Standards for quality control in polymer and plastics production

Parameter
Standard
Matrix
Method
pH value
DIN EN ISO 1264
ISO 8975
Vinyl chloride resins
Plastic, phenolic resins
pH value
Electrical conductivity ISO 9944 Plastics, phenolic resins
Conductivity
(Total) Acid number ASTM D1386
ASTM D1639
ISO 2114
Synthetic and natural waxes
Organic coating materials
Polyester resins, paints and varnishes (binders)
Titration
Amine groups ISO 9702 Amine epoxide hardeners
Chlorine content ASTM D1847 Epoxy resins
Hydrolyzable chloride ASTM D1726 (Liquid) Epoxy resins
Epoxide equivalent ISO 3001 Epoxide compounds
Free phenols ISO 119 Phenol-formaldehyde mouldings
Hydroxyl groups ASTM E1899 Polyol (in PU production)
Hydroxyl value ISO 2554 Unsaturated polyester resins
 EN ISO 4629-2 Binders for paints and varnishes
Vinyl acetate content ISO 8985 Ethylene-vinyl acetate copolymers (EVA) and further
thermoplastics (VA/AA, PVA, PVCA)
Formaldehyde content ISO 11402 Phenolic and amino resins
Water ASTM D6869
ISO 15512
SH/T 1770
Plastics

Polyethylene (PE)
KFT
Thermostability ISO 182-3 Vinyl chloride homo-/copolymers Oxidation stability
Bromine DIN EN 62321-3-2 Halogen-free cable and wires Combustion Ion Chromatography