Here sharing 4 classic formulations of EPDM Hose manufacturing for reference and discussing with others.
1, Formula for EPDM Auto Radiator Coolant Hose
Oil-filled EPDM 70
Epdm rubber 50
Zinc oxide 3
Stearic acid 1
N650 carbon black 130
N990 carbon black 140
Paraffin oil 120
Accelerator BZ 2
Accelerator PZ 2
Accelerant TMTD 3
Accelerator DTDM 2
The sulfur 0.5
Note: 160 ° C +30min H: 70°
Oil-filled EPDM: ethylene content 75% filled with naphthenic oil 30% ML---1+4--100℃ 55 EPDM: ethylene content 68% ML1+4100℃ 57
2, Formula for EPDM Hose High Temperature Water Vapor Resistance
Epdm rubber 100
Zinc oxide 5
Stearic acid 1
Antiaging agent RD 1.8
Antiaging agent D 0.5
N762 carbon black 65
Crosslinking agent DCP 2.8
Cross-linking agent TAC 1.5
Note: First curing: 180℃+8min Second curing: 150℃+2h H: 78°
Epdm: the third monomer ENB iodine value: 26 mL-1 +4 100℃ 45 ethylene content: 43
3, Formula for EPDM Steam Hose
Epdm rubber 100
Zinc oxide 5
Stearic acid 1
N550 carbon black 75
N990 carbon black 75
Paraffin oil 2280 75
Accelerator M 1.75
Accelerator PZ 0.75
Accelerant TMTM 0.75
Accelerator TE 0.75
The sulfur 2
4, EPDM high temperature alkali resistant hose formula
Epdm 100
Zinc oxide 5
Stearic acid 1
N330 carbon black 60
Talcum powder 15
Oil 50 # 5
DCP 4
Note: The above 4 formula are just for reference,discuss and communication, there will be different formula basing on the different processing technology and production machines and application.
Post time: Nov-19-2021