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Medium bed mortar, white, rapid

APPLICATIONSLow-slump, rapid-setting, highly plastic-improved white medi­um bed mortar according to EN 12 004 C2 F. For the sure instal­lation of large format natural stone tiles with different thick­nesses, such as sheet material or for flooring with greater mor­tar bed thicknesses. Very broad range of applications from nor­mal standard installation to coverings subject to high loads.Because of the quick setting and crystalline water retention, moistening of the flooring material is significantly reduced. Dis­colourations, deformations and efflorescence can therefore be largely excluded. For interior and exterior use on walls and floors in residential, commercial and industrial areas.

LEED: Meets the LEED requirements in IEQ Credit (4.1) Low Emit­ting Materials (LEED v4)

SUITABLE FOR USE ON

SUITABLE ON

Light marble typesLime stoneJura marble, Solnhofen platesGranite, QuartziteNatural stone tiles, plates and sheet materialGypsum carton and gypsum board platesCement, lime cement and gypsum plasterWalls from brick, concrete blocks, gas concrete, lime sand brick

Tile backing elementsSite-mixed concrete, prefab concrete elements (at least 6 months old)Calcium sulphate and cementitious screedscompound-capable dry construction elementssufficiently gritted, mastic asphaltHot water underfloor heating

PRODUCT BENEFITS/FEATURESPowdery, highly plastic-improved dry working mortar with white special cements, mineral aggregates and additives.When mixed with water produces a pliable, low-slump, hy­draulically setting natural stone bonding mortar with optimal processing properties. Because of quick water retention, the reliability with the installation of natural stones with high wa­ter absorption is significantly increased.

Free from discolouration even with light-coloured natur­al stoneFor high levels of wearUp to 20 mm mortar bed thicknessQuick-settingEasy to processLow-shrinkageExtreme early strengthWaterproof and frost-resistantLow chromate content acc. Regulation (EC) No. 1907/2006 (REACH)EMICODE EC 1 R PLUS / Very low-emission

TECHNICAL SPECIFICATIONSPack type paper bag

Pack size 25 kg

Shelf life 12 months*

Color white

Minimum working temperature +5 up to +25 °C

Ideal working temperatures +10 up to +25 °C

Working Time/ Pot Life approx. 40 minutes*

Working time 30 minutes*

Set to foot traffic after approx. 4 hours*

Resilient after approx. 48 hours*

Ready for jointing after approx. 1 hours*

Final strength after approx. 28 days*

* At 23 °C and 50 % humidity.

CODEX STONE SX 60 MBWhite, rapid-setting medium bed mortar with crystalline water retention for natural stone flooring

Product Datasheet

codex GmbH & Co. KG | A company of Uzin Utz GroupGB | Uzin Utz UK Ltd. | Unit 2, Mitchell Court | Central Park, Rugby | Warwickshire, CV23 0UY | Phone +44 1788 530 080 | Fax +44 1788 536 508 codex.uk@uzin-utz.com | www.codex-x.co.ukDE | codex GmbH & Co. KG | Heuweg 5/1 | 89079 Ulm | Tel +49 731 927093-0 | Fax +49 731 927093-190 | info@codex-x.de | www.codex-x.de

CODEX STONE SX 60 MBSUBSTRATE PREPARATIONThe substrate must be sound, dry, flat, free of cracks, clean, load-bearing and free of materials that could impair adhesionstrength.Test the substrate in accordance with applicable standards or bulletins and report any deficiencies. Mechanically prepare smooth concrete surfaces, adhesion-reducing or weak layers and clean dust-free, if necessary. Prepare substrate accord­ing to type and properties with suitable primers and levelling compounds from the codex range of products. Prime gyp­sum-based substrates. Flowscreeds must be ground, vacu­umed and primed. Allow primers to always dry completely. When installing mortar bed thicknesses above 5 mm on moisture-sensitive substrates, such as calcium sulphate screeds, they shall be pretreated with a barrier primer such as codex FG 550 or codex FG 500 S with codex FG 500 H to protect against the mixing water. Heated screeds must be treated according to „Interface coordination for heated floor constructions“ (heat drying, heating to accelerate readiness for covering).Refer to the product data sheets for other codex products used.

