01535 656656 info@sdslimited.co.uk

Performance in the field is influenced by chemical concentration, temperature, vacuum, pressure and other application variables. Therefore, all factors must be considered before purchasing your flexible ducting. We have put together a few guides to aid with your decision. Suitability for a particular application may only be determined under actual service conditions and sample trials are recommended to assure satisfactory services.

Please take a look at our technical data tables. Follow the links below.

Convert your measurements with the trusty SDS conversion table.

USED FORIMPERIAL UNITMETRIC UNITFACTOR
Lengthinchmm25.4
LengthFootm0.3048
Massozgm28.3495
Masslbkg0.454
Masstont1.016
Volumeins3cm316.367
Volumeft3m30.02832
Pressurelb f/in2Pa (N/m2)6894.76
Pressurelb f/in2K Pa6.894
Pressurelb f/in2Kg/cm20.0703
Pressurelb f/in2N/mm20.006894
Pressureton f/in2M Pa15.448
Pressureton f/in2KP/mm21.575
Pressureins H2Omm H2O25.4
Pressureins H2OPa (N/m2)249.089
Pressureins H2OKp/cm20.00254
Pressureins HgPa3386.39

Check your compatibility with the SDS Vacuum Equivalent Guide.

mm Hgmm Hg x 13.6 = mm H2ommHg x 0.0394 = ind Hgmm Hg x 0.535 = ins H2Omm Hg x 0.0193 = psi (ABS)
0.11.3600.050
0.56.80.020.260
113.60.030.530.02
5680.192.670.09
101360.395.350.19
253400.9813.370.48
506801.9726.750.96
7510202.9540.121.44
10013603.9453.51.93
500680019.7267.59.65
7601033629.94406.614.66

Unsure of your pressure measurements, click here to us the helpful SDS pressure equivalents guide.

KpaKpa x 0.0102 = Kgf cm2Kpa x 0.145 = lbs/insKpa x 0.295 = ins HgKpa x 7.5 = mm HgKpa x 4.015 = ins H2OKpa x 101.97 = mm H2O
0.100.010.030.750.4010.19
0.500.070.143.75250.98
10.010.140.297.504.01101.97
50.050.721.4737.5020.07509.85
100.11.452.957540.151019.70
250.253.627.37187.50100.372549.25
500.517.2514.75375200.755098.50
750.7610.8722.12562.50301.127647.75
1001.0214.5029.50750401.5010197
5005.1072.50147.5037502007.5050985
100010.2014529575004015101970

Explanation of abbreviations

PVC = Polyvinyl chloride, soft
HY = Hytrel (Polyesterelastomere)
PE = Polyethylene
PU = Polyurethane (ether/ester)
CR / CPR = Cloroprene rubber (Neoprene®)
SI = Silicone rubber
PA 6.6 = Polyamide 6.6
TPK / TPR = Thermoplastic rubber (Santoprene®)
PTFE = Teflon®
CSM = Hypalon (Sulphochloric polyethylene)
Viton® = Fluoric rubber

A = resistant
B = moderately resistant
C = not suitable
– = untested

The information is a guide only and will vary depending on a variety of factors. e.g. the type and strength of chemicals in contact with the duct and varying temperatures and pressures to which it is exposed. The factors may affect the appropriateness and service life of materials in different applications.

The table is to be used only for assistance in identifying a possibly compatible solution and the end user should obtain expert opinion when the ducting is put into use.

 

