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Flash point is the lowest temperature at which a liquid will form an explosive vapour under normal atmospheric conditions. It is an important measure of volatility and allows appropriate safety measures to be taken when transporting, storing or handling flammable liquids.
Liquids are classified on the basis of flash point measurement: extremely flammable, having a flash point lower than 0 oC and a boiling point less than 35 oC; highly flammable, having a flash point below 21 oC; flammable, having a flash point between 21 oC and 55 oC.
A liquid with a flash point in the range 32 oC - 55 oC may not require as many precautions in use as it will not form an explosive atmosphere unless it is stored at elevated temperature.
Our laboratory offers Setaflash flash point testing, Pensky Martens open cup flash point testing, Pensky Martens closed cup flash point testing, Abel flash point testing, Tag flash point testing and Cleveland open cup flash point testing to a variety of test standards and methods as follows:
| Flash point testing |
Comments |
Test standard |
| Setaflash flash point testing (small scale) |
Ideal for research purposes, using just 2 ml of sample for tests up to a temperature of 100 oC and 4 ml of sample above 100 oC. |
ASTM D3278, ASTM D3828, ASTM D7236, ASTM E502, BS 3900 Part A13, BS 6664 Parts 3 & 4, BS EN 456, CHIPS Regulations, Classification of Dangerous Goods for Carriage: Viscous and Non-viscous Liquids, EPA 1020 A & B, IP 303 (obs) Parts 1 & 2, IP 523, IP 524, IP 534, ISO 3679, ISO 3680, UN Class 3 Non-viscous Flammable Liquids |
| Pensky Martens flash point testing - open cup. |
Open cup method |
IP 35 BS2000-35 |
| Pensky Martens flash point testing - closed cup. |
Equilibrium method |
AASHTO T73-811, ASTM D93, ASTM E502, BS 2000 Parts 35 & 404, EN 22719, FTM 791 1102, IP 34, IP 35, IP 404, ISO 15267, ISO 2719, JIS K2265, NF M07-019 |
| Abel flash point testing |
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BS 2000 Parts 33 (obs) & 170, IP 170, IP 33 (obs), ISO 13736 |
Tag flash point testing
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ASTM D56 (Tag Closed Cup)
ASTM D3143 (Tag Open Cup)
AASHTO T79 (Tag Open Cup) |
| Cleveland open cup flash point testing |
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ASTMD92, AASHTO T48 (COC) IP 36, EN ISO 2592 (COC) |
| Flash point tests can be undertaken to numerous standards - please phone the lab for details |
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