Doniflex® GMDr
Gasket material specially designed for radiators and boilers.
|
| |
| |
DON 2.0 |
Properties and application
Gasket material with excellent resistance to hot water, steam and oils; specially designed for radiators and boilers.
Basis | Aramid fibers, Graphite, NBR |
Color | Silver |
Surface treatment
Anti-stick coating: a special bifunctional silver colored non-stick top and bottom layer.
Dimensions of standard sheet
Sheet size | mm | 1500 x 1480 mm |
Thickness* | mm | 1.0 mm |
* other thicknesses available on request
Technical data
Typical values for a thickness of 1.0 mm
Density | DIN 28090-2 | g/cm3 | 1.2 - 1.4 |
Compressibility | ASTM F 36/J | % | 15 - 30 |
Recovery | ASTM F/36/J | % | 25 - 40 |
Stress resistance (50 MPa, T=175°C, 16h) | DIN 52913 | MPa | min 30 |
Stress resistance (50 MPa, T=300°C, 16h) | DIN 52913 | MPa | min 35 |
Immersion in Oil IRM 903, 5h, 150°C | ASTM F146 | ||
- thickness increase | % | max 7 | |
- weight increase | % | max 25 | |
Immersion in ASTM Fuel B, 5h, 20°C | ASTM F146 | ||
- thickness increase | % | max 7 | |
- weight increase | % | max 22 | |
Specific Leak Rate | DIN 3535/6 | mg/(s.m) | ≈ 0.5 |
Relative intensity of PTFE layer (ATR-FTIR) | S5000016 | % | 10 - 20 |
Residual stress (70MPa /220°C, ø75 x 55 mm) | N0840001 | MPa | min 35 |
Media resistance
Media resistance chart serves only as a guideline for the selection of material for particular application. Due to the variety of assembly and operating conditions, the data may not be used to support any warranty claims.
ACETALDEHYDE | liquid solutions | MALEIC ANHYDRIDE | liquid solutions |
AIR | gas | MARLOTHERM | oil, mineral oil products |
ALLYL CHLORIDE | liquid solutions | MERCURY | miscellaneous |
ALUM | liquid solutions | MERCURY SALTS | liquid solutions |
ALUMINIUM CHLORIDE | liquid solutions | MINERAL OIL | oil, mineral oil products |
ALUMINIUM SULPHATE | liquid solutions | MINERAL OIL | oil, mineral oil products |
AMMONIUM PHOSPHATE | liquid solutions | MOTOR OIL | oil, mineral oil products |
ANILIN-HYDROCHLORIDE | liquid solutions |
|
|
ASPHALT | oil, mineral oil products | NICKEL SALTS | liquid solutions |
ASTM OIL NO.1 FUEL | oil, mineral oil products | NITROGEN | gas |
ASTM OIL NO.2 FUEL | oil, mineral oil products |
|
|
ASTM OIL NO.3C FUEL | oil, mineral oil products | OIL ACID | oil, mineral oil products |
ASTM FUEL A | oil, mineral oil products |
|
|
ASTM FUEL B | oil, mineral oil products | PARAFFIN | oil, mineral oil products |
ASTM FUEL C | oil, mineral oil products | PETROLEUM | oil, mineral oil products |
ASTM FUEL D | oil, mineral oil products | PHOTOGRAPHIC EMULSIONS | liquid solutions |
AZ 20 (32+125) | oil, mineral oil products | PHTHALIC ANHYDRIDE | liquid solutions |
|
| POLYETHYLENE GLYCOL | oil, mineral oil products |
BEER | liquid solutions | POTASH | liquid solutions |
BENZINE | oil, mineral oil products. | POTASSIUM ALUM | liquid solutions |
BITUMEN | oil, mineral oil products | POTASSIUM BROMATE | liquid solutions |
BORAX | liquid solutions | POTASSIUM BROMIDE | liquid solutions |
BRAKE FLUID (GLYCOL BASIS) | oil, mineral oil products | POTASSIUM CARBONATE | liquid solutions |
BUTADIENE | oil, mineral oil products | POTASSIUM PHOSPHATE | liquid solutions |
BUTENE (BUTYLENE) | oil, mineral oil products | POTASSIUM SALT | liquid solutions |
