Polymer chemicals & curing agents
Select the material and review the application, grade and documentation requirements.
Download catalogue (English PDF)Reference values support grade selection; they are not a batch certificate. Final specifications and supply conditions are confirmed for the selected grade. Request the current TDS, SDS and COA from WKDT.
Methyl ethyl ketone peroxide (MEKP)
| Application | Peroxide formulations for curing unsaturated polyester and vinyl ester systems. |
|---|---|
| Form & grade | Formulated liquid grades. |
| Reference data | CAS: 1338-23-4 Grade selection by resin system and cure response |
| Selection points | Compare active oxygen, gel/cure performance, carrier and current SDS for the exact grade. |
Dibenzoyl peroxide (BPO)
| Application | Organic peroxide grades for thermoset curing applications. |
|---|---|
| Form & grade | Formulated dispersions, powders or granules. |
| Reference data | CAS: 94-36-0 Concentration and carrier vary by formulation |
| Selection points | Confirm formulation, dispersion requirements and grade-specific handling documents. |
tert-Butyl peroxybenzoate (TBPB)
| Application | Perester option for thermoset resin curing systems. |
|---|---|
| Form & grade | Liquid peroxide grades. |
| Reference data | CAS: 614-45-9 Select grade for the specified resin and process |
| Selection points | Review cure profile, active oxygen, carrier and required transport/storage conditions in the SDS. |
Ammonium persulfate (APS)
| Application | Initiator for water-based polymerization; oxidation applications. |
|---|---|
| Form & grade | Crystalline persulfate salt. |
| Reference data | Formula: (NH4)2S2O8; molar mass: 228.2 g/mol Reference grade purity: >=99.0% Reference active oxygen: >=6.94% |
| Selection points | Confirm particle size, additive content, moisture and lot COA; use the current grade-specific SDS. |
Sodium persulfate (SPS)
| Application | Polymerization initiation and chemical etching applications. |
|---|---|
| Form & grade | Crystalline persulfate salt. |
| Reference data | Formula: Na2S2O8; molar mass: 238.1 g/mol Reference grade purity: >=99.0% Reference active oxygen: >=6.65% |
| Selection points | Confirm particle size, additive content, moisture and lot COA; use the current grade-specific SDS. |
Potassium persulfate (KPS)
| Application | Polymer manufacturing and paper-treatment applications. |
|---|---|
| Form & grade | Crystalline persulfate salt. |
| Reference data | Formula: K2S2O8; molar mass: 270.1 g/mol Reference grade purity: >=99.0% Reference active oxygen: >=5.86% |
| Selection points | Confirm particle size, additive content, moisture and lot COA; use the current grade-specific SDS. |