Deys Betontechniek B.V.

Giet- en ondersabelingsmortels,Betonreparatie producten, Injectieproducten, Kunststoffen, Mortelpompen, Voegovergang constructies

Deys Targets
  • Chemical-and petrochemical plants

  • Delta works

  • Sea Lock IJmuiden

  • Harbours

  • Industry

  • Offshore

  • Powerplants

  • Department of public works

  • Railways

  • Utility

  • Airports

  • Water treatment

  • Road and water construction

  • windmills




BETEC 405 HOZ is a non- (wet) shrinking repair mortar based on blast furnace cement applied in constructive wall- and floor repairs.

Type Grain structure(mm) Particulars
405 HOZ 0-0.5 blast furnace cement
Quality control

During manufacturing only high-quality aggregates are used, which meet the strictest requirements. During the production process as well as during the final stages these materials are extensively tested for quality, not only in our own laboratory, but also in independent acknowledged institutes.

Application areas Advantages
  • Floor repairs
  • Level grouting of tapered holes
  • Repairs to concrete walls
  • Repairs in the off-shore industry
  • Repairs to joints
  • Repairs to prefab concrete elements
  • Products ready for use, which are easy to process and environment-friendly
  • Chromate reduced
  • Checked volume increase
  • No plastic shrinkage
  • Resistant to frost and gritting materials, like salt
  • Free of chlorides and other corrosive aggregates
  • Contain no aluminous cement
  • Comply with the requirements drawn up for prestressed concrete
  • Very good adhesion to concrete and steel
  • Highly resistant to oil and grease
Packaging and storage
25 kg bags. Dry and frostproof, storage life 12 months in the original and closed package.
Refer to safety sheets.


Article Code 405 HOZ
Kind of mortar trowel mortar
Type of mortar [mm] 0.5
Thickness of layer [mm] 2-10
Class of strength K30
Environmental degree xo t/m xa3
Application class RC3
Volume increase [%] > 0.1 en < 2.0
Desiccation shrinkage after 90 days [mm/m] < 1.2
(measurement of shrinkage on experimental patches that received no curing)  
Water penetration [mm] < 10
Resistance to frost and gritting material (salt) [mg/mm²] < 0.4
Carbonatation depth (91 days) [mm] < 2
Halogen content [%] < 0.05
Thermic expansion coefficient [°C] < 12 x 10-6
Polymer content not applicable
Water segregation (bleeding) / foaming none
Min. processing temperature ** [°C] 5
Max. processing temperature [°C] 35
Rel. Relative humidity foundation soil moderately
Bond strength to concrete [N/mm²] >2
Water dosage Refer to front of package
Calculation of amount of dry mortar [kg/m³] 1650
Density of mixed mortar (kg/dm³) 1.90
Compressive strength [N/mm²](20°C)  
 • 1 day 8.0
 • 7 days 31.5
 • 28 days 32.0
 • 90 days 33.0
Flexural-tensile strength [N/mm²] (20°C)  
 • 1 day 3.0
 • 7 days 5.5
 • 28 days 6.0
 • 90 days 6.6
Complies with CUR recommendation 54 Note:In order to obtain a polymer-modified mortar (PCC) these repair mortars can be applied in combination with BETEC 410 which is a dispersion of synthetic resin. This dispersion should be added to the mixing water. Depending on the application and application circomstances.
Processing advice
General Processing Advice Trowel and wet guniting grouts (cement-bound) [B]


The technical instructions and recommendations we provide on the basis of our experience and to the best of our knowledge, are entirely without obligation and merely provide an indication. Not all facts, problems and queries that occur during practical application can be included in a general documentation sheet. Our recommendations and instructions do not commit us to any legal obligations as a result of the purchase and application of our products. Any deviating agreements made by our employees that are not included in our datasheets will only be lawful providing they have been confirmed in writing by the management. Our raw materials, semi-finished products and products comply with the most stringent quality standards. This does not relieve the user of their responsibility to test our products prior to their application. Our general trading and delivery conditions, which we are happy to forward to you on demand, are and remain applicable at all times.
This specification sheet supersedes any previous versions.