J. Sadílek
MECHANICAL TESTING LABORATORY
Lab offers material test methods that comply with national standards (ČSN, ČSN EN, ČSN EN ISO) recognized international standards (ISO, DIN, ASTM, etc.) automotive standards (PV, VW, DBL, etc.) or methods developed.
STANDARD TEST METHOD
- Determination of tensile properties (ISO 527-1,-2,-3)
- cross-head speed range: 0.5 ÷ 500 mm/min
- temperature range: -60 ÷ 200 °C
- Determination of flexural properties (ISO 178)
- temperature range: -60 ÷ 200 °C
- Determination of properties derived from the tensile load course
- for example:
- Coefficient of friction (ISO 8295)
- De-blocking force of films (ISO 11502)
- Pipe stiffness (ČSN EN ISO 9969)
- for example:
- Determination of tear resistance
- Trouser tear method (ISO 6383-1)
- Elmendorf method (ISO 6383-2)
- Determination of hardness
- Ball indentation method (ISO 2039-1)
- Rockwell hardness (ISO 2039-2)
- Determination of indentation hardness by means of a durometer
- Shore A, D (ISO 868, DIN 53505)
- Determination of Charpy impact properties
- Non-instrumented impact test (ISO 179-1)
- Instrumented impact test (ISO 179-2)
- temperature range: -60 ÷ 80 °C
- Determination of IZOD impact strength (ISO 180, ASTM D 256)
- temperature range: -60 ÷ 23 °C
- Determination of impact resistance by the free falling dart method of plastics film and sheeting (ISO 7765-1)
- Determination of puncture impact behavior of rigid plastics
- Non-instrumented puncture test (ISO 6603-1, ASTM D 3029)
- Instrumented puncture test (ISO 6603-2, ASTM D 3029)
- temperature range: -40 ÷ 80 °C
- Determination of Vicat softening temperature (ISO 306)
- Determination of temperature of deflection under load (ISO 75-1, -2)
- Determination of coefficient of linear thermal expansion of plastics
- stationary test (ČSN 64 0528)
- temperature range: 25 °C ÷ 85 °C
- non-stationary test (ISO 11359-2)
- temperature range: -60 ÷ 200 °C
- stationary test (ČSN 64 0528)
- Determining the density of non-cellular plastics (ISO 1183-1, method A)
SPECIAL TESTING METHODS
- Determination of crack opening rate at long time creep tension (PENT Test) (ISO 16241, ASTM F 1473)
- temperature range: 40 ÷ 115°C
- Determination of environmental stress cracking of PE - Full-notch creep test (FNCT, ISO 16770)
- temperature range: 40 ÷ 95 °C
- Evaluation of stress crack resistance (ASTM D 5397)
- temperature: 50°C
- Determination of antistatic properties of plastics by attenuation of electric charge testing procedure according to JIS L1049
- Time to failure of plastic pipe under constant internal pressure (hydrostatic rupture data) (ISO 1167-1, ISO 1167-2, ASTM F 876, ASTM F 877)
- Determination of creep behavior
- Tensile creep (ISO 899-1)
- temperature range: 23 ÷ 150 °C
- Flexural creep by three (four) - point loading (ISO 899-2)
- temperature: +23 °C
- Tensile creep (ISO 899-1)
- Dynamic mechanical analysis (tensile vibration, flexural vibration - non-resonance method) (ISO 6721-1,-4,-5)
- temperature range: -120 ÷ 500 °C
- frequency range: 0.001 ÷ 10 Hz
- Testing of Resistance to Environmental Cycle Test (PV 1200, PV 2005)