Services

Radiation tests

  • The power of the equivalent dose of gamma radiation on the territory of enterprises, workplaces, forest and agricultural land, buildings, structures, machinery, transport, etc.;
  • The content of radionuclide caesium-137 in wood products, wood products.

Testing of woodworking products

List of services provided by the central factory laboratory for testing finished wood products
according to national, interstate and international methods of measurement and testing

  • Particle board (chipboard)

    • Humidity
    • Density
    • Thickness swell
    • Bending strength
    • Tensile strength perpendicular to the plate formation
    • Hardness
    • Warping
    • Surface roughness (Rm)
    • Specific resistance to pulling out screws
    • Flexural modulus of elasticity
    • Specific resistance to pulling out screws
    • Formaldehyde content in the plate
    • Resistivity to normal separation of the outer layer
  • Wood-fiber boards of the wet production method (fiberboard) and dry production method (MDF)

    • Humidity
    • Density
    • Water absorption of the front surface in 24 hours.
    • Swelling in thickness in 24 hours.
    • Ultimate bending strength
    • Tensile strength perpendicular to the plate formation
    • Formaldehyde content in the stove
  • Profile parts made of wood and wood materials for construction (trim, skirting board, paneling, window sill board, floor board, handrail)

    • Humidity (the method of determination -with an electric moisture meter)
    • Roughness (Rmmax)
    • The strength of adhesion to the finished surface, adhesion (the method of lattice incisions)
    • Strength of adhesive joints for chipping along the fibers
    • Flexural strength of adhesive joints at toothed joints
    • Strength of adhesive joints for uneven separation of sheet claddin
    • Water resistance of adhesive joints
    • Quality of paint and varnish coatings
  • Door blocks

    • Humidity (method of determination by an electric moisture meter)
    • Roughness, (Rmmax)
    • Bond strength to the surface to be finished, adhesion (grid incision method)
    • Strength of adhesive joints for chipping along the fibers
    • Flexural strength of adhesive joints at toothed joints
    • Strength of adhesive joints for uneven separation of sheet cladding
    • Water resistance of adhesive joints
    • Linear dimensions
    • Perpendicularity
    • Flatness
    • Strength: corner adhesive joints, corner welded joints, polyvinyl chloride profile
    • Straightforwardness
    • Quality of paint and varnish coatings
  • Window and door balcony blocks

    • Humidity (method of determination by an electric moisture meter)
    • Roughness, (Rmmax)
    • The strength of adhesion to the finished surface, adhesion (the method of lattice incisions)
    • Strength of adhesive joints for chipping along the fibers
    • Flexural strength of adhesive joints at toothed joints
    • Water resistance of adhesive joints
    • Strength of corner joints
    • Quality of paint and varnish coatings
  • Chipboard plates

    • Ultimate bending strength
    • Tensile strength perpendicular to the plate formation
    • Warped appearance
    • Resistivity to normal separation of the outer layer
  • windows and balcony doors

    • Strength of corner welded joints of polyvinyl chloride profile
  • Softwood and hardwood lumber

    • Humidity (method of determination by an electric moisture meter)
    • Roughness(Rmmax)
  • Dry-process fiberboard (MDF), including lined

    • Moisture content
    • Tolerance for the average density of the plate
    • Thickness expansion in 24 hours
    • Flexural strength
    • Transverse tensile strength
    • Tolerances for nominal dimensions: thickness, length, width
    • Squareness tolerances
    • Tolerances for the straightness of the edges
    • Formaldehyde content in the plate (formaldehyde potential):perforator method; chamber method; gas analysis method
    • Flexural modulus of elasticity
    • Resistance to pulling out screws
    • (determination of resistance during axial extraction of screws)
    • Moisture resistance: cross-tensile strength (internal bond) after cyclic testing; thickness swelling after cyclic testing; cross-tensile strength (internal bond). communication) after the boiling test
  • Laminate floor coverings (panels)

