Materials — Process Challenge

Kautschuk- und Elastomer-Compoundierzusätze

Die Kautschuk-Compoundierung benötigt schwefelfunktionelle Silane, Verarbeitungsöle und Vulkanisationsrohstoffe
Updated Jun 2026
Lösungsansatz

RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.

Typical Selection Workflow
1
Process & Requirement Definition
Map the unit operation and define the functional, purity, and regulatory requirements the chemical input must meet.
2
Chemistry & Grade Selection
Match the solvent, intermediate, acid or base, catalyst, or specialty additive to the process and downstream compatibility.
3
Trial & Specification
Validate performance at bench or pilot scale, and set the grade, treat rate, and packaging to match throughput and handling.
4
Quality & Supply Assurance
Lock the spec with a CoA and secure multi-origin sourcing for supply resilience and consistent lot quality.
Recommended Chemistries (6)
Bis-(3-triethoxysilylpropyl)-tetrasulfide
CAS 40372-72-3
Siliconfluide & -öle
Konditionierung
Si-69 tetrasulfide silane couples precipitated silica to the rubber backbone and donates sulfur during cure, cutting rolling resistance in silica-filled compounds
Physical Description: Liquid, solid, or dry powder
Schnellansicht
Alle Details
Bis--disulfide
CAS 56706-10-6
Siliconfluide & -öle
Sulfide silane (Si-75) for tire compounds
Si-75 disulfide silane gives the same silica coupling with less premature scorch than the tetrasulfide
Physical Description: Solid, liquid, pellets or crystals, or dry powder
Schnellansicht
Alle Details
Mercaptopropyltrimethoxysilan
CAS 4420-74-0
Silane & Organosilane
Mercapto silane for rubber compounding
High-efficiency mercapto coupling agent for silica-reinforced rubber where maximum reinforcement is needed
Schnellansicht
Alle Details
2-Mercaptobenzothiazole (MBT)
CAS 149-30-4
Spezialadditive
Korrosionsschutz
2811 (2-MERCAPTOBENZOTHIAZOLE) · Class
MBT is the classic thiazole accelerator that speeds sulfur vulcanization of natural and synthetic rubber (catalog also assigns it a Crosslinking / Curing role)
Schmelzpunkt:177–181 °C   Siedepunkt:Decomposes   Dichte:1.42 at 20 °C
Schnellansicht
Alle Details
Naphthenic
CAS 64742-52-5
Spezialadditive
Naphthenisches Grundöl für wassermischbare Kühlschmierstoffe
Naphthenic process/extender oil that plasticizes the compound, aids filler dispersion and lowers Mooney viscosity during mixing
Schnellansicht
Alle Details
Ethylene propylene diene monomer
CAS 25038-36-2
Spezialadditive
Filmbildung
EPDM base elastomer for weather/ozone-resistant seals and roofing compounds
Schnellansicht
Alle Details

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