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Himtrust PM (standard)

Himtrust PM Standard polyurea

Used for waterproofing roofs, foundations, tanks, swimming pools, artificial reservoirs, anti-corrosion coating for metals, and the installation of industrial floors.

Features balanced properties of elasticity, strength, and wear resistance. It is used for facilities where the coating will be operated without impact and abrasive loads.

Packaging:

Component A Himtrust PM (Standard): 200 kg, 50 kg, 20 kg;

Component B: 220 kg, 50 kg, 20 kg.

Adhesion:
concrete: 2.24 MPa;
concrete + Himtrust Primer-PM 1K: 3.5 MPa;
steel with surface preparation grade St3 or Sa½: 2.77 MPa.

Coverage per 1 m² at 2 mm layer thickness* 2.2 kg.

Shore A hardness 85–95.

*Coverage values were obtained under laboratory testing conditions. Actual coverage depends on the condition, preparation quality, geometry, and material type of the substrate; the skill level of spray operators; the type and proper functioning of the high-pressure equipment; and work site conditions (wind speed, air temperature, and the temperature of the protected surface), and may be 5–40% higher.

Product description

Two-component system.

Component A is a liquid of any color chosen by the client.

Component B — transparent liquid.

Physical and mechanical parameters

Parameter	Value
Elongation strength	8-10 MPa
Relative deformation	350-450%
Residual elongation	35-45 mm
Shore A hardness	80-90 conventional units
Apparent Brookfield viscosity at 25°C	KA-300-600 MPa×s KB-700-900 MPa×s
Density at 20°C	KA-0.97-1.04 g/cm KB-1.13-1.15 g/cm

Preparation and processing

Clean the dirt, remove corrosion products and scale from the surface.
Clean the metal surface to reach a degree of 1 in accordance to GOST 9.402 or Sa 2.5 in accordance to ISO 8501-1; reach at least 60 microns of roughness degree Rz in accordance to GOST 25142 or ISO 8503-2.
Clean the concrete surface with a sanding machine or abrasive treatment.
Fully prime using Himtrust PM Primer (1K).
The time between cleaning the surface and applying the coating should not exceed 2 hours at a relative humidity of 80%, and 3 hours when the air humidity is less than 80%. If the specified time is exceeded, the surface will be covered with condensate, which requires heating with gas burners or hot air blowing to be removed. The surface temperature should be higher than the dew point temperature by 3°C.

Recycling rules

Mix the components in the container for 5 minutes.
Use a high pressure with an excess of 160 atmospheres.
Ratio A:B by volume: 100:100
Spray the system at when component A has a temperature of 40-45°C, and component B of 45-50°C.
Do not spray the system at an ambient temperature below 5°C.
The minimum layer thickness is 1 mm, the maximum is no more than 5 mm.
Consumption per 1 m² with a layer thickness of 2 mm is 2 kg.
When applying the coating layer using "wet on wet" technique, do not exceed the time interval of 24 hours without mechanical sanding.
Human/Pedestrian loads are allowed after 1 hour from the application time.
Full operation is ready after 24 hours.
Time to fully dry and harden is 7 days.
For protection from the UV radiation, apply a layer of Himtrust PUMA-s (2K) mastic with a thickness of 0.3 mm.

Health effects and precautions

Follow the Occupational Safety in Construction (SNiP III-4-80) regulations. Use personal protective gear: a gas mask or protective mask, special clothing covering all areas of the body, gloves, and shoes.

Storage recommendations

Expiry date is up to 6 months at temperatures no lower than +10 and not higher than +30 in the original package in a dry environment.

Problem Solution

Problem:
Bubbles on the surface
Solution:

Clean the defective area from blisters and craters with sandpaper or a sander.
Wash the area with a solvent.
Apply a new layer of Himtrust-PM.

Problem:
Elastic or brittle material
Solution:

Completely cut out the defected section.
Apply a new layer of Himtrust-PM.

Rights

Production of polyurea materials and polymeric materials is protected by patents and patent applications. This publication does not grant the right to carry out patented technological processes. The information and recommendations contained in this publication fully reflect Himtrust’s knowledge of the product to date. All the information is accurate to the best of our knowledge at the time of the publication. Nothing in this publication should be construed as a warranty. Under any circumstances, it is the user’s responsibility to determine the applicability of such information or the product itself to the user's specific purpose.