Division (b) Energy requirement for firing (ERF) limit
United Kingdom
The energy requirement for firing (ERF) stages for ceramic tiles and clay tiles shall not exceed the following requirements:
| Requirement (MJ/kg) | Test method | |
|---|---|---|
| Ceramic and clay tiles | 3,5 | Technical appendix — A4 |
Assessment and verification: the applicant shall calculate the ERF according to the Technical appendix — A4 instructions and provide the related results and supporting documentation.