MIL-E-82886(OS)
6.4 Safety precautions. The safety precaution requirements of the "Contractor's Safety Manual for
Ammunition, Explosives and Related Dangerous Material" (DOD 4145.26M) are applicable and should be
specified in the contract as required by the Federal Acquisition Regulation (FAR) 23.3.
NOTE: When this document is used as part of the description of work to be accomplished by a
Government activity, the safety precaution requirements of "Ammunition and Explosives Ashore" (OP5)
should be made applicable.
6.5 Definition.
6.5.1 Batch. A batch is that quantity of material which has been subjected to one or more chemical
or physical processes (or combination thereof) intended to produce a desired product having substantially
uniform characteristics.
6.6 Equivalent ratio. The following method is used to calculate the weight of IPDI required for a
1.0/1.0 NCO/OH ratio to react with the following materials:
a.
For PolyBD (OH-terminated):
(Εθ) (Ψ (Ρ)
)
Ξ
Εš
where:
X = Weight of IPDI required to react with PolyBD
Eq = Equivalent weight of IPDI, (g/eq)
Y = Weight of PolyBD (OH-terminated)
R = NCO/OH ratio (one for PBXN-109)
Ep = Equivalent weight of PolyBD (g/eq)
b.
For Dantocol DHE:
(Εθ) (Οηš) (Ψ (Ρ)
)
Ξ
(56.1) (1000)
where:
X = Weight of IPDI required to react with Dantocol
Eq = Equivalent weight of IPDI (gm/eq)
Ohp = Hydroxyl number of Dantocol DHE
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