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Proficiency Testing Programs

Compare results with hundreds of other labs. ÐãÉ«Ö±²¥Proficiency Testing Programs (PTP) support lab certification and continuous improvement initiatives. Samples are selected to provide consistent results in a meaningful range for each test method or evaluation procedure.

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ProgramsImportant DatesSupportASTM Programs

Click below for details and registration for each ÐãÉ«Ö±²¥Proficiency Testing Program


PTP1 Color Evaluation

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Standards



Fees
2025: $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.

See Support tab to download blank data sheet.

PTP2 Fiber Analysis

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Standards

Fees
2025: $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.

See Support tab to download blank data sheet.

PTP3 Appearance & Physical Properties

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Standards





Fees
2025: $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.

See Support tab to download blank data sheet.

PTP4 Antibacterial Properties

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Standards

Fees
2025: $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.

See Support tab to download blank data sheet.

PTP5 Resistance & Repellency

ÌýDOWNLOAD REGISTRATION FORM

Standards




Fees
2025: $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.

See Support tab to download blank data sheet.

PTP6 Colorfastness

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Standards






Fees
2025: $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.

See Support tab to download blank data sheet.

PTP7 Moisture Management

ÌýDOWNLOAD REGISTRATION FORM

Standards








Fees
2025: $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.

See Support tab to download blank data sheet.

As of 2024, each program is offered ONCE per year. Registration deadlines are firm.

ProgramRegistration & Payment DeadlineShipmentResults Due
PTP2 Fiber AnalysisJanuary 15FebruaryApril 1
PTP3 Appearance & Physical PropertiesFebruary 15MarchMay 1
PTP4 Antibacterial PropertiesMarch 15AprilJune 1
PTP6 ColorfastnessMay 15JuneAugust 1
PTP7 Moisture ManagementJune 15JulySeptember 1
PTP5 Resistance & RepellencyJuly 15AugustOctober 1
PTP1 Color EvaluationAugust 15SeptemberNovember 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 (2025) 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 Sheets

Click below to download data sheets for ÐãÉ«Ö±²¥Proficiency Testing.

PTP1 Color Evaluation

PTP2 Fiber Analysis
PTP3 Appearance and Physical Properties
PTP4 Antibacterial Properties
PTP5 Resistance & Repellency
PTP6 Colorfastness
PTP7 Moisture Management

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.

Submit completed data sheets to ptp@aatcc.org.

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

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