CHEMICALPVCHYPEPUCPRSIPATPRPTFECSMViton
AcetaldehydeACCCBAABC
Acetic acidCAACCACBAAC
Acetic acid anhydrideCBACACBAAC
AcetoneCBACBBAAABC
AcetyleneAABBAAAA
Aluminium chloride solutionBAABAAAAA
Aluminium sulphate solutionABAAAAAAAAA
Ammonia (anhydrous)AACAABABC
Ammonium chloride solutionAACAAAAA
Ammonium hydroxide solutionBAAAAAA
Ammonium sulphate solutionAAAAAAAAA
AmylacetateBACCCAACC
AmylalcoholCAACACAAAA
AnilineCCACCBBABA
AsphaltABACBCCABA
ASTM Oil No. 1AAABCAAA
ASTM Oil No. 3ABACCABA
ASTM Reference Fuel AAAACAAA
ASTM Reference Fuel BACCCACA
ASTM Reference Fuel CACCCACA
Barium hydroxideBACAAAAAA
BeerAAAAAAAAA
BenzaldehydeCACCCCBACC
BenzeneCAAABCABABA
Benzene chlorideACCACB
BenzolCBACCCACACB
Borax solutionAAACAAAAA
Boric acid solutionAAACAABAAAA
Bromine liquid (anhydrous)CCCCCCCABB
ButaneCAAABAAA
Butyl acetateCBACCCACACC
ButyraldehydeACBBABC
Butyric acidBACCAB
Calcium bisulphite solutionBAAABAAA
Calcium chloride solutionAAACAAAAAAA
Calcium hydroxide solutionBACAAAAAA
Calcium hypochlorite solution (5%)AACBBAAAA
Calcium hypochlorite solution (20%)ACBBAAAB
Carbon dioxideAABAABAAA
Carbon disulphideCACCABAC
Carbon monoxideAAAACAA
Carbon tetrachlorideCBACCCACAC
Caustic potash (see potassium hydroxide)
Caustic soda (see sodium hydroxide)
Chlorine gas (dry)CCBBBCCABA
Chlorine gas (moist)CCBCCCCABB
Chloroacetic acidCACACAAAC
ChlorobenzeneCCABCCACACA
ChloroformCCCCCCCCACA
Chlorosulphonic acidCCCCCCACC
Chromic acid (10 – 50%)CBCCCBCAAA
Citric acid solutionAAACAAAAAA
Cotton seed oilAAAAAAAAA
CreosoteACCACA
Cupric chloride solutionAAAAAAAA
Cupric sulphate solutionACAABAAAA
CyclohexaneCAAACCCACA
Dibutyl phthalateAAACAAACB
Diethyl etherACCACA
Diethyl sebacateACCBABB
Dioctyl phthalateAACCCABACB
Dowtherm ACBCABA
Ehtylene glycolAAAAAAAA
EpichlorohydrinCACBABC
EthanolAABAAAAAAA
EtherACCACA
Ethyl alcoholAABAAAAAAA
Ethyl chlorideCABCCBACA
EthylacetateCBACCBAAABC
Ethylene dichlorideCCACBBBACA
Ethylene oxideAACCACC
Exxon 2380 lubricating oilBCAA
Ferric chloride solutionABAAAAAAAA
Fluorosilicic acidBACACBAA
Formaldehyde (40%)CBACAAAAAA
Formic acidBACABCAAAC
FREON 113AAACAAA
FREON 114AAACAAB
FREON 11AAACCAAA - B
FREON 12AAACABAAA - B
FREON 22AACCAAC
FurfurolACBBBABC
Fyrquel 220 (hydraulic fluid)BAA
GlueAAAAAAAA
Glycerine (90%)AAACAAAAAAA
GreaseAABCCABA
Hydrazine (diamide)CCAAC
Hydrochloric acid (20%)BBACABCBAAA
Hydrochloric acid (37%)BCACABCAAAA
Hydrofluoric acid (48%)CACACBAAA
Hydrofluoric acid (75%)CACBCCAAB
Hydrofluoric acid (anhydrous)CACBCCAAA
HydrogenABCAAAAAA
Hydrogen cyanideBAAAA
Hydrogen peroxide (90%)BCBCBAAA
Hydrogen sulphideAABAAAAA
Iso-octaneCAABACCAA
Iso-propyl alcoholCAACAAABAAA
