIEW THE Dem Oleo HD Dem Oleo LD Dem Elio SP Dem Oleo LD Dem Oleo SM Dem Oleo LSM CHRSYO®DEM RANGE. (Click on a product for more information) MOULD/FORM PROTECTION CONSTRUCTION SITES Easy, clean release of the mould/formwork from concrete; without damaging the mould/formwork or the concreteProtects and extends theTimber life of the formwork/mould. Timber & Man-made Formwork All types of formwork Reduces the likelihood of imperfections and surface damage (particularly blow holes) creating more CHRYSO®Dem WB to the concrete, CHRYSO®Dem WP durable and CHRYSO®Dem Oleo FW attractive concrete surfaces. CHRYSO®Dem Bio 10 AESTHETIC CONCRETE Does not stain or affect the colour of the concrete. DECORATIVE CONCRETE Does not affect the adhesion of subsequent finishes and coatings. Plaster, paint and other coatings may be applied subsequently. PRODUCT QUALITY CHRYSO®Dem Oleo RL Water repellent and not affected by rain. Does not affect the hydration of concrete. PRECAST With their high flash point (except CHRYSO®Elio SP), CHRYSO®Release Agents are safe to use, and avoid hazardous materials regulations in Dry transport and disposal. Steam cured Have a low odour, and are inoffensive to use. Wet Steam cured Ready to use product – far more convenient and reduces the CHRYSO® CHRYSO® CHRYSO® CHRYSO® likelihood of errors that can occur if mixing is required. Dem Oleo HD Dem Oleo LD Dem Elio SP Dem Oleo LD Storage – our products (except CHRYSO®Dem Bio 10) have a two year storage life! CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM (Click on a product for more information) CONSTRUCTION SITES Timber Formwork Timber & Man-made All types of formwork While generally regarded as a minor item, the selection of an appropriate release agent may be critical to the success of a project – affecting quality and the of the surface finish. CHRYSO®Dem WB CHRYSO®Dem WP both the CHRYSO®Dem Oleocolour FW CHRYSO®Dem Bio 10 DECORATIVE CONCRETE • The cost of the release agent is small in proportion to the formwork or mould itself and its omission is a false economy. CHRYSO®Dem Oleo RL • More expensive products provide greater coverage and greater ease of use. PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM (Click on a product for more information) CONSTRUCTION SITES Test panels that are built before construction are the best method for assessing the suitability of a release agent for a given application. Timber Formwork Timber & Man-made CHRYSO®Dem WB CHRYSO®Dem WP All types of formwork CHRYSO®Dem Oleo FW CATEGORY 1 Metal CATEGORY 2 Wood DECORATIVE CONCRETE (steel/aluminium) (timber, plywood, resin ply, shutter board) CHRYSO®Dem Oleo RL CHRYSO®Dem Range contain temporary rust preventative qualities Dry Steam cured CLICK HERE TO VIEW THE CHRYSO® CHRYSO® DEM RANGE AND Dem OleoFORMWORK HD Dem Oleo LD CATEGORIES CHRYSO®Dem Bio 10 CATEGORY 3 Plastic + others (plastic, polystyrene, rubber, latex, fibreglass) A release agent is absorbed according to the density of the material, giving a grain • Any release agent containing a patterned finish. To avoid this, treat the solvent may cause the above form with wax, barrier paint, varnish or more material to become brittle or than one coat of release agent. Once these disintegrate. Wet treatments have worn off, they cannot be renewed as there will be an uneven surface • Use CHRYSO®Dem Bio 10, Steam Not Steam cured that will result in the blotchy appearance of cured CHRYSO®Dem Oleo FW, concrete. CHRYSO®Dem Oleo HD, CHRYSO® CHRYSO® CHRYSO® CHRYSO® CHRYSO®Dem Oleo RL, ® Dem WB prevents the veneer • Dem CHRYSO Elio SP Dem Oleo LD Dem Oleo SM Dem CHRYSO®Dem WP Oleo LSM on the shutter boards from delaminating. PRECAST (Click on a product for more information) CONSTRUCTION SITES Timber Formwork Timber & Man-made CHRYSO®Dem WB CHRYSO®Dem WP All types of formwork CHRYSO®Dem Oleo FW CHRYSO®Dem Bio 10 The effectiveness of a CHRYSO®Dem Range depends on the cleanliness and dryness of the form/mould before application. Concrete buildDECORATIVE CONCRETE up/dirt on