Pre dispersed vulcanizing agent

Product

% Active chemical components

Rubber carrier

appearance

application characteristics

Mother film S-50

50% sulfur

EPDM/EVM

Light yellow flakes

Tailored pre dispersed master film sulfur S-50 for customers, improving the rapid mixing and good dispersion and distribution of sulfur powder during mixing. Vulcanizing agents for NR and diene rubber.

Mother rubber particle S-70/NBR

75% sulfur

NBR

Light yellow flakes

Tailored pre dispersed master film sulfur S-75 for customers, improving the rapid mixing and good dispersion and distribution of sulfur powder during mixing. The NBR carrier enhances the compatibility, dispersibility, and co sulfurization of sulfur in polar rubber compounds such as NBR.

Mother rubber particle S-70/ECO

70% sulfur

ECO

Light yellow particles

Chlorohydrin rubber ECO and CO's vulcanizing agent. The ECO carrier improves the compatibility, dispersion and co-vulcanization of sulfur in the ECO/CO rubber compound.

Mother rubber particle S-80

Mother rubber particle S-80/SBR

Mother rubber particle S-80/SBR/IR

Mother film S-80/NBR

80% sulfur

EPDM/EVM

SBR

SBR/IR

NBR

Light yellow particles

Light yellow particles

Light yellow particles

Light yellow particles

Pre dispersed sulfur S-80 can be quickly mixed and well dispersed and distributed during mixing, improving its sulfurization activity. The SBR carrier enhances the compatibility, dispersibility, and co sulfurization of sulfur in non-polar rubber materials such as NR and SBR; The NBR carrier enhances the compatibility, dispersibility, and co sulfurization of sulfur in polar rubber compounds such as NBR.

Mother rubber particle IS7520-80

Mother rubber particle IS7520-80/SBR

Mother rubber particle IS90-65

IS90-65/SBR masterbatch

65% total sulfur (60% insoluble sulfur+5% sulfur)

65% total sulfur (60% insoluble sulfur+5% sulfur)

65% total sulfur (60% insoluble sulfur+5% sulfur)

65% total sulfur (60% insoluble sulfur+5% sulfur)

EPDM/EVM

SBR/IR

EPDM/EVM

SBR/IR

yellow granules

yellow granules

yellow granules

yellow granules

Pre dispersed insoluble sulfur accelerates the mixing speed and can achieve good dispersion and distribution in a short period of time. SBR/IR carriers are more suitable for use in tire rubber materials.

? Product

% Active chemical components

Rubber carrier

appearance

application characteristics

Mother rubber particle IS7020-80

Mother rubber particle IS7020-80/SBR

65% total sulfur (56% insoluble sulfur+9% sulfur)

65% total sulfur (56% insoluble sulfur+9% sulfur)

EPDM/EVM

SBR/IR

yellow granules

yellow granules

Pre dispersed insoluble sulfur accelerates the mixing speed and achieves good dispersion and distribution in a short period of time. SBR/IR carriers are more suitable for use in tire rubber materials.

Mother rubber granules

HD OT 20-80/SBR

Mother rubber granules

HD OT 20-80

80% insoluble sulfur

HD OT 20

80% insoluble sulfur

HD OT 20

SBR

EPDM/EVM

yellow granules

yellow granules

Pre dispersed insoluble sulfur accelerates the mixing speed and achieves good dispersion and distribution in a short period of time. SBR/IR carriers are more suitable for use in tire rubber materials.

Rubber particle DTDC-80

80% Dithiodicarbonamide

EPDM/EVM

Milk white granules

DTDC-80 is a substitute for DTDM-80 and does not release carcinogenic nitrosamines, making it an environmentally friendly sulfur carrier.

Mother rubber particle DTDM-80

80% Dithiomorpholine

EPDM/EVM

gray particles

DTDM-80 releases free sulfur, which is different from general sulfur. It mainly forms single sulfur bonds and disulfide bonds, and the vulcanized rubber has excellent heat aging resistance. Used in rubber materials with high requirements for compression permanent deformation and aging performance.

Mother rubber particle HT45

(Non brominated vulcanized resin)

Mother rubber particle HT55

(Brominated vulcanized resin)

70% (42% vulcanized resin+26% ZnO+2% others)

IIR

IIR

Milk white granules

Milk white granules

HT45 and HT55 are pre dispersed vulcanized resins in which vulcanized resin and zinc oxide are dispersed in IIR. It is used for vulcanization of IIR, EPDM, and halogenated butyl rubber, especially suitable for tire vulcanization capsules and water tires, to avoid surface bubbles and improve the service life of the capsules.

HMDC-70/AEM masterbatch

70% hexamethylenediamine aminoformate

AEM

white granules

HMDC-70/AEM is mainly a vulcanizing agent for AEM, usually using DOTG-70 as a promoter, and is also used for ACM, ECO/CO rubber products.

Mother rubber particle TCY-70/AEM

Mother rubber particle TCY-70/ECO

70% 2,4,6-trimercapto-S-triazine

70% 2,4,6-trimercapto-S-triazine

AEM

ECO

yellow granules

yellow granules

TCY-70 is a vulcanizing agent for rubber such as AEM/ACM, ECO/CO, CR, etc. It has a short scorch time and is usually treated with anti scorch agents CTP-80, CTT-70, or V.E-80 to improve processing safety.