SF-155 Material Properties & Chemical Resistance Data

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SF-155 Material Properties

Physical Properties	Test Procedure	Units	Flexible Aqua Cell
PHYSICAL
Density	ASTM D1667	lbs/ft3 typical range	4.7
Cell Size – Typical Diameter	Internal	inch	0.015
Buoyancy	–	lbs/ft3	57.6
Water Absorption	ASTM D1667	lbs/ft2 cut surface	<0.1
MECHANICAL
Tensil Strength (S1S)	ASTM D412	psi	136.3
Tensile Modulus (S1S)	ASTM D412	psi	181.6
Tensile Elongation at Break (S1S)	ASTM D412	%	77.1
Compression Deflection at 25%	ASTM D1667	psi	4.2
COMPRESSION STRESS-STRAIN
25% compression	ASTM D3575	psi	5.4
50% compression	ASTM D3575	psi	13.3
Compression Set @ 25%	ASTM D1667	%	5.9
Durometer Hardness O Scale	ASTM D2240	O	10 to 13
THERMAL
Thermal Conductivity	ASTM C518	BTU-in/ft2-hr-oF	0.25
Recommended Operating Temp. Range	Internal	oF	-317 to +180
Flammability	UL94 HBF	–	HBF
ELECTRICAL
Dielectric Strength	ASTM D149	V/mil	30.3
Dielectric Constant @60 Hz	ASTM D150	K	4.86
Dissipation Factor @60 Hz	ASTM D150	D	0.75
Volume Resistivity	ASTM D257	Ohm-cm	6.5 E+9
ANTIMICROBIAL
Microorganism	Test Procedure	Rating	Result
S. aureus 6538	JIS Z 2801 (24h test)	–	>99.9% reduction
K. pneumoniae 4352	JIS Z 2801 (24h test)	–	>99.9% reduction
5 Fungi	G-21 (28 day test)	2	<30% Light Growth

 

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SF-155 Chemical Resistance Data

Reagent Classification	Reagent	SEFA Rating	Dimensional Change (%)	Mass Change (%)
Alcohols	Water	0	-.23	51.4
	Methanol	0	1.8	57.2
	Isopropanol	0	1.18	31.1
	Amyl alcohol	1	.89	39.5
	Ethylene glycol	2	0	54
	Diethylene glycol	1	.33	26.7
	Glycerine	1	0.56	15.3
	Benzol	2	0.47	77.4
Aromatics	Toluene	1	-3.18	148.5
	Xylenes	2	-3.29	99.9
Polar Solvents	Acetone	2	-18.76	132.2
	MEK	2	-8.74	273.9
	Butyl acetate	2	-3.76	119
	Ethyl acetate	2	-12.46	166.4
	Dibutyl phthalate	2	0.89	52.5
Aliphatics	Naptha (aliph)	1	1.17	20.5
	Paraffin oil	1	1.18	22.2
	Cooking oil	1	-1.44	22.1
	Linseed oil	1	-1.34	26.6
	Motor oil (10 W-30)	0	-0.61	21.7
	IRM 901 (ASTM #1)	1	-0.75	23.4
	IRM 903 (ASTM #3)	1	0.23	26.1
Chlorinated Solvents	Carbon tetrachloride	1	0.8	156.1
	Chloroform	1	-5.89	495.4
	Ethylene dichloride	1	-9.58	199.1
Acids	Acetic acid 5%	0	0.19	66.7
	Acetic acid	1	0.19	136.8
	Hydrochloric acid	0	5.61	68
	Nitric acid	1	2.85	91.8
Bases	Ammonium hydroxide 5%	0	-0.7	70.9
	Ammonium hydroxide	0	0.19	70.4
Non Polar	Carbon disulfide	0	-4.35	98.1
Other	Chlorox	0	-0.74	38.6

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.