the form/mould will create an uneven surface finish. This is especially true when dealing with CHRYSO®Dem Oleowhite RL cement or coloured concrete. PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM (Click on a product for more information) CONSTRUCTION SITES CHRYSO®Dem Range should be applied before concreting starts and reinforcement is fixed and as near as possible to the first concrete pour and prior to subsequent pours. Timber Formwork Timber & Man-made All types of formwork It is recommended to apply release agents with a high pressure sprayer. With their ®Dem Range will not clog the fine jets of the sprayer. lowCHRYSO®Dem viscosity, the CHRYSO WB CHRYSO®Dem WP CHRYSO®Dem Oleo FW ® (CHRYSO Dem WP cannot be applied with a high pressure sprayer, use a rag or brush) <insert high pressure sprayer> CHRYSO®Dem Bio 10 The correct spray unit and spray nozzle must be used to suit the viscosity of the CHRYSO®Dem Range. DECORATIVE CONCRETE Spraying should be shielded as misting in the air may be detrimental to the person spraying and the environment. Use Oleo RLof the spray jet and over spray) hoods over spray nozzle to prevent misting. (thisCHRYSO®Dem will prevent clogging CHRYSO®Dem Range should be applied in a uniform, continuous film, as thinly as possible. The surface of the mould/form should appear slightly greasy (have a shine). PRECAST Too much is a bad as too little Dry Wet • Too little – surface damage to concrete and formwork/moulds (surfaceSteam plucking/mould stick: whereNot patches of cured the Steam cured cured Steam concrete surface stick to the form/mould and are then pulled off the face during formwork/ mould removal. CHRYSO® CHRYSO® CHRYSO® CHRYSO® • CHRYSO® Too much – blow holes, staining, colourCHRYSO® variation, efflorescence, dusting, even retardation of the concrete. Excess DemoilOleo Oleo LD DemExcessive Elio SP application Demresults Oleo LD Dem OleoisSM Dem Oleo LSM can HD also causeDem ground contamination. in ‘pooling’. If there an over application, wipe it off with a clean rag. (Click on a product for more information) CONSTRUCTION SITES Timber Formwork Timber & Man-made All types of formwork CHRYSO®Dem WB CHRYSO®Dem WP CHRYSO®Dem Oleo FW • Colour variations can be caused by differential wetting and drying of the surfaces. Be aware of mould/form surfaces with variable absorbency. CHRYSO®Dem Bio 10 DECORATIVE CONCRETE • For colour control, a release agent should never be changed during the course of the work White concrete is particularly susceptible to discolouration by release agents. CHRYSO®Dem Oleo RL • Make sure that the formwork/mould is clean before use. • For an off shutter finish, the joints between shutter boards must be sealed with a neutral silicone or a polyurethane sealer. Dry PRECAST Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Wet Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM (Click on a product for more information) CONSTRUCTION SITES PROBLEM Timber Formwork CAUSES Timber & Man-made CHRYSO®Dem WB CHRYSO®Dem WP Blow holes Flaking with rough surfaces Dry Steam cured REMEDY All types of formwork CHRYSO®Dem Oleo FW CHRYSO®Dem Bio 10 Increase vibration, make concrete mix Air entrapment against less sticky (using CHRYSO®Fluid formwork (usually visible on Premia 100) or use CHRYSO® Dem vertical surfaces due to high Range with lower viscosity oils (less surface tension) surface tension) like CHRYSO® Dem Elio LSM or CHRYSO® Dem Oleo LD CHRYSO®Dem Oleo RL DECORATIVE CONCRETE PRECAST When precast units are demoulded while still green (moisture content is too high) CHRYSO® Accelerators, or increase delay time Wet Steam cured Not Steam cured CHRYSO® CHRYSO® CHRYSO® CHRYSO® CHRYSO® CHRYSO® ®Release Agent NB – No matter how good CHRYSO is, it cannot make bad concrete better! Dem Oleo HD Dem Oleo LD Dem Elio SP Dem Oleo LD Dem Oleo SM Dem Oleo LSM (Click on a product for more information) CONSTRUCTION SITES Timber Formwork Timber Timber && Plastic Man-made + others CHRYSO®Dem WB CHRYSO®Dem WP All types of formwork