Leather Low-Temperature Flexing Tester
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Web: qinsun-lab.com
Email：serving@qinsun-lab。com
Applications
Leather Low-Temperature Flexing Tester is used to evaluate the cold resistance and flexing durability of leather and leather-coated materials, assessing their suitability for low-temperature climates or cold regions. Constructed entirely of stainless steel, this machine can be fitted with various fixtures to accommodate different testing requirements.
Standards
QB/T 2714-2018 Leather - Physical and Mechanical Tests - Determination of Flexing Resistance
GB/T 20991：Personal Protective Equipment — Safety Footwear
JIS K6545 Specification for Testing Flexing Resistance (or Flexing Strength) of Leather
ISO 20344：Personal Protective Equipment — Test Methods for Footwear
ASTM D1790：Standard Test Method for Brittleness Temperature of Plastic Materials by Impact
ASTM D1593：Standard Test Method for Resistance to Impact of Plastic Film by the Falling Dart Method
ASTM D1052：Standard Test Method for Measuring Rubber Deterioration — Cut Growth Using Ross Flexing Apparatus
CNS 7705：Footwear — Test Method for Abrasion Resistance of Outsole Materials
Features
1. Inner and Outer Tank Material: Stainless Steel #304
2. Controller: PLC Control System with Touchscreen Display
3. Protective Devices: Thermal Protection Shutdown, Ground Fault Protection Shutdown, Over-Temperature Protection, Overload Protection, and other functions
Parameters
| Item | Specifications |
|---|---|
| Temperature Range | Room temperature ~ -30°C |
| Inner Chamber with Low-Temperature Flexing Fixture | - Fixture quantity: 12 sets- Sample size: 70mm×45mm- Flexing angle: (22.5±0.5)°- Flexing rate: (100±5) cycles/min- Flexing count range: 0 ~ 999.999 cycles- Distance between upper edge of lower fixture and upper fixture: (25.0±0.5) mm |
| Control Accuracy | ±0.5°C, V4.0 |
| Temperature Uniformity | ±2°C |
| Cooling Rate | Approximately 45 minutes from room temperature to -30°C |
| Refrigerant | R404 (environmentally friendly refrigerant) |
| Compressor Start Delay | 5 minutes |
| Power Consumption | 4KW |
| Insulation Material | Rigid foam and glass wool |
| Counter | Touchscreen display, adjustable from 0 ~ 999.999 |
| Viewing Window | (210×35×270) mm, two-layer vacuum glass |
| Viewing Window Light | P1 lamp, 5W |
| Power Supply | AC220V 50Hz |
| Motor | Beltless, multi-imported gear reduction motor |
| Inner Chamber Dimensions | (60×60×55) cm |
| Overall Dimensions | (110×105×160) cm |
| Weight | Approximately 420 kg |
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