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An additive which modifies the cements' hydration process. It is added to the water mix for cementitious products and is designed to prolong the handling/working time of Portland cement-based concretes, renders and mortars, without extending the time between start and finish of the initial setting.
- 10 year manufacturer warranty
Please Note: This product is made to order subject to a lead time of 14-21 Working Days.
Description
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Features & Benefits
- One-coat renders such as MONOREX GM/GF, MONOBLANCO etc, from the PAREX range needing extended handling and extra time before scraping
- Portland cement-based concrete, renders and mortars needing extended handling times
- Concreting during hot weather
- Patching concrete
- Concrete transported over long distances
Technical Characteristics
- Appearance: liquid
- Colour: colourless
- Density: 1.07 ± 0.01
- pH: 11 ± 1
- Freezing point: -5º C approx
- Content in Cl- ions: < 0.1 %
- Na20 equivalent ≤ 3.5 %
Setting time tests carried out on standardized mortars*
| E/C | DP | FP | TP | |
|---|---|---|---|---|
| Control mortar | 0.5 | 5 hours 10 minutes | 7 hours 35 minutes | 2 hours 25 minutes |
| Mortar + TARDEX 1.2 % | 0.5 | 7 hours 10 minutes | 9 hours 30 minutes | 2 hours 20 minutes |
Application
Tardex must under all circumstances be incorporated into the mixing water and not the render. For renders on a single worksite the dosage must remain constant to avoid any risk of colour differences.
ATTENTION: Adding Tardex can slightly darken a renders colour. Ensure the product is used throughout the render, on the facade being applied to.
Consumption
This information is provided as guidance only, excludes wastage and will vary subject to the product it is mixed with.
For one-coat render e.g. MONOREX GM/GF, MONOBLANCO from the PAREX range:
- From 0.3 to 0.7 litres per water content mix for 6 bags (180 kg), the optimal dose being about 0.5 litres per mix of 6 bags
- Increasing the dosage will not provide additional extended working time and may affect the performance of the mixed product
For mortars and concrete:
- From 0.5 to 5 litres per water content for 100 kg of cement, i.e. 0.5% to 5 % of the weight of cement
Precautions
- Operating temperature range between +20ºC or above +35°C
- Store product in frost-free conditions. If product is accidentally frozen, place at +20ºC and after several hours, shake well to ensure the products contents are evenly distributed and mixed
- Do not mix with acidic products
- Irritant: avoid any contact with skin or eyes. If splashing occurs, rinse thoroughly with water
Product Details
9667-966512
Data sheet
- Manufacturer
- Sika
- For Use On
- Cement
- Pack Size
- 20L
- Pack Size
- 20L
- Coverage
- From 0.3 to 0.7 litres per water content mix for 6 bags (180 kg), the optimal dose being about 0.5 litres per mix of 6 bags
- Size
- 20L
- UN Number
- N/A
- Suitable For Use On
- Cement
- Manufacturer
- Sika
- Components
- 1K
- Product Range
- Parex
Questions
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Sika Parex Tardex is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT