PTFE Teflon

Technical Data Sheet-TDS-Physical Properties of PTFE and Filled PTFE Products
Physical properties
Flake,Irregular,Type
of Virgin
&content
PTFE 8 Filled GfrP Ee aroe dependent upon many tactors such as Grad
offiler,Manutu ng Process-Compression Molding,Ram Extrusion
es of PTFE-Conventional,Modiied PTFE or Filled
,Isostatic,Paste Extrusion.Due tothis-Physica
PTFE,Particle size of
IPropertias ofPTFE&Filled
resin-Fine C rtiorcl oarSshae,pe of Resin-Spherical
PTFEPrtohd cts-h v derangeofValues:
Sr. No.
Pnpet
Unt
Test Method
Vingin PTFE Chemicaly
Modied
PTFE
15%Glass
Filed PTFE
25%Glass
FIled PTFE
5%Glass
+5%MoS2
Flled PTFE
15%Glass
+5%MoS2
FIled PTFE
25%Carton
23%Carton+2%
Graphite Flled
PTFE
35%Carbon
33%Caton
2%Gaphie
Flled PTFE
15%Graphie
Fled PTEE
40%Brnze
TSQ Filed
PTFE
40%Bonze
+5%McS2
FIled PTFE
60%Bronze
Filed PTFE
55%Bronze+
5%%MoS2 Filed
PTFE
2 3 4 5 6 7 B 9 10 11 12 13
Density gm/c ASTM D-792 21-2.2 2.15-2.2 2.15-222 2.22-2.25 220-224 2.20-2.24 2.0-2.2 2.0-2.14 2.10-2.16 3.0-32 3-32 3.8-4.0 3.8-4
2 Tensle Steng kgicm² 75-250 150-220 125-200 100-175 150-200 125-225
3 =lonoaton of Break % ASTM D-638 250-400 400-450 225-325 200-300 200-300 220-320 80-150 100-150
4 Compressve Strength kgilcm⁴ 85 80-90 65-75 85-100 80-95 115-125 115-125
5 Defomafion under lbad Max.
ASTM D-621
2 Hrs % 12 3.5 10 9 11 10 5 4 5 5 4 4
24 Hs. 13ka 15 5 12 11 13 12 7 6 6 5 5
Permanen
2 Hrs.150
y
55 40 52 50 52 50 35 30 43 42 42 40 40
6 mpact streng Jem ASTM D-256 1.4-1.5 1.6-1.75 1.2-1.3 1.0-1.1 1.25-1.35 1.2-1.3 0.7-0.8 0.6-0.7 0.8-0.9 0.9-1.0 0.9-1.0 0.8-0.9 0.85-0.95
7 Hardness Shore D ASTM D-2240 58-62 56-62 58-62 58-63 62-66 64-68 64-68
8 Coeflicient of Fricbion ASTM-D-1894
a DynamicP-7kacm²y05
0.04-0.06 0.02-0.03 0.31-0.37 0.5-0.54 0.15-0.20 0.15-0.20 0.12-0.17 0.13-0.18 0.11-0.16 0.11-0.15 0.1-0.14 0.12-0.16 0.11-0.14
b Staic P-35 kga 0.05-0.08 0.04-0.06 0.01-0.12 0.11-0.13 0.08-0.01 0.08-0.01 0.09-0.11 0.01-0.12 0.08-0.10 0.08-0.10 0.075-0.09 0.08-0.10 0.07-0.09
9 Wear Rate Max gnvs ASTM-G-137 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01
10 Water Absorption (Max. % ASTMD-570 0 0 0.015 0.013 0.015 0.015 0 0 0 0 0 0 0
11 Continuous Service Temperature c ASTM-D-648 +260 +260 +260 +260 +260 +260 +260 +260 +260 +260 +260 +260 +260
12 Heat Resistance (Nax) % ASTM-D-648 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01
13 Coeffic ent of Linear Thermal Exnansion-10 % ASTM D-696 250-275 250-275 240-265 235-255 245-270 240-265 225-250 215-240 240-265 200-225 200-225 175-200 175-200
14 Linear Themal Expansion (Max
)

%
ASTM D-696
A R A R A R A R A R A R A R A R A R A R A R A R A R
a 30-150C 1.5 1.5 1.5 1.5 1.5 1 1.5 0.7 1.5 1 1.5 1 1.2 1 1.1
0 30-200'C 2.4 2.3 2.4 2.3 2.3 1.8 22 1 23 1.8 2.3 1.8 1.9 1.5 1.8 1.4 2 1.7 1.85 1.55 1.85 1.55 1.8 1.5 1.8 1.5
C |30-250*C 3.4 3.6 3.4 3.6 3.3 2.2 32 1.4 3.3 2.2 3.3 22 27 2.2
15 Dilectnc Strength Kvmm ASTM D-149 22-24 30-35 15-16 11-12 15-16 15-16 1-2 1-2 1-2 Conducive Concuctive Conductive Canductive
16 Dimensicnal stabilty
%
%
ASTM-D-1710
1.5-3
1.5-3
1.5-3
1.5-3
1.5-3
1.5-3
1.5-3
1.5-3
1.5-3
1.5-3
1.5-3
1.5-3
1.5-3
a Length
b Diamete 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1
17 Chemical Resistance (Max.
%
%
ASTM-D-543
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
a Permeabilty
b Dissoluion 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01
PTFE is chemicaly inent &unafected by all known chemicats except moten ar dissohed akali melals-Sodum;PotassiumRubidiumCesum;Francium &Flcoine gas,certain tuoine compounds &complexes at eleveted temperalures.Filed PTFE has inteior chemical
esstance dependng upon the paricular filer
The physcal prpertes of Siandard 8 Non stardard fled grare composfon not mertioned in above tab le are to be efered on the besis ot Mleral Test Certiicasissed by Raw Maarial Supplier/Maru facture.Caia qoted are average valles only shoul not tbe used ftr designed
purpose
Company has n-house test facity/Laberatory to test above properies.Tne testing equpments are c aliorated as per procetures aid cown in CMS1S0-9001:2008,havng traceability wth NPL.The test pro cecures are self desgned similar to above refemed ASTMs