SR-410 Material Properties & Chemical Resistance Data

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SR-410 Material Properties

Physical Properties	Test Procedure	Units	Rigid Aqua Cell
PHYSICAL
Density	ASTM D1667	lbs/ft3 typical range	7.6
Cell Size – Typical Diameter	Internal	inch	0.012
Buoyancy	–	lbs/ft3	54.7
Water Absorption	ASTM D1667	lbs/ft2 cut surface	<0.1
MECHANICAL
Tensil Strength (S1S)	ASTM D412	psi	399.4
Tensile Modulus (S1S)	ASTM D412	psi	781
Tensile Elongation at Break (S1S)	ASTM D412	%	75.9
Compression Deflection at 25%	ASTM D1667	psi	12.8
Compression Stress-Strain
25% compression	ASTM D3575	psi	24.2
50% compression	ASTM D3575	psi	42.7
Compression Set @ 25%	ASTM D1667	%	8.2
Durometer Hardness O Scale	ASTM D2240	O	53 to 60
THERMAL
Thermal Conductivity	ASTM C518	BTU-in/ft2-hr-oF	0.25
Recommended Operating Temp. Range	Internal	oF	-317 to +180
Coefficient of Linear Thermal Expansion between -58 and +68oF (x10-5/oF)	ASTM E831-12	oF	6.22
Flammability	UL94 HBF	–	HBF
ELECTRICAL
Dielectric Strength	ASTM D149	V/mil	67.8
Dielectric Constant @60 Hz	ASTM D150	K	2.23
Dissipation Factor @60 Hz	ASTM D150	D	0.514
Volume Resistivity	ASTM D257	Ohm-cm	1.25 E+11

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SR-410 Chemical Resistance Properties

Reagent Classification	Reagent	SEFA Rating	Dimensional Change (%)	Mass Change (%)
Alcohols	Water	0	-0.06	30.1
	Methanol	0	0	12.6
	Isopropanol	1	0.41	10.2
	Amyl alcohol	1	-0.72	20.1
	Ethylene glycol	1	0.14	21.2
	Diethylene glycol	0	1.06	18.6
	Glycerine	0	-0.22	13.1
	Benzol	2	-2.12	25.9
Aromatics	Toluene	2	-1.58	81.5
	Xylenes	2	-0.21	62.5
Polar Solvents	Acetone	1	-13.55	79.6
	MEK	2	Dissolve	Dissolve
	Butyl acetate	2	1.24	106.7
	Ethyl acetate	1	-5.69	112
	Dibutyl phthalate	2	5.01	28.2
Aliphatics	Naptha (aliph)	0	1.38	13.2
	Paraffin oil	1	-3.17	21.8
	Cooking oil	2	3.55	43.9
	Linseed oil	1	0.8	11.9
	Motor oil (10 W-30)	0	0.12	14.7
	IRM 901 (ASTM #1)	0	0.18	10.1
	IRM 903 (ASTM #3)	1	-0.6	13.7
Chlorinated Solvents	Carbon tetrachloride	1	0.17	82.3
	Chloroform	2	-5.23	213.7
	Ethylene dichloride	1	-6.38	129.1
Acids	Acetic acid 5%	0	0.61	23.3
	Acetic acid	0	1.28	48.1
	Hydrochloric acid	1	1.4	20.2
	Nitric acid	1	1.41	25.1
Bases	Ammonium hydroxide 5%	0	0.59	23.3
	Ammonium hydroxide	0	0.68	29.4
Non Polar	Carbon disulfide	1	-4	139.1
Other	Chlorox	0	0.35	18.8

SEFA Testing Method
Rating	Description
0	No detectable change in surface.
1	Slight change in color or gloss, viewable from only one angle. “Oily stain” remains after cleaning with soft dish soap solution.
2	Sever stain viewable from all angles. Evidence of swelling due to absorption of reagent after 24 hours. Sunken appearance due to extraction of reagent
3	Obvious degradation of the material.
Physical Stability	This was a 4 hour immersion test in reagent. Pre and post measurements used to quantify % change of foam sample.