APPLICATION1. Pour approx. 5 litres of cold, clean water into a clean con­tainer. Add sack contents (25 kg) whilst stirring vigorously until a creamy and lump-free mortar is obtained. Small quan­tities require approx. 200 ml of water per 1 kg of powder. Al­low to mature for approx. 3 minutes, then stir well once more.2. Apply a thin, continuous contact layer with the smoothing trowel to the substrate.3. Apply another sufficiently thick mortar layer onto the fresh contact layer and brush on evenly with the notched trowel. Apply only as much mortar as can be covered within the working time.4. Place natural stone with slight rotating movement into the mortar bed and press down well. The use of tile wedges may be necessary for wall coverings from thicker tiles and mortar layers. For sensitive and/or absorbent natural stone, the backing of the floor covering must be thinly levelled with codex Stone SX 60 MB.5. Remove soiling on tools and covering with water while fresh.

COVERAGENotch size Approx. consumption

8 mm, C4 3,0 kg/m²

10 mm, C5 3,4 kg/m²

15 mm, rund 5,9 kg/m²

IMPORTANT NOTES

CONSUMPTIONSpecial cements, mineral aggregates, redispersible polymers and additives.

PROTECTION OF THE WORKPLACE AND ENVIRONMENTContains cement low in chromate acc. Regulation (EC) No. 1907/ 2006 (REACH). Cement produces strong alkaline on reaction with water. Avoid con­tact with skin and eyes. In the event of contact, rinse immediately with water. In the event of skin or eye irritation, seek medical advice. Use protective gloves. When mixing wear a protective dust-mask. Presents no physiological or eco­logical risk when fully cured.EMICODE EC 1 R PLUS – very low emission.

DISPOSALWhere possible, collect product residues and re-use. Do not allow to get into drains, sewers or ground. Empty paper packaging is recyclable. Collect waste product, mix with water, allow to harden, then dispose as Construction Waste.

Shelf life at least 9 months in original packaging when stored in dry con­ditions. Carefully and tightly re-seal opened packaging and use the con­tents as quickly as possible.Optimum processing at 15 – 25 °C, relative humidity 75%. Cold and high humidity will delay whilst heat and low humidity will accelerate the work­ing, setting and drying time.When installing natural stones tending toward strong „dishing“ due to wa­ter absorption (e.g. Serpentinite), waterless bonding systems such as codex Fliesopur must be used or application-related consulting needs to be solicited.Use codex products according to the current product overview for areas with increased exposure to chemicals and acids as well as on wood or chipboard panels, metal and plastics or solicit application consulting.Floor temperature control through radiator connection lines returns must be equipped with a temperature limiter (< 38 °C).Protect newly installed areas from drafts, direct sunlight and heat as well as wetness.codex Stone SX 60 MB can also be used as fixing mortar for large format natural stone tiles. Apply codex Stone SX 60 MB here using the buttering-floating method at desired layer thickness (up to max. 40 mm).Tiles and slabs with pronounced structures on the back may possibly re­quire slight skimming over to create a continuous bed for the coverings as much as possible.Clean tools and soiled ceramics with water while fresh.Drying and strength development depend on the weather conditions. Weather cycles ensuring sufficient setting and drying of the coverings must be taken into account with exterior use; appropriate protective mea­sures must otherwise be taken.Exterior processing: Proper sealing with codex NC 220 or codex NC 210 must always be installed. Our first recommendation for balconies and ter­races strongly subject to weather is codex Stone SX 80 cristal (obtain ap­plication consulting). Glazed vitrified tiles are a preferred covering materi­al.The following apply as well, amongst others, or are recommended for special consideration:

DIN 18 352 „Tile and slab work“DIN 18 157 „Ceramic work in thin bed processes“ZDB bulletins:

„Composite sealants“„Coverings on cementitious screed – heated“„Coverings on cementitious screed – unheated“„Coverings on calcium sulphate heated screed“„Exterior coverings“„Interface coordination“

BEB bulletin:„Assessment and preparation of substrates“

The above information is based on our experience and careful investigations. The variety of associated materials and different construction and working conditions cannot be individually checked or influenced by us. The quality of your work depends, therefore, on your own professional judgement and product usage. If in doubt, conduct a small test or obtain technical advice. Observe the installation recommendations of the covering manufacturer. The publication of this Product Datasheet invalidates all previous Product Information. The respective updated version of this datasheet can be found on our website: www.codex-x.com. | 04/2019