MIL-PRF-2818D
4.5.10 Maximum exothermic temperature rise. Maximum exothermic temperature rise shall be tested in
accordance with ASTM C 411 and the hot surface performance section of ASTM C 447 at the insulation's
maximum use temperature and at the manufacturer's maximum recommended thickness for that temperature. The
test surface shall be at the intended surface temperature when the test begins.
4.5.11 Toxicity. The insulation blanket material shall be evaluated by the Navy Environmental Health
Center (NAVENVIRHLTHCEN) using the administrative Health Hazard Assessment (HHA). A flowchart for this
process can be found as enclosure (1) of BUMEDINST 6270.8. The HHA is a review of the insulation blanket
material based on information submitted by the manufacturer, to assess health hazards associated with the handling,
application, use and removal of the product. Sufficient data to permit a HHA of the product shall be provided by
the manufacturer/distributor to the NAVENVIRHLTHCEN. To obtain current technical information requirements
specified by the NAVENVIRHLTHCEN, see 6.6.
4.5.12 Off-gassing. The insulation blanket shall be tested in accordance with the Nuclear Powered
Submarine Atmosphere Control Manual, NAVSEA Technical Manual S9510-AB-ATM-010 Rev 2, by a
Government approved testing facility. The results shall be submitted to the Government for evaluation and approval
for use (see 3.10 and 6.7).
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract
or order (see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel,
these personnel need to contact the responsible packaging activity to ascertain packaging requirements. Packaging
requirements are maintained by the Inventory Control Point's packaging activities within the Military Service or
Defense Agency, or within the military service's system commands. Packaging data retrieval is available from the
managing Military Department's or Defense Agency's automated packaging files, CD-ROM products, or by
contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not
mandatory.)
6.1 Intended use. The insulation blanket covered by this specification is intended for use for insulation
of hot surfaces of machinery, boilers and equipment at temperatures up to 1200°F.
6.2 Acquisition requirements. Acquisition documents should specify the following:
a.
Title, number, and date of this specification.
b.
When a first article sample is required (see 3.1).
c.
When material should be secured between metallic supporting members (see 3.2 and 3.5).
d.
Length, width, and thickness required (see 3.4).
e.
Whether metal-mesh on both sides, metal-mesh on one side and expanded metal lath on the other side
or whether no supporting members are required (see 3.5).
f. Inspection conditions, if other than as specified (see 4.1.1 and 4.3).
g. First article inspection, if other than as specified (see 4.2).
h. Lot size, if other than as specified (see 4.3.1 and 4.4).
i. Whether thermal conductivity, resistance to vibration, fire resistance and maximum exothermic
temperature rise tests should be performed (see Tables II and III as applicable).
j. When conformance examination and testing are required (see 4.4 and 4.5).
k. Packaging requirements (see 5.1).
l. Is Material safety data sheet required? (see 6.4).
m. Toxicity conformance (see 3.9 and 6.6).
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