Standards for quality control in polymer and plastics production

Parameter
Standard
Matrix
Method
pH value
DIN EN ISO 1264:1997
ISO 8975:1992
Vinyl chloride resins
Plastic, phenolic resins
pH value
Electrical conductivity ISO 9944:1990 Plastics, phenolic resins
Conductivity
(Total) Acid number ASTM D1386-10
ASTM D1639-90
ISO 2114:2006
Synthetic and natural waxes
Organic coating materials
Polyester resins, paints and varnishes (binders)
Titration
Amine groups ISO 9702:1996 Amine epoxide hardeners
Chlorine content ASTM D1847-93 Epoxy resins
Hydrolyzable chloride ASTM D1726-03 (Liquid) Epoxy resins
Epoxide equivalent ISO 3001:1999 Epoxide compounds
Free phenols ISO 119:1977 Phenol-formaldehyde mouldings
Hydroxyl groups ASTM E1899-08 Polyol (in PU production)
Hydroxyl value ISO 2554:1997 Unsaturated polyester resins
Vinyl acetate content ISO 8985:1998 Ethylene-vinyl acetate copolymers (EVA) and further
thermoplastics (VA/AA, PVA, PVCA)
Formaldehyde content ISO 11402:2004 Phenolic and amino resins
Water ASTM D6869-03
ISO 15512:2014
SH/T 1770-2010
Plastics

Polyethylene (PE)
KFT
Thermostability ISO 182 Part 3: 1993 Vinyl chloride homo-/copolymers Oxidation stability
Bromine DIN EN 62321-3-2 Halogen-free cable and wires Combustion Ion Chromatography