Falling-Pendulum Type Tearing Tester GT-C10B

Elmendorf Tear Tester Falling-Pendulum Type

Application:

This Elmendorf Tearing Tester can be used to test the Determination of tear resistance of textile, non-woven fabrics, paper, paperboard, thin film, ventilation tape, sheet metal etc.

Standards:

Test for Textile: GB/T 3917.1, ASTM D 1424, DIN 53862, EN ISO 13937-1, ISO 4674-2, ISO 9290, M&S P29, NEXT 17, NF G07-149

Test for Paper: GB/T 455, APPITA P 400, ASTM D 689, BS 4468, CSA D9, DIN 53128, EN 21974, ISO 1974, JIS P 8116, PAPTAC D9, SCAN P11, SNV 198482, TAPPI T414, UNI 6444

Test for Plastic: GB/T 11999, ISO 6383-2, JIS K 7128-2, NF T54 141

Test for Non-woven fabrics: ASTM D 5734, NWSP 100.1

1. Microprocessor can automatically detect and analyze data. It features precision test, reliable performance and simple operation.
2. The tearing tester all can meet the related requirements of GB/T3917.1-2009 .
3. Apply to the determination of tear strength of various woven fabrics and other materials, such as paper, plastic sheets, film, electrical tape, sheet metal and so on.

Accessories

Q1: What is the core testing principle behind the GT-C10B Elmendorf Tearing Tester?

A: The GT-C10B measures the energy consumed when a pre-cut specimen is torn through a specified distance (43 mm) by the potential energy released from a raised pendulum. The microprocessor records the residual potential energy after tear completion to determine the average tearing force in Newtons (N) or grams-force (gf).

Q2: How do you choose the right pendulum capacity for testing?

A: The GT-C10B uses modular pendulums. For light materials (e.g., thin paper or delicate non-wovens), use Pendulum A (0-16N). For heavier woven fabrics or plastic films, stack Pendulum B (32N) or Pendulum C (64N) to ensure test results fall within the 20%-80% optimal full-scale range required by ASTM/ISO standards.

Q3: What is the difference between an Elmendorf Tearing Tester and a Universal Tensile Tester?

A: An Elmendorf Tearing Tester measures dynamic high-speed ballistic tear propagation energy using a swinging pendulum. A Universal Tensile Testing machine (UTM) measures static or low-speed tensile pull and slow tear growth. Elmendorf testing is specifically required for evaluating fabric snag-tear resistance and paper tearing strength.

Q4: Why is Elmendorf tear strength testing crucial for textiles and packaging?

A: Tear strength indicates a material's resistance to catastrophic tearing during wear, washing, handling, or converting operations. In textiles, it predicts garment durability; in packaging and industrial films, it ensures puncture and snags resistance during shipping and storage.