elmendorf tearing strength tester

Application

• Textile Industry: Assesses fabric tear strength for apparel, home textiles, and industrial materials.
• Packaging Sector: Tests film and paper tear resistance for food, medical, and logistics packaging.
• R&D & Certification: Provides data for material innovation, product validation, and compliance with international standards.

Standard

• ISO Standards: BS EN ISO 13937, ISO 4674-2, ISO 21974, DIN EN ISO 13937-1
• ASTM Standards: ASTM D5734, D689-96a, D1424
• National Standards: GB/T 3917.1, TAPPI T414 om-12
• DIN Standards: DIN EN 21974, DIN EN ISO 1974, DIN EN ISO 6383-2

Product Advantages

1. Precision Elmendorf Method: Measures tear force via calibrated pendulum impact for accurate results.
2. Wide Test Range: 200–30,000 CN (cNewton) suits light to heavy materials.
3. Automated Operation: Digital control simplifies testing; manual clamp ensures sample stability.
4. Sharp Blade Design: Tool steel blade creates clean incisions (20 ±1 mm) for reliable tear propagation.
5. Compact & Durable: 85 kg weight and robust build withstand industrial environments.
6. Multi-Language Display: Intuitive screen shows real-time force data and tear curves.

Product Features

• Dual Pendulum System: Balances impact force for consistent tear measurements.
• Manual Clamping: Adjustable jaws (2.8 ±0.1 mm spacing) secure diverse sample thicknesses.
• Precision Incision: Blade aligns centrally at 43 ±1 mm tear length for standardized testing.
• Safety Design: Pendulum resets manually to prevent accidental movement.
• Data Recording: Screen displays peak force, tear length, and test time.
• Versatile Use: Tests wovens, nonwovens, plastics, and coated materials.

Technical Parameters

Parameter	Specification
Test Mode	Automatic (Digital Control)
Test Range	200 / 400 / 800 / 1,600 / 3,200 / 6,800 / 13,600 / 30,000 CN
Clamping Method	Manual (Adjustable Jaws)
Blade Material	Tool Steel (Sharp, Durable)
Clamp Spacing	2.8 ±0.1 mm
Tear Length	43 ±1 mm
Incision Length	20 ±1 mm
Pendulum Reset	Manual Operation
Display	LED Screen (Force/Time/Curve)
Power Supply	AC 220V ±10%, 50Hz
Dimensions (L×W×H)	80 cm × 50 cm × 80 cm
Net Weight	85 kg

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