Information on the most widely used ASTM standards within the materials testing industry
Model: UT2089B, ISO 1974, ISO 6383-2, ASTM D1922
Elmendorf Tearing Tester is designed for the tearing test of films, sheets, flexible PVC, PVDC, waterproof films, woven materials, polypropylene, polyester, paper, cardboard, textiles and nonwovens.
What is Elmendorf Tear testing?
Elmendorf Tear testing determines the force required to continue the tearing of an initial cut in sheet materials such as paper, plastic film, textile and non-woven.
General Introduction
Elmendorf Tearing Tester is designed for the tearing test of films, sheets, flexible PVC, PVDC, waterproof films, woven materials, polypropylene, polyester, paper, cardboard, textiles and nonwovens.
What is Elmendorf Tear testing?
Elmendorf Tear testing determines the force required to continue the tearing of an initial cut in sheet materials such as paper, plastic film, textile and non-woven.
![]() |
| Specimen installation |
Key Features
1, Full touch screen control, automated and electronic measurement, easy to operate quickly
2, Pneumatic clamping of the sample, automatic cutting of the sample, automatic release of the pendulum, and automatic reset of the pendulum after testing greatly improve efficiency and effectively avoid system errors caused by human factors
3, The computer level adjustment auxiliary system can ensure that the instrument is always in the best testing state
4, Can be equipped with multiple sets of swing body capacities to meet different testing needs
5, Professional software supports data output from multiple testing units
6, Standard RS232 interface, convenient for external system access and data transmission.
Lift the pendulum up to a certain height to give it an initial potential energy. The pendulum tears the specimen while swinging down. Computer calculates the decreased energy caused by tearing to obtain the required force for tearing.
ASTM D295, ASTM D689, ASTM D751, ASTM D752, ASTM D4247, ASTM D1424, ASTM D1922, ASTM D5734
TAPPI T414, TAPPI T496
BS 2782, BS 4253, BS 4468
CPPA D.9
DIN 53862, DIN 53128
ISO 1974, ISO 6383-2, ISO 9290, ISO 13937-1
EN 21974
SCAN P11
Main Technical Specification
| Measuring range | 0~6400g (800g, 1600g, 3200g, 6400g) |
| Tearing force arm | 104±1mm |
| Tear initial angle | 0° |
| Tearing distance | 43±0.25mm |
| Cut length | 20mm |
| Longitudinal displacement of incision | 8mm |
| Paper clip size | 25*15mm |
| Maximum clamping area | 6.48cm2 |
| Clamping torque ratio | 2.2:0.7 |
| Free swinging quantity | min≥20, mid≥25, stand≥35. |
| specimen size | (63±0.5 )mm x( 50±2)mm |
| Blade force arm ratio | 14:5.5 |
| Tear offset | Less than 10mm of the blade extension line |
| Distance between paper grippers | 2.8±0.2mm |
| Clamping method | Dual cylinder pneumatic clamping, automatic paper cutting, automatic release of pendulum during testing, automatic pendulum reset after testing, automatic data capture, etc |
| air pressure | 0.4~0.6mpa |
| HMI | 7-inch touch screen display operation, modular integrated thermal sensing function |
| Size | 460mmx400mmx560mm |
| Weight | About 40kg |
Main accessories
| Item | Quantity |
| Tester Frame | 1 set |
| Basic pendulum testing weights | 1 set |
| calibration weights | 1 set |
| Power cord | 1 pc |
| Documents (Manual, packing list, certificate) | |
Standard
ISO 6383-2 Plastics — Film and sheeting — Determination of tear resistance — Part 2: Elmendorf method
ISO 6383-2 specifies the Elmendorf pendulum method to measure the force required to propagate an existing pre-cut slit across thin flexible plastic film and sheeting under standardized loading conditions.
ASTM D1424 Standard Test Method for Tear Strength of Fabrics by Falling-Pendulum (Elmendorf) Apparatus
ASTM D1424 specifies the procedure for determining the force required to propagate a single tear through a fabric using the Elmendorf (falling-pendulum) tester. The test method is a single-tear (tongue) test. A rectangular specimen is slit partway along its length to create two tongues. The tear propagates from the slit across the width of the specimen.
ASTM D1922: Standard Test Method for Propagation Tear Resistance of Plastic Film and Thin Sheeting by Pendulum Method.
ASTM D1922 defines a laboratory method to measure the average force required to propagate (continue) a tear through a plastic film or non-rigid thin sheeting, after the tear has already been started. The test uses an Elmendorf-type pendulum tearing tester. It is applicable to plastic film (arbitrarily defined as sheeting ≤ 0.25 mm / 0.010 in.) and thin non-rigid sheeting, and is equivalent to ISO 6383-2.
Require More Customized Solutions?