|
| POTASSIUM SULPHATE | liquid solutions |
CALCIUM CHLORIDE | liquid solutions | PROPYLENE OXIDE | gas |
CALCIUM NITRATE | liquid solutions |
|
|
CARBON DIOXIDE | gas | SACCHAROSE | liquid solutions |
CHLORINE GAS DRY | gas | SALT | liquid solutions |
CHROME ALUM | liquid solutions | SANTOTHERM 66 | oil, mineral oil products |
COCONUT OIL | oil, mineral oil products | SEA WATER | liquid solutions |
CONDENSATE WATER | water, steam | SILICONE GRAESE | oil, mineral oil products |
COPPER SALT | liquid solutions | SILVER SALT | liquid solutions |
|
| SOAP SOLUTION | liquid solutions |
DEMINERALIZED WATER | water, steam | SODA | liquid solutions |
DEXTRINE | liquid solutions | SODIUM BROMIDE | liquid solutions |
DIESEL FUEL | oil, mineral oil products | SODIUM CARBONATE | liquid solutions |
DIPHYL ( HEAT CARRIER OIL) | oil, mineral oil products | SODIUM CHLORIDE | liquid solutions |
|
| SODIUM DISULPHITE | liquid solutions |
ETHYLCELLULOSE | liquid solutions | SODIUM DITHIONITE | liquid solutions |
|
| SODIUM FLUORIDE | liquid solutions |
FRUIT JUICE | liquid solutions | SODIUM HYDROGEN-CARBONATE | liquid solutions |
FLUE GAS | gas | SODIUM HYDROGEN-SULPHATE | liquid solutions |
FURNACE GAS | gas | SODIUM HYDROGEN-SULPHITE | liquid solutions |
|
| SODIUM IODIDE | liquid solutions |
GEAR OIL | oil, mineral oil products | SODIUM PERBORATE | liquid solutions |
GELATIN | liquid solutions | SODIUM PHOSPHATE | liquid solutions |
GENERATOR GAS | gas | SODIUM SILICATE | liquid solutions |
GLAUBER SALT | liquid solutions | SODIUM SULPHATE | liquid solutions |
GLUCOSE | liquid solutions | SODIUM SULPHITE | liquid solutions |
GLYCOL | liquid solutions | SODIUM THIOSUPHATE | liquid solutions |
GLUE | liquid solutions | SPINDLE OIL | oil, mineral oil products |
|
| SPIRITS | oil, mineral oil products |
HEAT CARRIER OIL | oil, mineral oil products | STARCH SOLUTION | liquid solutions |
HEPTANE (-n) | oil, mineral oil products | STEAM | water, steam |
HEXANE (-n) | oil, mineral oil products | SULPHUR DIOXIDE | gas |
HOT WATER | water, steam | SYLTHERM 800 | oil, mineral oil products |
HYDRAULIC OIL | oil, mineral oil products | SYNTREL 350 | oil, mineral oil products |
HYDROSULPHITE | liquid solutions |
|
|
|
| TANNIC ACID | liquid solutions |
INERT GAS | gas | TAR | oil, mineral oil products |
ISOOCTANE | oil, mineral oil products | TEST BENZINE | oil, mineral oil products |
ISOPROPYL ACETATE | liquid solutions food | TETRAETHYL LEAD | oil, mineral oil products |
|
| TRANSFORMER OIL | oil, mineral oil products |
KEROSINE FUEL | oil, mineral oil products | TRI SODIUM PHOSPHATE | liquid solutions |
|
| TURBINE OIL | oil, mineral oil products |
LANOLINE (WOOL GREASE) | liquid solutions |
|
|
LATEX | liquid solutions | VASELINE | oil, mineral oil products |
LAUGHING GAS | gas | VEGETABLE FAT | oil, mineral oil products |
LIGHTING GAS | oil, mineral oil products | VEGETABLE OILS | oil, mineral oil products |
LINK UP MEDIUMS | liquid solutions | VINYL CHLORIDE | gas |
LINSEED OIL | liquid solutions |
|
|
LITHIUM BROMIDE | liquid solutions | WASCHING AGENT | liquid solutions |
LUBRICATING OIL | oil, mineral oil products | WASTE GAS | gas |
|
| WASTE WATER | liquid solutions |
MACHINE OIL | oil, mineral oil products |
|
|
MAGNESIUM SALT | liquid solutions | ZINC SALTS | liquid solutions |