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Product information "WATCO Concrex Sub Zero – polyaspartic repair mortar for frost down to −20 °C"

Concrex Sub Zero is WATCO's repair mortar for concrete damage in freezer stores, chillers and outdoor areas in winter. According to the manufacturer it still cures at −20 °C, so cold rooms do not have to be defrosted for the repair and emergency repairs in freezing conditions need not be postponed. That saves downtime and energy.

Unlike the other Concrex mortars, it is based on polyaspartic resin with blended aggregate. The mortar is particularly suited to thin-section repairs and feather edges, can be used up to 50 mm deep and gives a strong, waterproof, non-dusting and chemical-resistant surface for heavy vehicle and foot traffic. Suitable for concrete, metal, sand and cement screed, brick and masonry.

Typical applications

  • Freezer rooms, chillers and cold stores
  • Unheated buildings and outdoor areas in winter
  • Emergency repairs to frost-damaged concrete floors

Features

  • Cures down to −20 °C floor temperature (manufacturer data)
  • Polyaspartic technology for thin, feather-edged repairs
  • Chemical resistant, waterproof, non-dusting
  • For heavy vehicle and foot traffic

Technical data (manufacturer)

Base2-pack polyaspartic resin with aggregate
SubstratesConcrete, metal, sand and cement, brick, masonry
Coverageapprox. 1.2 m² per 10 kg at 5 mm
Thicknessfeather edge up to 50 mm
Cure time5 h at 15 °C, 16 h at 0 °C, 48 h at −20 °C
Min. floor temperature−20 °C
UseIndoors and outdoors
Storage10–30 °C; 12 months unopened

Sold in the UK as Concrex Sub Zero. Where temperatures stay above 0 °C, Concrex Cold Set is an epoxy-based alternative.

Hazard information under CLP (according to the manufacturer's safety data sheet)

Component: Resin

GHS07 Exclamation mark

Signal word: Warning

Hazard statements: H317 May cause an allergic skin reaction. H319 Causes serious eye irritation. H412 Harmful to aquatic life with long lasting effects.

Precautionary statements: P280 Wear protective gloves. Wear eye protection or face protection. P501 Dispose of contents and container in accordance with all local, regional, national and international regulations.

Supplemental information: EUH211 Warning! Hazardous respirable droplets may be formed when sprayed. Do not breathe spray or mist.

Component: Curing agent

GHS07 Exclamation mark

Signal word: Warning

Hazard statements: H317 May cause an allergic skin reaction. H332 Harmful if inhaled. H335 May cause respiratory irritation.

Precautionary statements: P280 Wear protective gloves. P284 In case of inadequate ventilation wear respiratory protection. P271 Use only outdoors or in a well-ventilated area. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P501 Dispose of contents and container in accordance with all local, regional, national and international regulations.

Supplemental information: EUH204 Contains isocyanates. May produce an allergic reaction.

Component: Aggregate

Not classified as hazardous.

Wording of the H, P and EUH statements as per CLP Regulation (EC) No 1272/2008, Annexes III and IV; pictograms derived from the classification. The manufacturer's label and current safety data sheet are authoritative.

Note: The components may be classified as hazardous. We will send you the current safety data sheets with classification, labelling and H and P phrases on request before you order. Supplied to trade and industrial users only.

Downloads

Technical Details

Operating Conditions: Abrasion-resistant, Chemical resistant, Cold-resistant, Cold environment, Durable, For indoor use, For outdoor areas, For production environments, For warehouse
Sectors/Industry: Building & Facility Management, Construction & Renovation, Food & Beverages, Industry & Production, Logistics & Warehousing, Maintenance & Technical Services

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Unless stated otherwise on the product, delivery takes 14 working days within Germany and 21 working days to all other delivery countries. For custom-made products we agree the delivery date with you individually.

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