Spécifications des feutres de laine

Feutres de laine pour applications industrielles & mécaniques. *Offerts en rouleaux, feuilles, lisières, rondelles, roues, pièces taillées par matrice.
S. A.E. SPECIFICATIONS	F-11	F-13	F-26	F-50	F-51
ASTM	9R2	9R4	8R5	16R1X	16R3X
Multifeutre  STYLE NO.	219-11	125G	126	120W-50	219-50
GENERAL PROPERTIES
Structure	3-dimensional fibrous structure - non-fraying - non-raveling
Composition, % Wool, Min.	87	75	45	95	92
Method of Production	Rolls	Rolls	Rolls	Rolls	Rolls
Density, Lbs./Sq. Yd., 1" TK	8.48	8.48	7.20	15.60	15.60
Standard Thickness Range, In.	1/8 to 1	1/8 to 1	1/8 to 1	3/64 to 3/32	3/64 to 3/32
Standard Width, In.	72	72	72	60	60
Color(1)	Grey	Grey	Grey	White	Grey
PHYSICAL PROPERTIES
Specific Gravity	0.181	0.181	0.154	0.330	0.330
Normal Oper. Temp. Range, °F.	-80 to +200	-80 to +200	-80 to +200	-80 to +200	-80 to +200
Ther. Cond. (70F) BTU/HR/Sq.Ft./°F/1"(2)	0.24	0.24	0.25	0.32	0.32
Ther. Expansion	0	0	0	0	0
Air Perm., CFM/Sq.Ft./0.5"H2O @ 1/16"TK	75-150	75-150	100-200	15-25	15-40
Liquid Absorption
% Absorp By Weight (1.0 Sp. Gr. Liquid)	>375	>350	>400	>180	>170
% Absorp By Volume (porosity)	88	88	92	75	75
Capillarity, Wicking Height, In.,
575 SSU @ 70°F, Oil	2.5	2.5	-	4.0	4.0
Coeff of Friction(3)	.37	.37	.37	.37	.37
Vibration Absorption(4)
Static Load Bearing Cap/Unit Area	Low	Low	Very Low	-	-
Dynamic Stress Endurance	High-Med.	Low	Very Low	-	-
Noise Reduction Coeff @ 1"(2)	0.64	0.64	0.65	0.55	0.55
Flame Resistance	Can be flameproofed to meet government, industrial and municipal specifications
MECHANICAL PROPERTIES
Ten Str., PSI Min.	200	75	-	500	300
Elongation, % @ 100 PSI, Avg. Value	35	37	-	8	9
Burst Str. (Mullen), Avg. PSI, 1/8" TK	60	50	25	225	225
Split Resist, lbs./2" Width, Min.	6	2	-	-	-
Hardness, Shore A Dur., Avg. Range 10	15-25	15-25	5-15	-	-
Compressibility, PSI @ 10% Def.	4	3	1	-	-
Recovery, % Within 1 Min. After 10% Compression Def.	99	99	99	99	99
Vibration Disintegration	None	None	None	None	None
Collapse When Wet	None	None	Slight	None	None
Flexibility; Fold Endurance	1/4" thick felt exceeds 3 million 180° flexes
Abrasion Resistance(5)	Fair	Fair	Poor	Excellent	Excellent
CHEMICAL PROPERTIES
Sunlight Aging; Oxidation	None	None	None	None	None
Solvent Resist and Stability in Oil	Excellent	Excellent	Excellent	Excellent	Excellent
Acid Resist, Dilute	Excellent	Fair	Fair	Excellent	Excellent
Acid Resist, Concentrated	Fair-Good	Fair	Poor	Fair-Good	Fair-Good
Alkali Resist, Dilute	Fair	Fair	Fair	Fair	Fair
Alkali Resist, Concentrated	Poor	Poor	Poor	Poor	Poor
Biological Stability	Can be treated for mildew, moisture, moth, and vermin resistant applications
FABRICATING METHODS
Die Cutting; Stripping; Skiving
Laminating; Coating; Impregnating
Stitch, Staple, Perforate, Cement
Machining; Grinding; Drilling	-	-	-	-	-
Molding and Shaping
Extruding	-	-	-	-	-
APPLICATIONS
	Dryer drum seals, impregnated packing, insoles, insulation; oil, dust and mud shields.	Grease and oil retention, protective lining and insulation for freight cars, trucks, dunnage; uses similar to 9R2 where less durability is required.	Packing or padding when held between other materials. Not recommended for mechanical uses.	Ball and roller bearing precision seals, strip wicks, industrial filters and uses requiring thin precision felt.	Gaskets, liners, bearing seals, where precision tolerances, life and quality requirements are not as exacting.

 

Indicates grades to which designated fabricating method applies. (1)     Color available on special order. (2)     Thermal and acoustical felts blended with Kapok fiber have tested values of 0.21 K factor and 0.80 sound absorption coefficient at 512 cps for 1" thicknesses of 3.2 lbs. per sq. yd. weight. Note: Specification or test values given are results obtained by ASTM D-461 Methods of Test.

(3)     COF is dependent upon the condition of the contact surface, but is subject to moderate control by altering the surface finish of the felt. (4)     Up to 85% vibration absorption under appropriate design conditions. (5)     For any quality level, abrasion resistance increases with density.

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