Advantage

Physical Property



 Properties(1) Method Parylene N(2) Parylene C Parylene D Parylene F(VT4) Parylene HT(AF4) ER(3) SR(3) UR(3) AR
Secant(Young's) Modulus Mpa 1 2400 3200 2800 3000 2551 2400 6 7-68.9 14-69
Tensile Strength Mpa 2 45 70 75 55 50 28-90 5.5-7 1.2--69 32-77
Yield  Strength Mpa 2 42 55 62 52 35 _ _ _ _
Elongation to Break % 2 20-250 200 10 10-50 200 3-6 100 100-1000 3-85
Yield Elongation % 2 2.5 2.9 3.0 2.5 2.0 _ _ _ _
Density g/cm3 3 1.10*1.12 1.289 1.418 1.32 1.32 1.11-1.40 1.05-1.23 1.10-2.50 1.19
Index of Refractiom nD23 4 1.661 1.639 1.669 1.559 1.559 1.55-1.61 1.43 1.50-1.60 1.48
Water Absorptiom( % after 24 hrs) 5 <0.1 <0.1 <0.1 <0.009 <0.01 0.08-0.15 0.12（7Days） 0.02-1.50 0.3
Rockwell Hardness 6 R85 R80 R80 R122 R122 M80-M110 40A-45A
(Shore）		 10A-25D
( Shore）		 M68-M105
Coefficient of Friction Static 7 0.25 0.29 0.33 0.14 0.15 _ _ _ _
Dynamic 0.25 0.29 0.31 0.13 0.13 _ _ _ _

Test Methods：                                               
1.ASTM D 882,1%  strain                         
2.ASTM D 882,10% strain                         
3.ASTM D 1505
4.Abbe Refractometer
5.ASTM D 570
6.ASTM D 785
7.ASTM D 1894
（1）Properties measured on Parylene films，0.001-0.003 in thick except where specified.
（2）Properties depend somewhat on deposition conditions.
（3）Properties and methods as reported in Modern Plastics Encycpedia,issue for 1968,Vol.45/No.1A,McGraw Hill,New York,1967.Modulus values are for tensile mudulus.