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Explanation of Units of Measurement |
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| Notched Izod Impact Strength Units | | KJ/m²: | KiloJoules per square metre | (standard units) | | J/m: | Joules per metre | (optional units) | | Conversion depends on specimen dimensions, but for the most common specimen (type 1, with notch A), 1 KJ/m² is approximately 8 J/m. If the property is an unnotched value, then for the same specimen (type 1) 1 KJ/m² is approximately 10 J/m. | | Tensile Strength and Flexural Strength Units | | Mpa: | MegaPascals | (standard units) | | MN/m²: | MegaNewtons per square metre | (optional units) | | N/mm²: | Newtons per square millimetre | (optional units) | Conversion is simple, all of the above units have exactly the same value.
1 Mpa = MNm² = 1 N/mm² | | Falling Dart Impact Strength Units | | J: | Joules | (standard units) | | KJ: | KiloJoules | (standard units) | | J/mm: | Joules per millimetre | (optional units) | | Conversion: | (i) 1 KJ = 1000 J
(ii) 1 J/mm = 1 J divided by sheet thickness | | | | Vicat Softening Temperature and Heat Deflection Temperature Units | | ºC: | Degrees Celsius or Centigrade | (standard units) | | (Being the temperature at which the material softens as defined by the test). | | UL94 Flammability Resistance Units | | mm: | millimetres | (standard units) | | (Being the minimum sheet thickness that can pass the test conditions). | | Alternatively, for a fixed sheet thickness, the UL94 test that the product meets may be quoted, as defined in order of severity of the most commonly applied tests: | V-0 Vertical Burn, Grade 0
V-1 Vertical Burn, Grade 1
V-2 Vertical Burn, Grade 2
HB Horizontal Burn |
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Technical Data 
