---
kind: "section"
citation: "49 C.F.R. § 179.202-6"
title: "49"
number: "179.202-6"
heading: "Thermal protection system."
url: "https://uscodex.org/cfr/49/179.202-6"
---

# §179.202-6. Thermal protection system.


The DOT Specification 117 tank car must have a thermal protection system. The thermal protection system must:

- (a) Conform to [§ 179.18](/cfr/49/179.18.md) of this part;
- (b) Be equipped with a thermal protection blanket with at least 1/2-inch-thick material that meets [§ 179.18(c)](/cfr/49/179.18.md?p=c) of this part; and
- (c) Include a reclosing pressure relief device in accordance with [§ 173.31](/cfr/49/173.31.md) of this subchapter.

## Notes

### Amendments

[81 FR 53957, Aug. 15, 2016]

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

### Source

Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

### Amendments

[81 FR 53957, Aug. 15, 2016]