CHM 140
Thin wall semi-rigid crosslinked polyolefin
CHM 140 is a semi-rigid heat shrink tubing for use with automatic feed equipment or other industrial, military/aerospace and commercial applications requiring exceptional strain relief.
Features and Benefits
- 2:1 shrink ratio and 2.5:1 shrink ratio
- Exceptional mechanical strength and abrasion resistance
- Semi-rigid
- Flame retardant
- Thicker wall available for additional mechanical protection
- Resistant to acids, alkalis, hydrocarbon solvents and hydraulic fluids
- Continuous operating temperature: -55°C to 135°C
- Shrink temperature: 135°C
Standards
- UL 224 125°C
- CSA C22.2 No. 198.2 (2.5:1 shrink ratio sizes only)
- SAE AMS-DTL-23053/6, (colors)
- AMS 3638 and 3639
- UL/CSA approval applies to Black only
Typical Applications
Physical protection of electronic components, strain relief of terminals
2:1 Shrink Ratio (SAE-AMS-DTL-23053/6)
2.5:1 Shrink Ratio
Market/Applications
- OEM
- Industrial
- Aerospace Defense

Ordering
- Select a dimension which will shrink snugly over the component to be covered. If recovery is restricted the resulting wall thickness will be less than specified.
- Select Options:
- Color: Black (BK)
- Lengths: 48 in (1.2 m) continuous reels or cut pieces
- Please specify the product name, order number and options you require.
- Order Example: CHM 140, 0375, black, unprinted, 500 ft reel
Please contact your Customer Service Representative for information on custom colors, sizes, lengths and material data sheet.
Dimensions for shrink ratio 2:1
| Order Number | Expanded | Recovered | Lengths | |||||
| Internal Diameter (Min) D |
Internal Diameter (Max) d |
Wall Thickness (Nom) W |
||||||
| mm | in | mm | in | mm | in | m | ft | |
| 0046 | 1.2 | 3/64 | 0.60 | 0.023 | 0.51 | 0.020 | 300 | 1,000 |
| 0063 | 1.6 | 1/16 | 0.79 | 0.031 | 0.51 | 0.020 | 300 | 1,000 |
| 0093 | 2.4 | 3/32 | 1.20 | 0.046 | 0.51 | 0.020 | 300 | 1,000 |
| 0125 | 3.2 | 1/8 | 1.59 | 0.062 | 0.51 | 0.020 | 300 | 1,000 |
| 0187 | 4.7 | 3/16 | 2.36 | 0.093 | 0.64 | 0.025 | 300 | 1,000 |
| 0250 | 6.4 | 1/4 | 3.18 | 0.125 | 0.64 | 0.025 | 150 | 500 |
| 0375 | 9.5 | 3/8 | 4.75 | 0.187 | 0.76 | 0.030 | 150 | 500 |
| 0500 | 12.7 | 1/2 | 6.35 | 0.250 | 0.76 | 0.030 | 60 | 200 |
Dimensions for shrink ratio 2.5:1
| Order Number | Expanded | Recovered | Lengths | |||||
| Internal Diameter (Min) D |
Internal Diameter (Max) d |
Wall Thickness (Nom) W |
||||||
| mm | in | mm | in | mm | in | m | ft | |
| 1 | 6.1 | 0.240 | 2.4 | 0.095 | 0.81 | 0.032 | cut pieces | cut pieces |
| 2 | 8.1 | 0.320 | 3.2 | 0.125 | 0.81 | 0.032 | cut pieces | cut pieces |
| 3 | 9.5 | 0.375 | 3.8 | 0.150 | 0.81 | 0.032 | cut pieces | cut pieces |
| 4 | 12.3 | 0.485 | 5.1 | 0.200 | 0.81 | 0.032 | cut pieces | cut pieces |


