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THE WORLD'S FINEST GASKET PAPER
Rolls dimensions:
Thickness available:
Performance Level:
A. SCOPE: Gasket rolls GRADE "A" is a premium grade of vegetable fibre sheet packing, efficiently saturated with a glue-glycerine impregnant rendered insoluble by means of a tanning agent to give a strong, flexible, all-proof packing with properties retained during proper storage and in use.
B. CERTIFICATION: Gasket rolls GRADE "A" is certified to meet the below listed specifications:
HH-P-96G, Type 1 only (Federal Specification)
MIL-G-12803A Ident. No. P3313B
MIL-G-128030B & MIL-G-12803C Ident. No. F326128M6
ASTM D 1170 and SAE J90 Ident. No. P3313B
ASTM F 104 and SAE J90 Ident. No. F326128-E21-M6
Underwriters' Laboratory Listing No. MH 4649 (763N)
C. PHYSICAL CHARACTERISTICS: Fibre 45% to 55% Moisture 6% to 10% Chemical Solids 35% to 45%
D. CONDITIONING: All samples conditioned prior to testing as specified by applicable application—usually 50% RH -70 to 85°F for a period of 22 or 24 hours.
E. STANDARDS: (Using American Society of Testing Materials Specification ASTM F 104 prepared jointly with the Society of Automotive Engineers and similar in requirements to MIL-G-12803C.
ORIGINAL Test Load 1000 P.S.I.
PHYSICAL Compressibility 25% to 40%
PROPERTIES Tensile Strength 2000 P.S.I.
Recovery 40% minimum
PHYSICAL Fuel B--Thickness increase 5% maximum (Not Applicable to MIL-G-12803C)
PROPERTIES #3 Oil--Thickness increase 5% maximum
AFTER Fuel B--Weight increase 15% maximum (Not Applicable to MIL-G-12803C) IMPRESSION #3 Oil--Weight increase 15% maximum
Water--Weight increase 100% maximum
F. THICKNESS TOLERANCES:
Thickness Plus or Minus
.006", .010" and .015" .0035"
.021", .031", .046" and .062" .005"
.096" (3/32") .008"
.125" (1/8") and up .016"
G. FLEXIBILITY: Gasket rolls GRADE "A" is capable of withstanding bending around a rod with a diameter of twice the thickness of the material under test, without cracking, breaking, or excessive marring of the surfaces.
H. TEMPERATURE LIMIT: 250° F
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