Garlock 3504

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PTFE垫片

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产品描述

商品名称: Garlock 3504

MATERIAL PROPERTIES

Color:	Blue
Composition:	PTFE with Aluminosilicate microspheres
Fluid Services1 :	Moderate concentrations of acids, some caustics, hydrocarbons, solvents,
	hydrogen peroxide, refrigerants and cryogenics
Temperature2 , °F (°C)
Minimum:	-450 (-268)
Continuous Max:	+500 (+260)
Pressure2 , Maximum, psig (bar):	800 (55)
P x T (max.)2 , psig x °F (bar x °C)
1/32 and 1/16":	350,000 (12,000)
1/8":	250,000 (8,600)
Flammability:	Will Not Burn
Bacterial Growth:	Will Not Support
Meets Specification:	ABS (American Bureau of Shipping), FDA (Food and Drug Administration)
and USP (US Pharmacopeia)

TYPICAL PHYSICAL PROPERTIES*

ASTM F36	Compressibility, %:	25-45
ASTM F36	Recovery, %:	30
ASTM F38	Creep Relaxation, %:	40.0
ASTM F152	Tensile, Across Grain, psi (N/mm2):	2000 (13.8)
ASTM D792	Specific Gravity:	1.70
ASTM D1708	Modulus @ 100% Elongation, psi (N/mm2):	1500 (10.3)
ASTM F433	Thermal Conductivity (K), W/m°K (Btu.·in./hr.·ft.2·°F):	0.14-0.24 (1.00-1.65)
ASTM D149	Dielectric Properties, range, volts/mil.
	Sample conditioning	1/16"		1/8"
	3 hours at 250°F:	318		-
	96 hours at 100% Relative Humidity	245		-
ASTM F586	Design Factors	1/16" & Under		1/8"
	"m" factor:	3.0		2.5
	"y" factor, psi (N/mm2):	1650 (11.4)		3000 (20.7)
ROTT	Gasket Constants, 1/16":	Gb=183	a=0.357	Gs=4.01x10-3
	1/8":	Gb=1008	a=0.221	Gs=2.23
ASTM F104	Line Call Out:	F456999A9B7E99K3M6(3)

SEALING CHARACTERISTICS

	ASTM F37B Fuel A	DIN 3535- 4 Gas Permeability
Gasket Load, psi (N/mm2):	1000 (7)	4640 (32)
Internal Pressure, psig (bar):	9.8 (0.7)	580 (40)
Leakage	0.12 ml/hr.	<0.015 cc/min

Notes：
This is a general guide and should not be the sole means of selecting or rejecting this material. ASTM test results in accordance with ASTM F-104; properties based on 1/32" (0.8mm) sheet thickness unless otherwise mentioned.
* Values do not constitute specification Limits
1.See Garlock chemical resistance guide.
2.Based on ANSI RF flanges at our preferred torque. When approaching maximum pressure, continuous operating temperature, minimum temperature or 50% of maximum PxT, consult Garlock Applications Engineering.
3.Increase in IRM Oil #903 (fourth numeral 9 is thickness, fifth numeral 9 is weight): Thickness = 1.0% max, Weight = 2.0% max. Sixth numberal 9: % Increase in Water: Weight = 1.0% max. A9: Leakage in Fuel A (Isooctane), Pressure = 9.8psig (0.7bar), Gasket Load = 1,000psi (7.0N/mm2): Typical = 0.12ml/hr, Max = 1.0ml/hr. E99: % Increase in ASTM Fuel B: Weight: 2.0% max., Thickness: 1.0% max.