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