Mapecoat DW 25

Application

:

Lining tanks used for containing drinking water, Coating storage tanks for foodstuffs, Protective lining in depuration tanks

Colour

:

Comp A : White | Comp B: Transparent, White

Consistency

:

Comp A: Thick Paste, Comp B: Fluid

Material

:

Liquid

Mixing ratio

:

component A : component B = 4 : 1

Type

:

Wall paint

Usage

:

Exterior | Interior

Weight

:

5 kg

Abrasion resistance (TABER test)

:

< 600 mg, Loss in weight less than 3000 mg after 1000 cycles with an H22 abrasive disk with a load of 1,000 g

Application temperature

:

from +5°C to +30°C

Base

:

Water based

Capillary absorption and permeability to water

:

W < 0.1 kg/m²·h0.5

Capillary absorption and permeability to water:

:

< 0.01 kg/m²·h0.5

Density

:

Comp A: 1.43 g/cm³, Comp B: 1.003 g/cm³

Density (A+B)

:

1,300 kg/m³)

Direct traction adherence test

:

3.5 MPa, Average (N/mm²) Cracking or flexible systems with no traffic: ≥ 0.8 (0.5)b) with traffic: ≥ 1.5 (1.0)b) Rigid systemsc) with no traffic: ≥ 1.0 (0.7)b) with traffic: ≥ 2.0 (1.0)b)

Drying time

:

7 hours

Final hardening time

:

7 days

Maximum VOC content according to Directive 2004/42/EC

:

160 g/l

Permeability to CO₂

:

900 m, Permeability to CO₂ SD > 50 m

Permeability to water vapour

:

Class I: SD > 5 m (permeable to water vapour) Class II: 5 m ≤ SD ≤ 50 m Class III: SD > 50 m (not permeable to water vapour), Class III

Pot life

:

30’-40’

Reaction to fire after application

:

Bfls1, Euroclasses

Resistance to impact measured on MC (0.40) coated concrete samples according

:

Class I, No cracks or delamination after loading Class I: ≥ 4 Nm Class II: ≥ 10 Nm Class III: ≥ 20 Nm

Resistance to severe chemical attack

:

No variation in performance. Bubbles with 10% acetic acid after 28 days, Reduction of hardness less than 50% when measured according to the Buchholz method (EN ISO 2815) or the Shore method (EN ISO 868), 24 hours after removing the coating material from immersion in the test liquid

Resistance to thermal shock (1x)

:

3.5 MPa, ≥ 2 MPa

Setting time of film

:

4-5 hours

Viscosity (A+B)

:

1,500 (3 shaft - 20 rev) mPa·s

Viscosity=

:

Comp A: 2,500 (5 shaft - 20 rev.), Comp B: 500 (2 shaft - 50 rev.)

Waiting time between coats

:

6-24 hours

Abrasion resistance

:

EN 13813, EN ISO 5470-1

Capillary absorption and permeability to water

:

EN 1062-3

Direct traction adherence test

:

EN 1542

Permeability to CO₂

:

EN 1062-6 (sample treated according to prEN 1062-11)

Permeability to water vapour

:

EN ISO 7783-1-2

Reaction to fire after application

:

EN 13501-1

Resistance to impact measured on MC (0.40) coated concrete samples according

:

EN 1766, EN ISO 6272-1

Resistance to severe chemical attack

:

EN 13529

Resistance to thermal shock (1x)

:

EN 13687-5