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sklademVydáno: 2011-10-31
BS EN ISO 13229:2011
Thermoplastics piping systems for non-pressure applications. Unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings. Determination of the viscosity number and K-value
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| Označení normy: | BS EN ISO 13229:2011 |
| Počet stran: | 12 |
| Vydáno: | 2011-10-31 |
| ISBN: | 978 0 580 73955 2 |
| Status: | Standard |
Popis
BS EN ISO 13229:2011
This standard BS EN ISO 13229:2011 Thermoplastics piping systems for non-pressure applications. Unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings. Determination of the viscosity number and K-value is classified in these ICS categories:
- 91.140.80 Drainage systems
- 23.040.20 Plastics pipes
This International Standard specifies a method for the determination of the viscosity number (also known as reduced viscosity) and K-value of an unplasticized poly(vinyl chloride) (PVC) resin derived from a pipe, fitting or compound.
In this International Standard, only the method for isolation (or separation) of the PVC resin is detailed, while the determination of the viscosity number is given in ISO 1628-2.
The presence of other additives or polymers can invalidate this method (see Clause 3).