BS EN ISO 294-4:2003 2010
$102.76
Plastics. Injection moulding of test specimens of thermoplastic materials – Determination of moulding shrinkage
| Published By | Publication Date | Number of Pages |
| BSI | 2010 | 22 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 5 | TitlePage – Plastics�— Injection moulding of test specimens of thermoplastic materials�— |
| 7 | TableofContent – Contents Page |
| 8 | Foreword – Foreword |
| 9 | Introduction – Introduction |
| 11 | Scope – 1��� Scope NormativeReference – 2��� Normative references |
| 13 | Clause1 – 4��� Apparatus UntitledSubclause2 – 4.1��� Type�D2 ISO mould UntitledSubclause2 – 4.2��� Injection-moulding machine UntitledSubclause2 – 4.3��� Measuring equipment UntitledSubclause2 – 4.4��� Oven Clause1 – 5��� Procedure Subclause2 – 5.1��� Conditioning of material Subclause2 – 5.2��� Injection moulding UntitledSubclause3 – 5.2.1��� For the basic injection-moulding conditions, see UntitledSubclause3 – 5.2.2��� The moulding shrinkage is preferably determined for one or more val… |
| 14 | UntitledSubclause3 – 5.2.3��� Determine the hold pressure |
| 15 | Subclause2 – 5.3��� Measurement of mould temperature Subclause2 – 5.4��� Measurement of melt temperature Subclause2 – 5.5��� Treatment of test specimens after demoulding UntitledSubclause3 – 5.5.1��� In order to minimize warpage, cut each test specimen from the runne… UntitledSubclause3 – 5.5.2��� Allow the test specimens to cool to room temperature by placing the… Subclause2 – 5.6��� Measurement of moulding shrinkage UntitledSubclause3 – 5.6.1��� Check by comparing the plate thickness, especially near the gate at… UntitledSubclause3 – 5.6.2��� If not already known, measure, at a temperature of UntitledSubclause3 – 5.6.3��� Before measuring the dimensions of a specimen, place it on a flat s… UntitledSubclause3 – 5.6.4��� Measure, at a temperature of |
| 16 | UntitledSubclause3 – 5.6.5��� Carry out the measurements using at least five test specimens for e… Subclause2 – 5.7��� Treatment following measurement of moulding shrinkage Subclause2 – 5.8��� Measurement of post-moulding shrinkage Clause1 – 6��� Expression of results Subclause2 – 6.1��� Moulding shrinkage Subclause2 – 6.2��� Post-moulding shrinkage Subclause2 – 6.3��� Total shrinkage |
| 17 | Clause1 – 7��� Precision Clause1 – 8��� Test report |
| 18 | AnnexInformative – Reference points for length and width measurement |
| 19 | Bibliography – Bibliography |