Iso-propyl etherBCCCABC
JP-4ACCACA
JP-5CCACA
JP-6CCACA
KeroseneBAACCCABA
Lactic acidCBAAAABAAAA
Linseed oilBABABAAA
Magnesium chloride solutionBBACAAAAAAA
Magnesium hydroxide solutionBAAAAAA
Mercuric chloride solutionBBAACAAAA
MercuryAAAAAAAAAAA
MethanolCAACAAAAAAB
Methyl alcoholCAACAAAAAAB
Methylene chlorideCCACCBBACB
Methylethyl ketone (MEK)CAACCAAACC
Mineral oilCAABAAACAAA
Mobil XRM 206ABAA
n-hexaneCAAAACACAAA
NaphthaleneCBACCCCACA
NapthaCAACCCCACA
Nitric acid (10%)BACBBCBAAA
Nitric acid (30%)CACCBCBAAA
Nitric acid (60%)CCCCCCCABA
Nitric acid (70%)CCCCCCCACA
Nitric acid (fuming)CCCCCCACB
NitrobenzeneCCACCCAACB
Oleic acidAABBABB
Oleum (20 – 25%)CCCCCCCCABA
Palmitic acidAABBBABA
PerchloroethyleneCCACCBCACA
PhenolCCACCCCBACA
Phosphoric acid (20%)AACACAAAA
Phosphoric acid (60%)ACACACCAAAA
Phosphoric acid (70%)BCACACCAAAA
Phosphoric acid (85%)BCACACCAAAA
Pickling solution 17% Nitric acid 4% Hydrofluoric acidCCCAAA
Pickling solution 20% Nitric acid 4% Hydrofluoric acidCCCAAA
Picrinic acidBABACBAAA
Potassium dichromate solutionABACACAAA
Potassium hydroxide solution (dilute)AAAAAA
Pydraul 312CACCCACA
PyridineCCACCCABACC
QFI-2023 (Silicone brake fluid)BAAA
Quick silver (mercury)AAAAAAAAAAA
Ricinol (Ricinus oil)BAAABAAA
SAE Oil No. 10ACCACA
Sea waterAAAAAAAAA
Shell Turbine Oil 307BBCABB
Silicone greaseAAAACAAAA
Skydrol 500ACCBAACC
Skylube 450AC
Soap solutionAAAAAAAAAAA
Sodium chloride solutionAACAAAAAAA
Sodium dichromate (20%)CBABAAAA
Sodium hydroxide (20%)AAABAAAA
Sodium hydroxide (46.5%)BAABAAAA
Sodium hydroxide (50%)AABAAAC
Sodium hydroxide (73%)AAABAAAC
Sodium hypochlorite (5%)AABCABAAAA
Sodium hypochlorite (20%)BBBCBBAAAB
Sodium peroxide solutionACACAAAA
Soya bean oilCBAAACAAA
Stannic chlorideACBABA
Stannic chloride (15%)ABCABAAA
SteamBCACAAAB
Stearic acidABAABABAB
StyreneCCACCCACACA
Sulphur (molten)ABABAAAAAA
Sulphur dioxide gasABACAAAAA
Sulphur dioxide liquidABACAAAA
Sulphur trioxideCCCCBBAC
Sulphuric acid (5 – 10%)ABACAACAAAA
Sulphuric acid (10 – 50%)BCACACBAAA
Sulphuric acid (50 – 80%)CCACBCCAAA
Sulphuric acid (60%)CCACBCCAAA
Sulphuric acid (90%)CCCCCCCAAA
Sulphuric acid (95%)CCCCCCCAAA
Sulphuric acid (< 5%)AAACAACAAAA
Sulphuric acid (fuming, 20% oleum)CCCCCCCCABA
Sulphurous acidBCCCAAC
Sunoco XS-820 (EP Grease)BCAA
Tannic acidAAAABAAAA
Tartaric acidBAAABAAA
TetrahydrofuranCACCCACACC
TolueneCBACCCACACB
TributylphosphateACCACC
TrichloroethyleneCCCCCBBCACA
TricresylphosphateABCCAACA
TriethanolamineCCACAAAAC
Trisodium phosphate solutionABAAAAAA
Tung oilBACAAA
TurpentineCACCCCACA
VarnishBCCACC
WaterAAACAAAAAAA
XyleneCAACCCACACA
Zinc chloride solutionAAACABAAAA