Pre Insulated Tube Performance Data
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TUBE
| Stainless steel | Copper |
| ASTM A269 | ASTM B68 |
| ASTM A213 | ASTM B75 |
| ASTM A249 | ASTM B88 |
Common Tube Materials and Sizes
CM TECH’s standard tubing materials are 304/304L
semi-seamless and 316/316L seamless stainless steel,
type 1220 copper tube. In case of using other materials,
available upon requested.
BTV Heating Cable for Freeze Protection (under 60℃ Max. Process Temperature)
| TEMPERATURE RATING | |
|---|---|
Maximum maintain or continuous exposure temperature(power on) |
65℃ |
Maximum intermittent exposure temperature, 1000 hours (power on or off) |
85℃ |
Minimum installation temperature |
-40℃ |
Insulation Specification
- E-GLASS FIBER Insulation
| Typical Properties | Value |
| Basis Weight | 2340g/㎡ |
| Thickness | 13mm |
| Ash (600℃, 1hr) | 97% |
| Density | 180kg/㎥ |
| Thermal Conductivity (20℃) | 0.034 w/m°K |
| Chloride | 6ppm or Less |
| RoHS (Pb,Cd,Hg,Cr6+) | NONE |
| Component (KS L 2101) | |
| -SiO2 | 52~62% |
| -Al2O3 | 11~16% |
- E-GLASS FIBER Insulation
Typical Properties |
Value |
| Thickness | 5mm, 10mm |
| Density | 180 |
| Thermal Conductivity | 0.014 w/m ˚K |
| Use Temperature | -200~650℃ |
| Hydrophobic | Yes |
PVC Jacket
| Typical Properties | CM Standard Value | ASTM D 1047-11 |
| Tensile Yield strength, min, Mpa | 2800 | 1500 |
| Elongation at rupture, min, % | 300 | 100 |
| after Air Oven Aging Test at 136±1℃ for 7days Tensile Yield strength min, Mpa Elongation at rupture, min, % |
123 53 |
100±1℃ for 5days 85 60 |
| Heat shock, 136±1 ℃ | No crack | No crack but 121±1 ℃ |
| Cold bend, -40±1 ℃ | No crack | No crack but -35±1 ℃ |
| LOI (Limited Qxygen Index) | 30 |
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