NWSP

Nonwovens Standard Procedures (NWSP) are standardized test methods jointly developed and published by European Disposables and Nonwovens Association (EDANA) and Association of the Nonwoven Fabrics Industry (INDA) to evaluate the performance and structure of nonwoven materials.

NWSP standards are continuously reviewed, and new amendments are published online to ensure harmonization of industry language and testing procedures across global markets. This harmonization supports consistent production, product descriptions, and testing practices worldwide.

What Are NWSP Standards?

NWSP standards have classifications that indicate the method and purpose of the test. Each NWSP standard is identified by a unique code. The digits indicate the test method, while the number following the “R” denotes the revision number since the standard’s introduction in 2005.

NWSP Material Testing Standards

  • NWSP 020.4.R0: Specifies the rotating platform, double-head method for testing the abrasion resistance of nonwoven fabrics.
  • NWSP 030.1.R0: Describes the use of a motor-driven diaphragm burst tester to determine the hydraulic bursting strength of nonwoven materials.
  • NWSP 090.2.R0: Outlines the Gurley stiffness method for measuring the rigidity of nonwoven fabrics.
  • NWSP 090.3.R0: Details the Handle-O-Meter method, which evaluates the surface friction and flexibility, or handle, of nonwoven materials.
  • NWSP 100.1.R0: Specifies the Elmendorf Tear Test or falling pendulum method for determining the tear resistance of sheet materials.
  • NWSP 100.2.R1: Describes the Trapezoid Procedure for measuring the tearing strength of nonwoven materials.
  • NWSP 100.3.R0: Covers the Single Rip Procedure for testing the tearing strength of nonwovens. 
  • NWSP 110.1.R0: Outlines the grab strength test for measuring the breaking strength and elongation of nonwoven materials.
  • NWSP 110.3.R0: Specifies the Scott Bond method for testing the internal bond strength of paper.
  • NWSP 110.4.R0: Describes the strip method for measuring the elongation and breaking force of nonwoven materials.
  • NWSP 110.5.R0: Details the Ball Burst Procedure for verifying the resistance of nonwoven fabrics to mechanical pressure.
  • NWSP 120.1.R0: Specifies the use of a precision deadweight micrometer for measuring the thickness of nonwoven materials.
  • NWSP 120.6.R0: Outlines the use of micrometry and a micrometer to measure the thickness of nonwovens.

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Thwing-Albert NWSP Material Testing Equipment

Thwing-Albert Instrument Company’s equipment can be configured to meet the accurate testing standards of nonwovens and provide real-time data analysis. 

  • VantageNX Tensile Tester: This universal testing machine offers quick hand control and can be equipped to meet many testing needs. Grip options can be selected to meet NWSP 100.2.R1, 100.3.R0, 110.1.R0, 110.4.R0, 110.5.R0 as well as various ASTM, DIN, TAPPI and WSP test methods. 
  • Taber Abraser 1750 – Double Head: Suitable for NWSP 020.4.R0, it produces precise wear testing results in a few minutes. With single or dual-platform options available, it also meets ASTM D3884, ISO 17076-1 and ISO 5470 standards. 
  • Gurley 4171 Bending/Stiffness Tester: Complying with NWSP 090.2.R0, ASTM D6125-97 and TAPPI T543 standards, this piece of equipment can evaluate a selection of sizes, weights and thicknesses.
  • Handle-O-Meter: Meet NWSP 090.3.R0. Featuring a touchscreen display and MAP4 Software, this machine also complies with TAPPI T498, ASTM D2923 and D6828-02.
  • Electronic Elmendorf ProTear: Equipped with a configurable touch display for results and reporting, it is applicable to NWSP 100.1.R0, EN 21974, SCAN P11 and many ASTM, TAPPI, BS, DIN and ISO standards.
  • Internal Bond Tester (RL-IBT-A): This machine meets NWSP 110.3.R0, TAPPI T569, and TAPPI T833. It also features a quick sample-changing mechanism and other features.
  • ProGage Touch Thickness Tester: Designed for NWSP 120.1.R0 and 120.6.R0 and configurable to meet most thickness standards, this equipment has excellent features such as multiple test modes, a rigid frame and MAP4 compatibility.

Contact Thwing-Albert for Your NWSP Material Testing Needs

Meet NWSP standards with Thwing-Albert Instrument Company. Call us today or contact us online to request your quote.

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