~M-300  阻燃中壁护套管
产品简介
具有优异的阻燃、密封、绝缘、防潮、抗冲击及耐磨性能。广泛用于有阻燃要求的电缆终端或中间连接处的密封与绝缘防护以及其他需要机械防护、防腐、密封且有阻燃要求胡工作环境。
性能特点
阻燃、带胶、优异的机械保护性能、密封、防潮、防水
关键指标
收缩比率：3:1
收缩温度：120℃
使用温度：-55℃～+110℃
标准颜色：黑色
性能指标
测试项目 测试方法 性能指标
外层性能 ASTM D 2671 ≥14MPa
拉伸强度 ASTM D 2671 ≥12MPa
老化后拉伸强度
（150℃,168hrs） ASTM D 2671 0~-10%
纵向收缩率 ASTM D 2671 ≥400%
断裂伸长率 ASTM D 2671 ≥300%
老化后断裂伸长率(150℃,168hrs) IEC 243 ≥18KV/mm
击穿强度 ASTM D 792 1.05g/cm3
密度 IEC 93 ≥1013Ω•cm
体积电阻率 － 60秒内自熄
阻燃性  
热熔胶性能  
吸水率 ISO 62 ≤0.2%
软化点 ASTM E 28 85+5℃
剥离强度(PE) DIN 30672 4N/cm
抗茵性 ISO 746 通过
产品规格

尺寸(mm) 供应尺寸(mm) 
回缩后尺寸(mm) 
管型 
标准长度（mm）
 内径（最小值） 内径（最大值） 壁厚（最小值）  
M-300 22/6 22 6 2.5 0 1000-1500
M-300 33/8 33 8 2.5 0 1000-1500
M-300 40/12 40 12 2.5 0 1000-1500
M-300 55/16 55 16 2.7 0 1000-1500
M-300 65/19 65 19 2.8 0 1000-1500
M-300 75/22 75 22 3.0 0 1000-1500
M-300 95/25 95 25 3.0 0 1000-1500
M-300 115/34 115 34 3.0 0 1000-1500
M-300 140/42 140 42 3.0 0 1000-1500
M-300 160/50 160 50 3.0 0 1000-1500
其他规格尺寸可定制。

M-300 Flame Retardant Wall Protecting Sleeve
Product Brief
    As excellent flame retardant, sealing, insulation, moisture-proof, shock resistance and wear resistance. A widely used flame retardant requirement cable terminal or the middle connecting sealing and insulation protection at and other required mechanical protection, corrosion, sealing and flame retardant requirements work environment.
Performance characteristics
Flame retardant, adhesive, excellent mechanical performance, protection, moisture-proof, waterproof sealing.
Key indicators
Contraction ratio:  3:1
The shrinkage temperature:  120℃
The use of temperature:  -55℃～+110℃
Standard color:  Black
Performance index
The test project Test method Performance index
The outer performance ASTM D 2671 ≥14MPa
Tensile strength ASTM D 2671 ≥12MPa
The tensile strength after aging（150℃,168hrs） ASTM D 2671 0~－10%
The longitudinal shrinkage rate ASTM D 2671 ≥400%
The elongation at break ASTM D 2671 ≥300%
Elongation after aging
(150℃,168hrs) IEC 243 ≥18KV/mm
The breakdown strength ASTM D 792 1.05g/cm3
Density IEC 93 ≥1013Ω•cm
The volume resistivity － 60 seconds self extinguishing
Flame retardant  
The properties of the hot melt adhesive  
The rate of water absorption ISO 62 ≤0.2%
Softening point ASTM E 28 85+5℃
Peel strength (PE) DIN 30672 4N/cm
Anti bacterial ISO 746 Pass
Product specifications

  Size(mm) Size
(mm) After retraction of size
(mm) 
Tube type 
Standard length（mm）
 Diameter
(minimum) Diameter
(maximum) Wall thickness
(minimum)  
M-300 22/6 22 6 2.5 0 1000-1500
M-300 33/8 33 8 2.5 0 1000-1500
M-300 40/12 40 12 2.5 0 1000-1500
M-300 55/16 55 16 2.7 0 1000-1500
M-300 65/19 65 19 2.8 0 1000-1500
M-300 75/22 75 22 3.0 0 1000-1500
M-300 95/25 95 25 3.0 0 1000-1500
M-300 115/34 115 34 3.0 0 1000-1500
M-300 140/42 140 42 3.0 0 1000-1500
M-300 160/50 160 50 3.0 0 1000-1500
Other sizes are available upon request.