*Terms and conditions apply
If you would like to discuss this product, or you require a sample, please call 01702 560194. Alternatively, you can use our contact form.
Please note: All cut material is non-returnable unless faulty as these are non-sellable and have been cut to specific requirements.
Halogen Free Black Nitrile to BS2751 BA40
- Meets ASTM D 2000 M4 BK407A23B14EF21HG21F5K113
- REACH, RoHS, PAH and CE compliant
- Certified to BS2751 BA40
- Halogen Free Black Nitrile
- Suitable for use with oils, fuels, greases and water with excellent mechanical and physical characteristics
- High Grade pure NBR: 40° Shore
From £28.12 Excl. VAT
This product is available for bespoke manufacturing, please choose an option below:
Chemical Resistances
Coru189 Halogen Free Black Nitrile to BS2751 BA40Â is a high grade pure NBR (acrylonitrile butadiene) nitrile sheeting to British Standard BS2751/BA40 specification, made to exacting standards suitable for use with oils, fuels, greases and water, with excellent mechanical and physical characteristics.
N.B. Available in plain or self-adhesive backed tape (SAB) alternatives. Bespoke sheets and gaskets are available, as well as customised rubber strips. Email your enquiries to sales@coruba.co.uk.
Material Profile (see below):
- Thickness: 1mm to 6mm (other thickness’ on request)
- Sheet Size: 1.4m wide in 10m rolls
- Finish: Smooth finish
- Cutting: Standard press-tools
Other grades, colours and finishes are available – subject to minimum batch quantities.
|
PROPERTIES |
TEST METHOD | VALUES |
|
METRIC UNITS |
||
| DENSITY (Mg/m3) | BS 903: PART A1 |
1.10 ± 0.02 |
|
HARDNESS |
BS903: PART A26 | 40 (+ 5-4) IRHD |
| TENSILE STRENGTH (MIN) | BS 903: PART A2 |
7 Mpa |
|
ELONGATION AT BREAK (MIN) |
BS 903: PART A2 | 600% |
| COMPRESSION SET (70ºC/24 HRS/25% SET) (MAX) | BS 903: PART A6 |
30% |
|
TEAR RESISTANCE ( ANGULAR ) MIN |
BS 903: PART A3 | 30 Kg/cm |
| RESISTANCE TO ACCELERATED AGEING- 168HRS AT 70ËšC | BS 903: PART A19 |
|
|
— HARDNESS (Pts) |
BS 903: PART A26 | + 10 (MAX) |
| — TENSILE STRENGTH (%) | BS 903: PART A2 |
-10 (MAX) |
|
— ELONGATION AT BREAK (%) |
BS 903: PART A2 | -35 (MAX) |
| VOLUME SWELL: AT 40ËšC FOR 24 HRS/IN | BS 903: PART A16 |
|
|
FUEL B |
+ 30 (MAX) | |
| RESISTANCE TO LOW TEMPERATURE IN ºC AT WHICH THE
STIFNESS SHALL NOT EXCEED 70 MPA |
BS 903: PART A13 |
-30 |
|
ADHESION TO AND CORROSION OF METALS AT 70ºC / 168 HRS |
BS 903: PART A 37 | MEETS REQUIREMENTS |
| POLYMER CONTENT (NITRILE) |
100% |
|
|
ADDITIONAL INFORMATION – |
||
| CHEMICAL RESISTANCE |
|
|
|
— OZONE |
BS 903: PART A 43 | FAIR |
| — DILUTE ACIDS AND BASES | BS 903: PART A16 |
GOOD |
|
— CONCENTRATED ACIDS AND BASES |
NOT RECOMMENDED | |
| — MINERAL OIL/PETROLEUM |
EXCELLENT |
|
|
— SOLVENTS |
FAIR | |
| TEMPERATURE RANGE |
-30Ëš to +120ËšC |
|
|
COLOUR |
BLACK | |
| VOLUME SWELL: AT 70°C FOR 72 HRS/IN |
VALUES |
|
|
IRM / ASTM OIL NO.1 |
– 3 % | |
| IRM / ASTM OIL NO.2 |
– 2% |
|
|
IRM / ASTM OIL NO.3 |
+ 10% |
|
|
PROPERTIES |
TEST METHOD | VALUES |
|
METRIC UNITS |
||
| DENSITY (Mg/m3) | BS 903: PART A1 |
1.10 ± 0.02 |
|
HARDNESS |
BS903: PART A26 | 40 (+ 5-4) IRHD |
| TENSILE STRENGTH (MIN) | BS 903: PART A2 |
7 Mpa |
|
ELONGATION AT BREAK (MIN) |
BS 903: PART A2 | 600% |
| COMPRESSION SET (70ºC/24 HRS/25% SET) (MAX) | BS 903: PART A6 |
30% |
|
TEAR RESISTANCE ( ANGULAR ) MIN |
BS 903: PART A3 | 30 Kg/cm |
| RESISTANCE TO ACCELERATED AGEING- 168HRS AT 70ËšC | BS 903: PART A19 |
|
|
— HARDNESS (Pts) |
BS 903: PART A26 | + 10 (MAX) |
| — TENSILE STRENGTH (%) | BS 903: PART A2 |
-10 (MAX) |
|
— ELONGATION AT BREAK (%) |
BS 903: PART A2 | -35 (MAX) |
| VOLUME SWELL: AT 40ËšC FOR 24 HRS/IN | BS 903: PART A16 |
|
|
FUEL B |
+ 30 (MAX) | |
| RESISTANCE TO LOW TEMPERATURE IN ºC AT WHICH THE
STIFNESS SHALL NOT EXCEED 70 MPA |
BS 903: PART A13 |
-30 |
|
ADHESION TO AND CORROSION OF METALS AT 70ºC / 168 HRS |
BS 903: PART A 37 | MEETS REQUIREMENTS |
| POLYMER CONTENT (NITRILE) |
100% |
|
|
ADDITIONAL INFORMATION – |
||
| CHEMICAL RESISTANCE |
|
|
|
— OZONE |
BS 903: PART A 43 | FAIR |
| — DILUTE ACIDS AND BASES | BS 903: PART A16 |
GOOD |
|
— CONCENTRATED ACIDS AND BASES |
NOT RECOMMENDED | |
| — MINERAL OIL/PETROLEUM |
EXCELLENT |
|
|
— SOLVENTS |
FAIR | |
| TEMPERATURE RANGE |
-30Ëš to +120ËšC |
|
|
COLOUR |
BLACK | |
| VOLUME SWELL: AT 70°C FOR 72 HRS/IN |
VALUES |
|
|
IRM / ASTM OIL NO.1 |
– 3 % | |
| IRM / ASTM OIL NO.2 |
– 2% |
|
|
IRM / ASTM OIL NO.3 |
+ 10% |
|