MT175 耐高温175℃半硬医疗级KYNAR热收缩套管
应用
由辐照交联半硬医疗级含氟聚合物制成，具有优异的耐化学腐蚀和耐溶剂性能，耐温175℃，柔韧性、耐磨性优异，特别适用于医疗器械需要耐高温、耐摩擦的场合，对医疗器械电子元器件进行绝缘保护、机械保护、化学保护及应力解除等。
特性
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收缩比：2:1
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优异的阻燃性
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耐高温175℃
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材质，不含重金属
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与蒸汽（极限环）、伽马、ETO、干热消毒兼容
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优异的物理性能和耐化学腐蚀性能
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符合ROHS、REACH环保规范
颜色
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标准颜色：透明、黑色
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其他颜色可定制
操作温度范围
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连续使用温度范围：-55℃～175℃
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起始收缩温度：155℃
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完全收缩温度：175℃
符合标准
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ISO10993
性能指标
| 性能 | 指标要求 | 测试方法 | 典型值 |
| 纵向收缩率 | ≤10％ | ASTM D 2671 | ≤5％ |
| 抗张强度 | 34.5MPa min | ASTM D 638 | ≥40MPa |
| 断裂伸长率 | 150％ min | ASTM D 638 | ≥300％ |
| 老化后断裂伸长率 (热老化250℃,168小时) | 50％ min | ASTM D 638 | ≥200％ |
| 热冲击(300℃,4小时)
| 无裂纹 | ASTM D 2671 | 无裂纹 |
| 低温柔软性 （-55℃，4小时） | 无裂纹 | ASTM D 2671 | 无裂纹 |
| 绝缘耐压和击穿 | 2500V,60sec,不击穿 | ASTM D 2671 | 不击穿 |
| 体积电阻率 | 1013Ω•cm min | ASTM D 876 | ≥1013Ω•cm |
| 腐蚀性 | 无腐蚀 | ASTM D 2671 | 无腐蚀 |
| 阻燃性 | VW-1 | UL 224 | 通过 |
| 生物相容性 |
| ISO10993 | 通过 |
规格尺寸
| 规格 | 收缩前（mm） | 收缩后（mm） | 标准包装 （m/条或m/卷） | ||
| 英制 | 公制 | 内径（min） | 内径（max） | 壁厚 | |
| 3/64 | Ф1.2 | 1.2 | 0.6 | 0.25+0.05 | 1.22/200 |
| 1/16 | Ф1.6 | 1.6 | 0.8 | 0.25+0.05 | 1.22/200 |
| 3/32 | Ф2.4 | 2.4 | 1.2 | 0.25+0.05 | 1.22/200 |
| 1/8 | Ф3.2 | 3.2 | 1.6 | 0.25+0.05 | 1.22/200 |
| 3/16 | Ф4.8 | 4.8 | 2.4 | 0.25+0.05 | 1.22/200 |
| 1/4 | Ф6.4 | 6.4 | 3.2 | 0.30+0.08 | 1.22/100 |
| 3/8 | Ф9.5 | 9.5 | 4.8 | 0.30+0.08 | 1.22/100 |
| 1/2 | Ф12.7 | 12.7 | 6.4 | 0.30+0.08 | 1.22/100 |
| 3/4 | Ф19.1 | 19.1 | 9.5 | 0.43+0.08 | 1.22/50 |
| 1 | Ф25.4 | 25.4 | 12.7 | 0.48+0.08 | 1.22/50 |
| 11/2 | Ф38.1 | 38.1 | 19.1 | 0.51+0.08 | 1.22 |
| 2 | Ф50.8 | 50.8 | 25.4 | 0.58+0.08 | 1.22 |
其他规格尺寸可定制
MT175 175℃ Temperature Resistant Semi-rigid Medical-grade KYNAR Tubing
Application
MT175 is made of special irradiation cross-linked medical-grade fluoropolymer with outstanding chemical and solvent resistance and high-temperature performance. It is especially suitable for medical applications requiring high-temperature performance and fluid resistance. Well-suited for electrical insulation and strain relief ofponents that are exposed to high temperatures either during operation or during sterilization.
Characteristics
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Shrink ratio: 2:1
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Excellent flammability
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High temperature resistant to 175℃
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material, no heavy metals.
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Excellent physical and chemical properties
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ROHS and REACHpliant
Color
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Standard color: Clear, black
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Other colors are available upon request.
Operating Temperature Range
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Operating temperature: -55℃～175℃
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Minimum shrink temperature: 155℃
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Minimum fully recovery temperature: 175℃
Approvals
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ISO10993
Property
| Property | Requirement | Test method | Typical data |
| Longitudinal shrinkage | ≤10％ | ASTM D 2671 | ≤5％ |
| Tensile strength | 34.5MPa min | ASTM D 638 | ≥40MPa |
| Elongation at break | 150％ min | ASTM D 638 | ≥300％ |
| Elongation after aging （250℃,168hrs） | 50％ min | ASTM D 638 | ≥200％ |
| Heat shock (300℃,4hrs)
(175℃,4hrs)
| No crack | ASTM D 2671 | No crack |
| Low-temperature flexibility（-55℃,4hrs） | No crack | ASTM D 2671 | No crack |
| Dielectric voltage withstand | 2500V,60sec,no breakdown | ASTM D 2671 | No breakdown |
| Volume resistivity | 1013Ω•cm min | ASTM D 876 | ≥1013Ω•cm |
| Corrosion | No corrosion | ASTM D 2671 | No corrosion |
| Flammability | VW-1 | UL 224 | Pass |
| 生物相容性 |
| ISO10993 | Pass |
Sizes
| size | As supplied（mm） | After recovered（mm） | Standard packing （m/pc, m/roll） | ||
|
inch |
mm | Inside diameter（min） | Inside diameter（max） | Wall thickness | |
| 3/64 | Ф1.2 | 1.2 | 0.6 | 0.25+0.05 | 1.22/200 |
| 1/16 | Ф1.6 | 1.6 | 0.8 | 0.25+0.05 | 1.22/200 |
| 3/32 | Ф2.4 | 2.4 | 1.2 | 0.25+0.05 | 1.22/200 |
| 1/8 | Ф3.2 | 3.2 | 1.6 | 0.25+0.05 | 1.22/200 |
| 3/16 | Ф4.8 | 4.8 | 2.4 | 0.25+0.05 | 1.22/200 |
| 1/4 | Ф6.4 | 6.4 | 3.2 | 0.30+0.08 | 1.22/100 |
| 3/8 | Ф9.5 | 9.5 | 4.8 | 0.30+0.08 | 1.22/100 |
| 1/2 | Ф12.7 | 12.7 | 6.4 | 0.30+0.08 | 1.22/100 |
| 3/4 | Ф19.1 | 19.1 | 9.5 | 0.43+0.08 | 1.22/50 |
| 1 | Ф25.4 | 25.4 | 12.7 | 0.48+0.08 | 1.22/50 |
| 11/2 | Ф38.1 | 38.1 | 19.1 | 0.51+0.08 | 1.22 |
| 2 | Ф50.8 | 50.8 | 25.4 | 0.58+0.08 | 1.22 |
Other sizes are available upon request.