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Rubber Additives

The rubber additives of TAOKA are classified by function into “resin crosslinking agents,” “tackifiers,” and “kneading type vulcanizing adhesives.”
TACKIROL®, when used as a “resin crosslinking agent” using no sulfur, is mainly applied as a crosslinking agent for butyl rubbers and halogen butyl rubbers, and delivers excellent performance in providing the physical properties of rubber and heat resistance. It is primarily used in automobile tires.
When used as a “tackifier,” TACKIROL® is used in natural rubber and synthetic rubbers. We also offer special tackifiers for EPDM.
SUMIKANOL®, which is a “kneading type vulcanizing adhesive,” delivers an excellent performance in vulcanizing adhesion between steel and rubber.

Rubber Additive Catalog (PDF)

Resin crosslinking agents

TACKIROL® 201, 250-, 250-

Used as resin crosslinking agents for butyl rubbers and deliver an excellent performance in providing the physical properties of rubber and heat resistance.

Product name PropertiesApplication
Softening pointAsh contentAcid value
TACKIROL® 20178℃〜93℃0.1% or lower10〜30Bladder, capacitor packing
TACKIROL® 250-75℃〜95℃1.0% or lower-Bladder, rubber hose
TACKIROL® 250-75℃〜95℃1.0% or lower-Bladder, rubber hose

TACKIROL® AP, V-200

Used as crosslinking agents for halogen butyl rubbers, and deliver an excellent performance in providing the physical properties of rubber.

Product namePropertiesApplication
Softening pointAsh contentAcid value
TACKIROL® AP90℃〜110℃0.3% or lower-Tire
TACKIROL® V-20090℃〜110℃0.3% or lower-Tire

Kneading type vulcanizing adhesives

SUMIKANOL® 610, 620

Used in combination with SUMIKANOL 507AP. They deliver excellent performance in vulcanizing adhesive between synthetic fiber for the rubber reinforcement or steel cords and rubber.

Product namePropertiesApplication
Softening pointAsh contentAcid valueMoisture content
SUMIKANOL® 61092℃〜107℃0.7 or lower10 or lower2% or lowerTire, conveyor belt
SUMIKANOL® 62090℃〜110℃2.0% or lower-2% or lowerTire, conveyor belt

SUMIKANOL® 507AP

Formalin generator which is used in combination with SUMIKANOL 610 or 620.

Product nameProperties
Active componentAsh content
SUMIKANOL® 507AP65%30%