CHRYSO®Dem Oleo FW CHRYSO®Dem Bio 10 DECORATIVE CONCRETE CHRYSO®Dem Oleo RL PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM CHRYSO®Dem WB SUMMARY (Click on a product for more information) FORMWORK CONSTRUCTION SITES Metal Waxed based Timber Formwork Jobsites Timber & Man-made All types of formwork Wood CHRYSO®Dem WB - Reduces CHRYSO®Dem WP Timber formwork CHRYSO®Dem Oleo FW CHRYSO®Dem Bio 10 shutter board costs as it prevents Plastic + others the veneer on the shutter boards from delaminating. The formwork DECORATIVE CONCRETE can handle a minimum of 6 casts before it is laminated again CHRYSO®Dem Oleo RL Can also be used to coat pallets for protection when stacking bricks on them. PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM CHRYSO®Dem WP SUMMARY (Click on a product for more information) (Wax and paraffin) FORMWORK CONSTRUCTION SITES Metal Jobsites Timber Formwork Timber & Man-made All types of formwork Specially designed for casting Wood CHRYSO®Dem WB concrete in ‘coffer’ type CHRYSO®Dem WP formwork for concrete slabs – will not damage coffers. CHRYSO®Dem Oleo FW CHRYSO®Dem Bio 10 Plastic + others DECORATIVE CONCRETE Cannot be applied with a sprayer CHRYSO®Dem Oleo RL PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM CHRYSO®Dem Oleo FW SUMMARY (Click on a product for more information) FORMWORK CONSTRUCTION SITES Metal Mineral based Timber Formwork Timber & Man-made All types of formwork Jobsites only - not suitable for precast. CHRYSO®Dem WB Wood CHRYSO®Dem WP CHRYSO®Dem Oleo FW Used on all types of formwork CHRYSO®Dem Bio 10 Man-made Ideal for formwork suppliers DECORATIVE CONCRETE CHRYSO®Dem Oleo RL PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM CHRYSO®Dem Bio 10 SUMMARY (Click on a product for more information) FORMWORK Vegetable based, biodegradeable, non CONSTRUCTION SITES Metal toxic Timber Timber & Man-made Will not Formwork pollute the environment SafeCHRYSO®Dem to use (can confined WP WBbe used in CHRYSO®Dem All types of formwork Wood CHRYSO®Dem Oleo FW spaces like mining, tunnelling, poorly ventilated areas) CHRYSO®Dem Bio 10 Plastic + others DECORATIVE CONCRETE Jobsites (water retaining structures) Can be used with white cement CHRYSO®Dem Oleo RL (provided the formwork is spotless and clean) All formwork 6 month shelf life PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM CHRYSO®Dem Oleo RL SUMMARY (Click on a product for more information) Mineral based CONSTRUCTION SITES Metal Decorative concrete Timber Formwork FORMWORK Timber & Man-made All types of formwork Not suitable for steam curing CHRYSO®Dem WB Wood CHRYSO®Dem WP Used on (Category 3 – Man-made : CHRYSO®Dem Oleo FW plastic, polyurethane, rubber, latex, fibreglass) CHRYSO®Dem Bio 10 Plastic + others DECORATIVE CONCRETE CHRYSO®Dem Oleo RL PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM CHRYSO®Dem Oleo HD SUMMARY (Click on a product for more information) FORMWORK Collar inserts where there is a 90° CONSTRUCTION SITES Metal release angle Timber Timber & Man-made Assist inFormwork preventing breakage CHRYSO®Dem WP EasyCHRYSO®Dem stripping WB for stack casting All types of formwork Wood CHRYSO®Dem Oleo FW Mineral based CHRYSO®Dem Bio 10 Man-made Heavy precast (dry) – ideal forDECORATIVE pipe CONCRETE industry Contains no solvents CHRYSO®Dem Oleo RL - all types of moulds PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM CHRYSO®Dem Oleo LD SUMMARY (Click on a product for more information) FORMWORK Collar inserts where there is a 90° release CONSTRUCTION SITES Metal angle Assist in preventing breakageTimber & Man-made Timber Formwork All types of formwork Specifically formulated for pigmented CHRYSO®Dem WB concrete CHRYSO®Dem WP Wood CHRYSO®Dem Oleo FW Mineral based CHRYSO®Dem Bio 10 Plastic + others Light precast (wet and dry) DECORATIVE CONCRETE All types of moulds (except Category 3 – Man-made : plastic, CHRYSO®Dem Oleo RL polyurethane, rubber, latex, fibreglass) The low viscosity (thinness of the oil) createsPRECAST less surface tension against the sides of the moulds and therefore Dry allows air bubbles to escape, significantly reducing blow holes. Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD CHRYSO® Dem Elio SP Wet Steam cured CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM CHRYSO®Dem Elio SP SUMMARY (Click on a product for more information) FORMWORK Steam curing suspension roller concrete pipes – SITES Metal does not break down when exposed CONSTRUCTION to high temperatures of the steam curing process Timber Formwork Timber & Man-made All types of formwork Steel mould/formwork – rust preventative qualities and temporarily protects from CHRYSO®Dem WB CHRYSO®Dem WP corrosion. Wood CHRYSO®Dem Oleo FW CHRYSO®Dem Bio 10 Plastic + others Paraffin based DECORATIVE CONCRETE Precast (dry mix) Low flash point (50ºC) and this classifies itself as CHRYSO®Dem Oleo RL flammable. Caution should be taken with regard to storage and transport conditions. The product PRECAST will perish if exposed to direct light. Dry Fairly strong odour – ventilate Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM CHRYSO®Dem Oleo SM SUMMARY (Click on a product for more information) Universal releasing oil Mineral based Timber Formwork FORMWORK CONSTRUCTION SITES Metal Timber & Man-made WetCHRYSO®Dem precast WB All types of formwork Wood CHRYSO®Dem WP CHRYSO®Dem Oleo FW Steel moulds CHRYSO®Dem Bio 10 Plastic + others DECORATIVE CONCRETE CHRYSO®Dem Oleo RL PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM CHRYSO®Dem Elio LSM SUMMARY (Click on a product for more information) FORMWORK The low viscosity (thinness of the oil) CONSTRUCTION SITES creates less surface tension against the sidesFormwork of the moulds and therefore Timber Timber & Man-made allows air bubbles to escape, significantly reducing blowCHRYSO®Dem holes. NotWP CHRYSO®Dem WB suitable for steam curing Paraffin based Metal All types of formwork Wood CHRYSO®Dem Oleo FW Plastic + others DECORATIVE CONCRETE Precast (wet) All moulds (except Category 3 – Man-made : plastic, polyurethane, rubber, latex, fibreglass) CHRYSO®Dem Oleo RL PRECAST Dry Wet Steam cured CHRYSO® Dem Oleo HD CHRYSO®Dem Bio 10 CHRYSO® Dem Oleo LD Steam cured CHRYSO® Dem Elio SP CHRYSO® Dem Oleo LD CHRYSO® Dem Oleo SM Not Steam cured CHRYSO® Dem Oleo LSM ® CHRYSO (Click DemRange on a product for more information) Metal Wood Plastic + others CHRYSO®Dem Bio 10 CONSTRUCTION SITES Test panels that are built before construction are the best method for assessing the suitability ® CHRYSO Dem Elio LSM of a release agent for a given application. Timber Formwork Timber & Man-made CHRYSO®Dem Elio SP ®Dem Oleo CHRYSO®Dem WB CHRYSO®Dem WP CHRYSO FW All types of formwork CHRYSO®Dem Oleo FW CHRYSO®Dem Bio 10 CHRYSO®Dem Oleo HD CATEGORY 1 ® CATEGORY 2 CHRYSO Dem Oleo LD Metal DECORATIVE CONCRETE Wood CATEGORY 2 Manmade CHRYSO®Dem Oleo RL (timber, plywood, resin ply, shutter board) (steel/aluminium) CHRYSO®Dem Oleo SM CHRYSO®Dem Oleo RL (plastic, polyurethane, rubber, latex, fibreglass) A release agent is absorbed according to the CHRYSO®Dem WB density of the material, giving a grain CHRYSO®Dem ®Dem Range contain CHRYSO temporary rust preventative qualities Dry Steam cured CLICK HERE TO VIEW THE DEM RANGECHRYSO® AND CHRYSO® APPLICATION Dem Oleo HD CATEGORIES Dem Oleo LD • Any release agent containing a patterned finish. To avoid this, treat the solvent may cause the above WP form with wax, barrier paint, varnish or more material to become brittle or than one coat of release agent. Once these Wetdisintegrate. treatments have worn off, they cannot be renewed as there will be an uneven surface Steam Not Steam cured • Use CHRYSO®Dem Bio 10, that will result in the blotchy appearance of cured CHRYSO®Dem Oleo FW, concrete. CHRYSO®Dem Oleo HD, CHRYSO® CHRYSO® CHRYSO® CHRYSO® ® CHRYSO®Dem Oleo RL, • Dem CHRYSO Dem WB prevents the veneer Elio SP Dem Oleo LD Dem Oleo SM Dem Oleo LSM CHRYSO®Dem WP on the shutter boards from delaminating. PRECAST
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