Product Description

QPL-Listed Nitrile O-Rings from Datwyler”s Parco Brand: US industry know-how, Swiss quality standards – and rigorous testing for multiple military and aerospace specifications.

The Datwyler Advantage: Our QPL-listed nitrile O-rings have excellent physical properties. Combine that with batch number and cure date traceability, approval from the Performance Review Institute (PRI) and the Wright-Patterson Air Force Base Material Laboratory as well as a wide variety of applications, and rest assured that you’ve made the right choice.

Typical Values for Compound

Sec. of Spec	Physical Property	Requirements	Result	ASTM Test Method

3.2.1	Original Properties
3.2.1.1	Hardness, Shore A, O-Ring	70 ± 5	71	D1414
3.2.1.2	Hardness, Shore A, Button	70 ± 5	71	D2240
3.2.1.3	Tensile strength, MPa (psi), min.	10.3(1500)	18.1(2618)	D1414
3.2.1.4	Ultimate elongation, pct., min.	150	355	D1414
3.2.1.5	Specific gravity	1.28 ± 0.02	1.27	D297
3.2.1.6	Corrosion	Nil	Nil	D1414

	Compression Set			D395
3.2.2	70 hours at 125°C (257°F)			Method B
	pct. of original deflection, max.	75	59	D1414

	Low Temperature Property
3.2.3	After 96 hours in IRM 901 Oil
	5 hours at -40 °C(°F)			Para
	Brittleness	No Cracking	No Cracking	4.4.1

	Heat Aging			D573
3.2.4	70 hours at 100°C (212°F)			D1414
3.2.4.1	Hardness change, pts., Shore A	0 to 10	3
3.2.4.2	Tensile strength change, pct., max.	-25	1.145912911
3.2.4.3	Ultimate elongation change, pct., max.	-40	-18.02816901
3.2.4.4	Bend (Flat)	No Cracking/Checking	No Cracking/checking

	Fluid Aging, IRM 901 Oil			D471
3.2.5	96 hours at 150°C (302°F)			D1414
3.2.5.1	Hardness change, pts., Shore A	-5 to 10	4
3.2.5.2	Tensile strength change, pct., max.	-60	-41.40565317
3.2.5.3	Ultimate, elongation change, pct., max.	-50	-50.14084507
3.2.5.4	Volume change, pct.	0 to 10	0
3.2.5.5	Decomposition	None	None
3.2.5.6	Surface Tackiness	None	None

	Fluid Aging, IRM 903 Oil
3.2.6	70 hours at 150°C (302°F)			D471
3.2.6.1	Hardness change, pts., Shore A	-20 to 0	-7	D1414
3.2.6.2	Volume change, pct.	25 to 45	32
3.2.6.3	Decomposition	None	None
3.2.6.4	Surface Tackiness	None	None