PRODUCT SPECIFICATIONS

IPI PRODUCT SPECIFICATION

BORON POTASSIUM NITRATE (Pellets)

Explosives 1.3
  • Chemical formula: BKNO3
  • CAS no: 7440-42-8, 7757-79-1
  • UN no: 0477
  • Specification: MIL-P-46994B, Type IIB (dated January 4 1982).
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Boron Potassium Nitrate (BKNO3) Ignitor pellets

Boron Potassium Nitrate (BKNO3) Ignitor pellets/granules are commonly used as initiators in rocket motors, fuzes and payload ignition/expelling charges. IPI supplies BKNO3 ignitor pellets/granules per MIL-P-46994B and AS-4362C in a variety of shapes & weights (custom sieve cuts available):

  • Type I: Cylindrical
  • Type II: B1 – Convex
  • Type IV
  • Type V
    • Class 1. Crush Strength: Axial 18,500g, Radial 18,000g
    • Class 2. Crush Strength: Axial 7,500g, Radial 7,500g
    • Class 3. Crush Strength: Axial 3,000g, Radial 2,000g
  • Type VI
  • Type VII: Oblate Spheroid Granules
    • Class 1. 5% max. retained on USS Sieve No. 50
    • Class 2. 5% max. retained on USS Sieve No. 60
    • Class 3. 5% max. retained on USS Sieve No. 100

BKNO3 pellets/granules are supplied in a variety of shapes and weights (shapes and weights for Class I & II shown)

IPI Specification No: 10176

BORON POTASSIUM NITRATE (Pellets)

Properties
Units
Values
Min
Max
Diameter
Inches
0.247
0.253
Weight
Grams
0.140
Height
Inches
0.125
0.135
Elementary boron content
%
19.5
23.5
Moisture content
%
0.75
Burning rate
Inches/second
1.25
1.75
Heat of reaction
Calories/gram
1500
Crush strength
Axial, Grams
6000

Island Pyrochemical Industries provides this product specification sheet solely for informational purposes, and reserves the right to change product specifications without prior notification.