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Shoes Thermal Insulation Tester

The Shoe Sole Heat Resistance Tester is designed to evaluate the thermal insulation and heat resistance performance of finished footwear soles. By simulating exposure to high-temperature surfaces using sand or steel balls as a heat medium, the tester provides objective measurements of temperature rise at the insole, ensuring the footwear meets safety requirements for hot environments.

Standards

(1)EN ISO 20344 — Personal Protective Equipment — Footwear — Test Methods

(2)EN ISO 8782-1 — Footwear — Evaluation of Heat Resistance

(3)GB/T 20991-2007 — Footwear Test Methods

(4)ANSI — American National Standards for Footwear Safety

(5)JIS — Japanese Industrial Standards for Footwear

(6)CSA — Canadian Standards Association Footwear Standards

(7)GB 12017-1989 — Safety Footwear Heat Resistance Test

(8)LD50-1994 — Footwear Heat Resistance Evaluation

Technical Parameters

ItemSpecification
Sand Bath Box Size 40 ± 2 cm × 40 ± 2 cm, height 8 cm
Sand Height ≥5 cm
Sand Particle Size 0.3 – 1.0 mm
Sand Volume 5000 ± 250 cm³
Test Temperature 150 ± 5℃ or 250 ± 5℃
Heating Power ≥2500 ± 250 W
Heat Transfer Medium 5 mm steel balls, total mass 4 kg
Temperature Measurement Copper/copper-nickel thermocouple with copper disc, 2 ± 0.1 mm thick, 15 ± 1 mm diameter
Test Duration 30 minutes
Accuracy ±0.5℃
Power Supply AC 220V

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