Standards

The tests are performed according to the following standards:

ČSN EN ISO 2409 – Cross cut test
ČSN ISO 2819, 2.12 – Test of Adhesion by thermal shock
ČSN EN ISO 4628 – Evaluation of paint degradation. Classification of the amount and size of defects and the intensity of individual appearance changes
ČSN EN ISO 6270-2 – Determination of resistance to humidity in condensation-water atmospheres
ČSN EN ISO 9227 – Test in neutral salt spray by NSS, AASS, CASS
ČSN EN ISO 10289 – Evaluation of surface after corrosion testing
ČSN EN ISO 2812 – Determination of resistance to liquids
ČSN EN ISO 15184 – Determination of film hardness by pencil test
ČSN EN 60068-2-1 ed. 2 – Environmental test -Cold
VW TL 211 – Test of plastic parts
VW TL 211 No. 8, TL 226, TL 227, TL 256, TL 260 No. 2, TL 52451 No. 5 – Determination of resistance to liquids
VW PV 1210 (ČSN EN ISO 6270-2, ČSN EN ISO 2812-1,2,3,4) – Climate corrosion change test
VW PV 1200, PV 2005-A – Damp heat cyclic test
VW PV 1209 – Combined cycle test
VW PV 1503A (DIN 55662, ČSN EN ISO 6270-2, ČSN EN ISO 16925) – Pressure Washer Test

We are preparing tests according to other standards.

Standards: Testing of plastics

Gradus a.s. since the year 2014 offers and carry out the following tests:

tests of plastics varnished mainly according to VW norm TL 211 and TL 226
ČSN EN ISO 2409 Cross cut test
DIN EN ISO 20567-1 Steinschlagtest – Gravel blasting test
VW PV 1503 Dampfstrahltest – Resistance to hot water stream
ČSN EN ISO 6270-2 Resistance to humidity – Exposition of samples to Condensation water enviroment
VW PV 1200 Climate test – Alternating climate temperature test with controlled humidity
Determination of mirror gloss of coatings with geometry 20°;60° 85° (acc. to ČSN EN ISO 2813)
Colorimetric determination of color differences (acc. to ASTM E 1347, EN ISO 11664-4, EN 13523-3, ISO 7724-1,2,3)
Test for the determination of resistance to UV radiation under the UV lamps (acc. to ASTM G 154, EN ISO 4892-1, EN ISO 4892-3, EN ISO 927-6, EN ISO 16474)
Determination of wavy surface (Orange Peel) with dependence of measured gloss (DOI) even on smaller or curved surfaces
Temperature resistance
Chemical resistance

Standards: Testing of metals

Gradus a.s. carryout the following tests:

Corrosion test in neutral salt spray by NSS, AASS, CASS method and evaluation of the surface after testing (according to ČSN EN ISO 9227, evaluation acc.to ČSN EN ISO 10289 or ČSN EN ISO 4628)
Corrosion test for the determination of resistance to humidity in condensation-water atmospheres with evaluation of surface after testing (acc. to ČSN EN ISO 6270-2, evaluation acc. to ČSN EN ISO 10289 or ČSN EN ISO 4628)
Corrosion test for the determination of resistance to humidity containing sulfur dioxide (acc. to EN ISO 3231, EN ISO 6988, DIN 50018 KFW 1.0S, 2.0S)
Combined corrosion test in neutral salt spray and resistance to humidity in condensation-water atmospheres by NSS, AASS, CASS method- car manufacturers standards (podle ČSN EN ISO 9227 a ČSN EN ISO 6270-2, Evaluation acc. to ČSN EN ISO 10289 or ČSN EN ISO 4628)
ČSN EN ISO 2409 Cross Cut test – Grid test
ČSN ISO 2819, 2.12 Test of Adhesion by thermal shock – Heat shock adhesion test
ČSN EN ISO 4628 Evaluation of paint degradation. Classification of the amount and size of defects and the intensity of individual appearance changes
Liquid resistance test
Damp heat cyclic test (PV 1200:2003, PV 2005-A:2000, ČSN EN ISO 17872)
Climate corrosion change test (Combined cycle test) (PV 1209:2010)
Determination of film hardness by pencil test ČSN EN ISO 15184
Pressure Washer Test (PV 1503A:2008, DIN 55662:2008) (ČSN -EN ISO 6270-2, ISO 16925:2014) ISO 20653, specification 9K (IPX9)
Environmental test -Cold (ČSN EN 60068-2-1 ed.2)
Determination of stone-chip resistance of coatings (Multi-impact testing) (ČSN EN ISO 20567-1)
VW PV 1210 Car body parts and vehicle mounted parts – Corrosion test (cyclic test).