Products Description
| Silicone 75 | Property | Unit | Test Method | Test Parameter | Value |
| Hardness | Shore A | ASTM D 2240 | 75±5 | ||
| Specific gravity | g/cm3 | ASTM D 1817 | 1.21 | ||
| Tensile strength | kgf/cm2 | ASTM D 412 | 111 | ||
| Ultimate elongation | % | ASTM D 412 | 409 | ||
| Compression set | % | ASTM D 395 B | 24h / 175°C | 46 | |
| Tear resistance | kgf/cm | ASTM D 624 B | 18 |

Introduction
Stethoscopes can provide medical workers with high-quality auscultation effects, and the seals for stethoscopes as part of the stethoscope have the characteristics of high and low-temperature resistance, electrical insulation, aging resistance, anti-corrosion, shock absorption, and simulation. Its application advantages can provide medical workers with a lot of convenience, and at the same time, it is constantly promoting the progress of medicine.
Advantages Of Seals For Stethoscopes
1. The seals for stethoscopes can enhance the loudness of the heard heart sounds, and keep the original sound quality without distortion for breath sounds, heart sounds, and heart murmurs.
2. The contact surface between the seal and the skin is small, and the positioning of noise and rales is accurate.
3. The sensitivity of the seals for stethoscopes is high, and the ability to overcome obstacles is enhanced. The subject can hear heart sounds and breath sounds when wearing autumn clothes, which is convenient for the auscultation of the elderly and children in cold weather, and can also be used for the auscultation of surgical patients with bandages on the chest and abdomen.
To sum up, the seals for stethoscopes have the characteristics of high and low-temperature resistance, electrical insulation, aging resistance, anti-corrosion, shock absorption, simulation, etc., and are fully applicable to the strict requirements of medical treatment.
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