*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.
Coru134 Tan Para Natural Rubber 40° shore. This product has a high abrasion resistance, being classed as a ‘Para-Natural’ (or pure-gum). Produced from natural latex, this material is designed for applications including chute lining, shot-blast cabinet lining and seals, blade scrapers etc.
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: 1.5mm to 25mm (other thickness’ on request)
- Sheet Size: 1.4m wide in 5m and 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 FPS UNITS |
TEST METHOD |
VALUES METRIC UNITS |
|
SPECIFIC GRAVITY |
DIN 53508 |
1.02 ± 0.05 |
ASTM D297 |
1.02 ± 0.05 |
|
HARDNESS |
DIN 53505 |
40 ± 5 SH A |
ASTM D2240 |
40 ± 5 SH A |
|
TENSILE STRENGTH ( MIN ) |
DIN 53504 |
2137 PSI |
ASTM D412 |
150 KG/CM2 |
|
ELONGATION AT BREAK ( MIN ) |
DIN 53504 |
600% |
ASTM D412 |
600% |
|
ABRASION RESISTANCE ( MAX ) |
DIN 53516 |
120 MM3 |
ASTM D5963 |
120 MM3 |
|
COMPRESSION SET (70ºC/24 HRS/25% COMPRESSION)(MAX) |
DIN ISO 815-1 |
30% |
ASTM D395 METHOD B |
30% |
|
TEAR RESISTANCE ( ANGULAR ) MIN |
DIN 53515 |
196 LBS/INCH |
ASTM D624 |
35 KG/CM |
|
CHANGE IN PROPERTIES AFTER |
|
|
|
|
|
HEAT AGEING FOR ( 72 HRS. AT 70 ºC ) |
|
|
ASTM D573 |
|
|
— HARDNESS (PTS) |
|
+ 5 (MAX) |
|
+ 5 (MAX) |
|
— TENSILE STRENGTH (%) |
|
+ 10 / – 25 |
|
+ 10 / – 25 |
|
— ELONGATION AT BREAK (%) |
+ 10 / – 25 |
|
+ 10 / – 25 |
|
|
VOLUME SWELL : AT 70ºC FOR 72 HRS |
|
|
ASTM D 471 |
|
|
IN IRM OIL NO.1 |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
IN IRM OIL NO.2 |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
IN IRM OIL NO.3 |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
CHEMICAL RESISTANCE |
|
|
|
|
|
— OZONE |
|
FAIR |
ASTM D 1149 |
FAIR |
|
— DILUTE ACIDS AND BASES |
|
GOOD |
|
GOOD |
|
— CONCENTRATED ACIDS AND BASES |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
— OILS |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
— SOLVENTS |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
TEMPERATURE RANGE |
|
-25º TO + 70 ºC |
|
-25º TO + 70 ºC |
|
PROPERTIES |
TEST METHOD |
VALUES FPS UNITS |
TEST METHOD |
VALUES METRIC UNITS |
|
SPECIFIC GRAVITY |
DIN 53508 |
1.02 ± 0.05 |
ASTM D297 |
1.02 ± 0.05 |
|
HARDNESS |
DIN 53505 |
40 ± 5 SH A |
ASTM D2240 |
40 ± 5 SH A |
|
TENSILE STRENGTH ( MIN ) |
DIN 53504 |
2137 PSI |
ASTM D412 |
150 KG/CM2 |
|
ELONGATION AT BREAK ( MIN ) |
DIN 53504 |
600% |
ASTM D412 |
600% |
|
ABRASION RESISTANCE ( MAX ) |
DIN 53516 |
120 MM3 |
ASTM D5963 |
120 MM3 |
|
COMPRESSION SET (70ºC/24 HRS/25% COMPRESSION)(MAX) |
DIN ISO 815-1 |
30% |
ASTM D395 METHOD B |
30% |
|
TEAR RESISTANCE ( ANGULAR ) MIN |
DIN 53515 |
196 LBS/INCH |
ASTM D624 |
35 KG/CM |
|
CHANGE IN PROPERTIES AFTER |
|
|
|
|
|
HEAT AGEING FOR ( 72 HRS. AT 70 ºC ) |
|
|
ASTM D573 |
|
|
— HARDNESS (PTS) |
|
+ 5 (MAX) |
|
+ 5 (MAX) |
|
— TENSILE STRENGTH (%) |
|
+ 10 / – 25 |
|
+ 10 / – 25 |
|
— ELONGATION AT BREAK (%) |
+ 10 / – 25 |
|
+ 10 / – 25 |
|
|
VOLUME SWELL : AT 70ºC FOR 72 HRS |
|
|
ASTM D 471 |
|
|
IN IRM OIL NO.1 |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
IN IRM OIL NO.2 |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
IN IRM OIL NO.3 |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
CHEMICAL RESISTANCE |
|
|
|
|
|
— OZONE |
|
FAIR |
ASTM D 1149 |
FAIR |
|
— DILUTE ACIDS AND BASES |
|
GOOD |
|
GOOD |
|
— CONCENTRATED ACIDS AND BASES |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
— OILS |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
— SOLVENTS |
|
NOT RECOMMENDED |
|
NOT RECOMMENDED |
|
TEMPERATURE RANGE |
|
-25º TO + 70 ºC |
|
-25º TO + 70 ºC |