Name Planned shipping method Start Date  
Wall thickness measurement of plastic pipes
Parameters (quantitative): Wall thickness [mm], Outer diameter [mm]
Article Number: 2010980
Description: Possible testing e.g. by ISO 3126 or ASTM D2122
Category: physical mechanical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature March 2027 Add to cart
Wash scratch resistance (Amtec-Kistler) DBL 5425 (A.1.17)
Parameters (quantitative): Residual gloss [%], Residual gloss following reflow [%]
Article Number: 2010543
Category: physical mechanical testing material testing plastics (painting)
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2026 Add to cart
Wash scratch resistance (Amtec-Kistler) DBL 5425 (A.1.17)
Article Number: 2010543
May 2027 Add to cart
Water absorption coefficient by partial immersion ISO 15148
Parameters (quantitative): water absorption coefficient Ww [kg/(m2h0,5)]
Article Number: 2010282
Category: chemical-physical testing material testing mineral building materials
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature November 2026 Add to cart
Water absorption coefficient by partial immersion ISO 15148
Article Number: 2010282
November 2027 Add to cart
Water absorption ISO 62
Parameters (quantitative): Water absorbed (24h) [%], Water content at saturation [%]
Article Number: 2010796
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature April 2026 Add to cart
Water absorption ISO 62
Article Number: 2010796
April 2027 Add to cart
Water content (Aquatrac®) CaH2-Method ISO 15512
Parameters (quantitative): Water content [%]
Article Number: 2010865
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature April 2026 Add to cart
Water content (Aquatrac®) CaH2-Method ISO 15512
Article Number: 2010865
April 2027 Add to cart
Water content (Karl-Fischer) ISO 15512
Parameters (quantitative): Water content [%]
Article Number: 2010793
Category: chemical-physical testing material testing plastics (thermoplastics)
Accreditation: This proficiency test is within the scope of the A2LA and the DAkkS accreditation.
Shipping at room temperature April 2026 Add to cart
Water content (Karl-Fischer) ISO 15512
Article Number: 2010793
April 2027 Add to cart
Water Vapor Transmission ASTM E96 (BW)
Parameters (quantitative): water vapor transmission rate WVTR [g/m²·24h], water vapor permeance WVP [ng/Pa·s·m2]
Article Number: 2010237
Category: chemical-physical testing material testing textiles
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2026 Add to cart
Water Vapor Transmission ASTM E96 (BW)
Article Number: 2010237
May 2027 Add to cart
Water vapour transmission rate (IR sensor) ISO 15106-2
Article Number: 2010518
Category: chemical-physical testing material testing films
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature March 2026 Add to cart
Water vapour transmission rate (IR sensor) ISO 15106-2
Article Number: 2010518
March 2027 Add to cart
Water vapour transmission rate ISO 15106-3
Parameters (quantitative): Water vapour transmission rate [g/(m² x d)]
Article Number: 2010847
Category: chemical-physical testing material testing films
Accreditation: This proficiency test is within the scope of the A2LA accreditation.
Shipping at room temperature March 2026 Add to cart
Water vapour transmission rate ISO 15106-3
Article Number: 2010847
March 2027 Add to cart
Water-soluble chloride salts - Volhard method EN 1744-1
Parameters (quantitative): Chloride content [%]
Article Number: 2010581
Category: chemical-physical testing material testing aggregates
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature November 2026 Add to cart
Water-soluble chloride salts - Volhard method EN 1744-1
Article Number: 2010581
November 2027 Add to cart
Wear Characteristics of Flocking PV 3366
Parameters (qualitative): Rating [-]
Article Number: 2010677
Description: This Proficiency Test is part of the certification program at Volkswagen, independently of this, participation is possible for every laboratory.
Category: physical mechanical testing material testing rubber & TPE
Accreditation: This proficiency test is not included in the scope of the accreditation.
Shipping at room temperature May 2026 Add to cart
1 Parameters with this label depend on the number of participants and/or the choice of materials.
Under certain circumstances, this parameter may not be available in the proficiency test.