Aluminum & gasket technical specifications

ALUMINUM ALLOY

Billet EN AW 6063
Standart EN 573-3
Colour Natural
Melting temperature 660° C
Boiling temperature 2300° C
Rupture strength 16,5 Kg/mm²
Tensile strength 19,0 Kg/mm²
Elongation (5) (50mm) 8,0 Kg/mm²
Hardness (HB) 70
Density 2,71 g/mm³
Shearing strength 14 Kg/mm²
Elasticity modulus 69 Gpa
Heat conductivity 0,44 cal/cm.S.°C
Dilatation coefficient 0,000024 (20°-100°C)
Electrical resistance 0,038 Ω.mm²/m
Weldability Good
Corrosion resistance Good
Anodisability Good
Anodising thickness 10 - 12 µ
Lifetime 50 years
Chemical composition Aluminium = % 97,30 - 98,15
Mg = % 0,45 - 0,90
Si = % 0,20 - 0,60
Fe = % 0,35
Cu = % 0,10
Mn = % 0,10
Cr = % 0,10
Ni = % 0,10
Zn = % 0,10
Ti = % 0,10
Ga = % 0,10
Others = % 0,15

GASKET PROPERTIES

EPDM

SBR

TPE

Short form name EPDM SBR  TPE
Hardness range (Short A) 75 60-70  75
Colours Black Black  Limited range
Max continuous temp. 130°C 85°C  120°C
Max intermittent 150°C 115°C  140°C
Low temperature -50°C -55°C  -40°C
Tensile strength at break 14,3 MPA > 9 MPA  7,65 MPA
Elongation at break % 560 > % 300  % 620
Tear resistance N/mm 29 Min. 20  27
Density 1,12 g/cm³ 1,19 g/cm³ 0,98 g/cm³
Oxidation Excellent Fair Excellent
Ozone resistance Excellent Poor Excellent
UV resistance Excellent Poor Excellent
ASTM Oil 1 at 20° C Fair Poor Excellent
ASTM Oil 1 at 100° C Unsatisfactory Unsatisfactory Excellent
ASTM Oil 3 at 20° C Unsatisfactory Unsatisfactory Excellent
ASTM Oil 3 at 100° C Unsatisfactory Unsatisfactory Good
Alcohol Good Good  Good
Acetone Good Fair  Good
Benzene Unsatisfactory Unsatisfactory  Good
Acids Good Fair  Good
Alcalis Good Good  Good
Compression set Good Good  Good
Resilience Very good Good  Good
Gas permeability Fairly low Fairly low  Low
Electrical strength Excellent Excellent  Good
Flame resistance Poor Poor  Fair
Water resistance Excellent Good  Good