Material Specifications

Load bearing profiles, overlay covers and inlays are manufactured of high quality materials. They correspond to current provisions and require`ents. Below are presented the properties of the individual materials and their chemical resistance.

Material
Nitriflex®  to standard DIN 18541 Test method according to
Shore hardness (A) 67 +/– 5
ISO 868
Density 1,25 +/– 0,02 g/cm³
ISO R 1183
Tensile strength ≥ 10 N/mm²
ISO R 527-2
Relative elongation at break ≥ 350 %
ISO R 527-2
Relative elongation at break at 23 °C ≥ 350 %
DIN 53504
Yield strength ≥ 14 N/mm²
DIN 53504
Measurement divergence +/– 0,7 %
DIN 16941
Linear expansion coefficient 15–17 x 10-5  K-1
DIN 53752
Fire resistance B 2

Material does not contain lead, cadmium or formaldehydes. The material is suitable for open air spaces. Resistant to oils, bitumen mass, oxidation, acids, alkali materials, micro-organisms and UV light. Resistant to ageing, permanently elastic.

Material

Aluminium per PN-EN 755

Test method per
Yield limit Rp 0,2 
min. 160 MPa

Tensile strength Rm min. 215 MPa

Elongation A50 mm
min. 6 %

Hardness
Estimated value approx. 10-13
Webster B
Estimated value approx. 60
Vickers
Thermal conductivity at 20 °C
 190 W/m, °C

Density 2,7 kg/dm³

Linear elongation coefficient
23 x 10-6 1/°C

Lengthwise elasticity modulus (Young's modulus)
70 GPa

crosswise spring modulus (Kirchhoff's modulus)  27 GPa

Poisson's ratio 0,33
Fire resistance A1
Material

Stainless steel grade 1.4301 Test method per
Yield limit Rp 0,2
≥ 190 MPa

Tensile strength Rm
500-700 MPa

Elongation A5
≥ 45 %

Hardness
Estimated value ≤ 215 HB

Thermal conductivity at 20°C
15 W/m·K

Density 7,9 g/cm³

Lengthwise elasticity modulus (Young's modulus) at 100°C
194 GPa 

Poisson's ratio 0,33

Fire resistance A1

Corrosive agent Concentration (%)
Temperature (°C) Nitriflex®
evaluation
combustion fumes containing carbon dioxide any
60
b
combustion fumes containing hydrochloric acid any
60
b
water sewage
20
b
formic acid 10
20
b
liquid ammonia 15 
saturated
40
40
b
b
acetone any
20 
bb
acetylene 100 
20 
bb
acetylene chlorohydrin solution
20 
u
acetylene tetrabromide 100 
20 
u
ethyl acetate 100 
20 
u
ethyl ether 100 
20 
u
ethyl alcohol 10
90
20
20
b
u
ethylene glycol 100
40
60
b
u
various kinds of alums any
40
b
ammonium salts any 
40
b
ammonia, water solution 15
saturated
40
40
b
b
ammonium salts, water solution any
60
b
aniline 100
20
u
petrol 100
20
b
benzene 100
20
bb
acid sulphate, water solution any
40
60
b
b
lead acetate, water solution
20 b
Javel water (bleach) 15
20
b
butyl acetate 100
20
u
borax (sodium borate)


borax, solution any
40
b
boric acid any
60
b
bromine (gaseous and liquid)
20
u
hydrobromic acid any
40
b
buttermilk
20
b
buna(latex)

20
b
butadiene 100
20
u
butanol
100
20
u
calcium chloride, water solution any
60
b
calcium sulphide, water solution
20
not tested
calcium nitrate
20
not tested
Corrosive agent Concentration (%)
Temperature (°C)
Nitriflex®
evaluation
phenol
20
not tested
chlorine any
20
u
chlorine water
20
b
chloromethyl 100
20
not tested
potassium-chromium alum, water solution any
40
b
chromic acid 0,2–10 
20
b
diesel fuel, hydraulic oil 100
100
40
60 
b
dextrin, water solution saturated 60 
b
fertiliser salts, water solution any
40
b
ferric chloride any 20
u
acetic acid, water solution 6
20
40
60
b
b
bb
acetic acid (vinegar)
20
40
b
b
anhydrous acetic acid 100
20
not tested
acetic ester 100
20
not tested
cyanoferrate any
60
b
fats, water suspension
20
b
plant-based and animal-based fats 100
20
b
fixative bath
40 b
formaldehyde, water solution 30
20
bb
formalin
20
not tested
freon-12 100
20
bb
tannic acid

not tested
glycerine

not tested
glycol

b
glucose saturated 20
b
urea any
60
b
fuel oil

b
liquid fertiliser

b
potassium hydroxide 6
15
30
concentrated
concentrated
40
60
20
20
40
b
bb
b
bb
bb
potassium dichromate, water solution saturated 20
b
potassium persulphate, water solution saturated 40
b
Corrosive agent concentration (%)
Temperature (°C)
Nitriflex®
evaluation
potassium salts any 60
b
carbolineum
20
not tested
sodium chloride, water solution allowed 40
b
carbonic acid allowed 60
b
hydrocarbons saturated 20
b
copper sulphate, water solution allowed 60
b
linseed oil 100
60
not tested
magnesium salts, water solution allowed 60
b
methanol 100
20
not tested
methylene chloride 100
20
not tested
lactic acid
20
not tested
naphthalene bromide 100
20
b
b
sodium salts, see: sodium chloride
sodium hydroxide, water solution
20
not tested
nickel salts, water solution allowed 60
b
nitroglycerin 100
20
not tested
nitro varnish fixed 20
b
oil, see: fats, diesel fuel, etc.
oleum
100
20
not tested
oxalic acid

not tested
ozone
20
bb
paraffin

not tested
Pe-Ce fabric fixed 20
not tested
fenole, water solution allowed 20
bb
phosphorus pentoxide 100
20
b
phosphoric acid , water solution allowed 60
b
ramasite

20
b
ricin oil

not tested
nitric acid
6

3
15
65
20
40
60
20
20
20
40
b
not tested
not tested
b
b
not tested
not tested
Corrosive agent Concentration (%)
Temperature (°C)
Nitriflex®
evaluation
hydrochloric acid allowed 60
b
salty water
40
b
liquid lubricant, spindle oil, etc. 100
40
bb
sulphur dioxide, gaseous any 40
not tested
carbon disulphide 100
20
not tested
sulphuric acid 10
60
20
40 
b
bb
sulphur oxide in gaseous state 100
20
nie badano
soap solution saturated 20
b
silver nitrate 10
40
b
Stauffer's lubricant 100
40
b
carbon tetrachloride 100
20
b
tar

b
ink
30
b
toluene 100
20
bb
transformer oil 100
40
60
bb
u
trichloroethylene 100
20
not tested
perchloric acid any
20 b
urine
20
b
CO2-saturated water 100
20
b
rain water

b
condensed water

b
water (calcium-depleted)

b
soft water

b
water (high gypsum content)

b
lake water

b
river water

b
glacier water

b
sea water

b
liquid glass

b
red and white wine

b
hydrogen peroxide do 30
40
b
xylene

not tested
zinc salts any
60
b
sacharose

b
citric acid

bb

Abbreviations: b =resistant, bb =  partially resistant, u =not resistant