    • Thickness
    • Surface layer length
    • Surface layer width
    • Length and width of square elements
    • The perpendicularity of the adjacent sides of the element (squareness)
    • Straightness of the surface layer
    • Flatness of the element
    • Opening joints between elements
    • Height difference between elements
    • Changes in size when the relative humidity of the air changes
    • Light resistance (xenon arc)
    • Residual deformation from static load application
    • Tear strength of the surface layer
    • Abrasion class
    • (abrasion resistance)
    • Impact strength class (impact strength of a large diameter ball)
    • Stain resistance
    • (resistance to staining)
    • The result with a limited displacement of the furniture leg
    • Testing by chair rollers
    • Swell by sample thickness
    • Humidity
    • Appearance, surface defects
    • Formaldehyde content: chamber method; gas analysis method
    • Slip resistance
  • Particle boards, lined with films based on thermosetting polymers

    • Ultimate bending strength
    • Warped appearance
    • Hydrothermal resistance of the coating
    • Tensile strength perpendicular to the plate formation
    • Resistivity to normal separation of the outer layer
    • Hardness of the protective and decorative coating
    • Resistance of the coating to high air temperature
    • Thermal resistance of the coating
    • Abrasion resistance of the coating
    • Coating resistance to staining
    • Resistance of the coating to variable temperatures
    • Formaldehyde content (formaldehyde release): chamber method; gas analysis method
  • Dry-process fiberboard (MDF), lined with films based on thermosetting polymers

    • Ultimate bending strength
    • Warped appearance
    • Hydrothermal resistance of the coating
    • Tensile strength perpendicular to the plate formation
    • Resistivity to normal separation of the outer layer
    • Hardness of the protective and decorative coating
    • Resistance of the coating to high air temperature
    • Thermal resistance of the coating
    • Abrasion resistance of the coating
    • Coating resistance to staining
    • Formaldehyde content (formaldehyde release): chamber method; gas analysis method

Environmental testing

  • Atmospheric air research

    • Determination of the concentration of carbon oxides
    • Determination of formaldehyde concentration
  • Studies of emissions from stationary sources

    • Gas and dust flow rate and flow rate
    • Gas and dust flow rate
    • Pressure of gas and dust flows
    • Temperature of gas and dust flows
    • Humidity of gas and dust streams
    • Determination of formaldehyde concentration
    • Determination of carbon monoxide concentration
    • Determination of the concentration of nitrogen oxides
    • Determination of oxygen concentration
    • Determination of the concentration of solid particles (undifferentiated by the composition of dust)
  • Wastewater and surface water studies

    • Determination of suspended matter concentration
    • Determination of the concentration of dissolved substances (dry residue)
    • Determination of pH (hydrogen index)
    • Determination of formaldehyde concentration
    • Determination of the concentration of petroleum products
    • Determination of the concentration of phenols
    • Determination of dissolved oxygen concentration
  • Drinking water research

    • Determination of the concentration of dissolved substances (dry residue)
    • Determination of overall stiffness
    • Determination of total iron concentration
    • Determination of pH (hydrogen index)
    • Determination of taste and smell

Study of working conditions

Studies of working conditions for the purpose of periodic monitoring and certification of workplaces

  • Working area air (chemical factors)

    • Determination of the acetone concentration
    • Determination of the ammonia concentration
    • Determination of the concentration of sulfur dioxide
    • Determination of carbon monoxide concentration
    • Determination of toluene concentration
    • Determination of the concentration of petroleum hydrocarbons
    • Determination of xylene concentration
    • Determination of the aerosol concentration of sulfuric acid
    • Determination of wood dust concentration
    • Determination of formaldehyde concentration
    • Determination of the phenol concentration
    • Determination of the concentration of caustic alkalis
    • Determination of the concentration of iron oxides in the welding aerosol
    • Determination of the concentration of chromium oxides in the welding aerosol
  • Jobs (physical factors)

    • Illumination
    • Noise (including sound pressure level in octave or third-octave frequency bands, sound level, energy-equivalent sound level, maximum sound level)
    • Air temperature
    • Relative humidity of the air
    • Air velocity
    • Intensity of thermal irradiation
    • General and local vibration
    • Intensity of ultraviolet radiation
  • Premises of residential and public buildings, the territory of residential development

    • Noise (including sound pressure level in octave or third-octave frequency bands, sound level, energy-equivalent sound level, maximum sound level)
    • Air temperature
    • Relative humidity of the air

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