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Excerpted Specifications for Mil-PRF-1832E Type I and Type II Parachute bands
Table I. Physical Requirements
	Property				Type I		Type II
Permanent set, percent (maximum)
	(after 500 +/- 50 percent 
	elongation for 10 minutes)		20		15
Breaking force, pounds (minimum)
	Initial					45		50
	After aging			not less than 75% of initial figure
Ultimate elongation, percent (minimum)
	Initial					700		650
	After aging			not less than 75% of initial figure
Weight (minimum), bands/pound			390		300
Flat Length: +/- 1/8 inch
Width: Type I +/- 1/16 inch
Wall Thickness: +5 percent, -0 percent
Table III. Test Methods
	
Characteristic	Req.	ASTM	Requirements	Number	Results
		Ref	test	Applicable to	deter-	to nearest
			Method			minations	
				Unit   Lot	per unit
Permanent set	3.3	D412	yes		one	1 percent
 Breaking force
 Lbs./min:
  Initial	3.3	D412	yes		one	1 pound
  After Aging	3.3	D573	yes		one	1 pound
Ultimate elongation
 Percent
 minimum)
  Initial	3.3	D412	yes		one	1 percent
  After Aging	3.3	D573	yes		one	1 percent
Weight		3.3			yes	one	0.1 ounce
 

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Copyright 2000 Keener Rubber Company, Inc.
Last modified: February 03, 2000