Click below for details and registration for each ÐãÉ«Ö±²¥Proficiency Testing Program
Standards
Fees
2026: $300 per round
Additional fee for shipping to all addresses outside the US
Must be prepaid. For a Proforma Invoice, contact ordering@aatcc.org.
See Important Dates tab for registration and payment deadlines.
Data entry will be done online for all PTP rounds. Details will be provided at shipment, via email to your provided PTP contact.
Standards
Fees
2026: $325 per round
Additional fee for shipping to all addresses outside the US
Must be prepaid. For a Proforma Invoice, contact ordering@aatcc.org.
See Important Dates tab for registration and payment deadlines.
Data entry will be done online for all PTP rounds. Details will be provided at shipment, via email to your provided PTP contact.
Standards
Fees
2026: $425 per round
Additional fee for shipping to all addresses outside the US
Must be prepaid. For a Proforma Invoice, contact ordering@aatcc.org.
See Important Dates tab for registration and payment deadlines.
Data entry will be done online for all PTP rounds. Details will be provided at shipment, via email to your provided PTP contact.
Standards
Fees
2026: $425 per round
Additional fee for shipping to all addresses outside the US
Must be prepaid. For a Proforma Invoice, contact ordering@aatcc.org.
See Important Dates tab for registration and payment deadlines.
Data entry will be done online for all PTP rounds. Details will be provided at shipment, via email to your provided PTP contact.
Standards
Fees
2026: $425 per round
Additional fee for shipping to all addresses outside the US
Must be prepaid. For a Proforma Invoice, contact ordering@aatcc.org.
See Important Dates tab for registration and payment deadlines.
Data entry will be done online for all PTP rounds. Details will be provided at shipment, via email to your provided PTP contact.
Standards
Fees
2026: $425 per round
Additional fee for shipping to all addresses outside the US
Must be prepaid. For a Proforma Invoice, contact ordering@aatcc.org.
See Important Dates tab for registration and payment deadlines.
Data entry will be done online for all PTP rounds. Details will be provided at shipment, via email to your provided PTP contact.
Standards
Fees
2026: $440 per round
Additional fee for shipping to all addresses outside the US
Must be prepaid. For a Proforma Invoice, contact ordering@aatcc.org.
See Important Dates tab for registration and payment deadlines.
Data entry will be done online for all PTP rounds. Details will be provided at shipment, via email to your provided PTP contact.
As of 2024, each program is offered ONCE per year. Registration deadlines are firm.
| Program | Registration & Payment Deadline | Shipment | Results Due |
|---|---|---|---|
| PTP2 Fiber Analysis | January 15 | February | April 1 |
| PTP3 Appearance & Physical Properties | February 15 | March | May 1 |
| PTP4 Antibacterial Properties | March 15 | April | June 1 |
| PTP6 Colorfastness | May 15 | June | August 1 |
| PTP7 Moisture Management | June 15 | July | September 1 |
| PTP5 Resistance & Repellency | July 15 | August | October 1 |
| PTP1 Color Evaluation | August 15 | September | November 1 |
NOTES:
Full payment must be received by stated deadline. Allow additional time for processing pro forma requests and wire transfers.
See Support tab to download blank data sheet.
The Summary Report will be issued approximately two months after the Results Due date for each round.
DOWNLOAD REGISTRATION FORM (2026) CONTACT AATCC FAQ
Contact ÐãÉ«Ö±²¥for:
- Missing samples or sample information (face/back, etc.)
&/ptp/8211; contact ÐãÉ«Ö±²¥within 2 weeks of ship date to ensure timely replacement - Missing or incorrect Summary Report data
&/ptp/8211; contact ÐãÉ«Ö±²¥within 3 weeks of report date
&/ptp/8211; compilation errors only
&/ptp/8211; lab data sheets can NOT be updated after submission
&/ptp/8211; late submissions can NOT be added to the Summary Report
Data Entry
As of September 2025, data entry will be done online for all PTP rounds. This information will be provided via email to your provided PTP contact.
Use the referenced version of each test method or evaluation procedure. To order current copies, visit .
Complete all fields as instructed.
Review data before submitting. Results cannot be modified after submission.
For questions, please reach out to ptp@aatcc.org.
Click here to access the User Guide to get started with our new data entry.
ASTM Proficiency Testing Programs
Woven Fabrics
D737 Air Permeability of Textiles Fabrics
D1424 Tearing Strength of Fabrics by Falling-Pendulum Type (Elmendorf) Apparatus
D2261 Tearing Strength of Fabrics by the Tongue (Single Rip) Procedure
D3775 Fabric Count of Woven Fabric
D3776 Mass Per Unit Area (Weight) of Fabric
D5034 Breaking Strength and Elongation of Textile Fabrics (Grab Test)
D5035 Breaking Strength and Elongation of Textile Fabrics (Strip Method)
D5587 Tearing Strength of Textiles Fabrics (Trapezoid Procedure)
Samples Shipped: February & August
Yarn and Thread
D1422, Twist in Single Spun Yarns
D1423 (Test A), Twist in Single Spun or Filament Yarn
D1907, Linear Density
D2256, Stretch & Elongation Properties
Samples Shipped: June & December
Knit Fabric
D2594 Stretch Properties of Knitted Fabrics Having Low Power
D3774 Width of Textile Fabric
D3776 Mass Per Unit Area (Weight) of Fabric
D3786 Bursting Strength of Textiles Fabrics – Diaphragm Bursting Strength Tester Method
D8007 Standard Test Method for Wale and Course Count of Weft Knitted Fabrics
Samples Shipped: June & December