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OF-7

Alkylphenol Disulfide Vulcanizing agent



Description

Alkylphenol disulfide contains the active sulfur which can vulcanize rubber at heating, and avoid blooming. The vulcanizate has high tensile strength and excellent heat-resistance.

Specification

Item Index
Appearance Light yellow to brown granular
Softening Point (Ball and ring), ℃ 95~115
Sulfur Content, %, 29.5~31.5

Application

OF-7 is a vulcanizing agent of sulfur donor type, used for NR, SR, replacing partly or completely the sulfur donor in semi/full efficient vulcanizing systems. It is used mainly in the tire rubber of inner lining layer, the tire side, the tire tread and triangle etc, also used for gasket, conveyor belts, car rubber hoses, shock absorption products etc. Because of the alkyl phenol groups contained, OF-7 has the viscous and antioxidant effect. Especially in curing the compound of NR, CIIR, BrIIR, IIR and EPDM, it makes synchronous vulcanization, but unlike DTDM, giving no nitrosamines toxic gas, provides high tensile strength and heat aging excellence.

The referenced dosage is 0.5~5 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 25 kg net each; Up to buyer's requirement. Store indoor, drying and ventilating.

OF-203

Octyl-phenolic Tackifying Resin



Description

OF-203 is a thermoplastic alkyl-phenolic resin.It has good compatibility with rubber and good tack retention. It can improve the age-resistance and chemical stability without effecting on physical and chemical properties of sulfurized rubber.

OF-203 resin is granule, for convenient batching and easy dispersing. It is soluble in solvent.


Application

The OF-203 is an effective tackifier of NR and several SR, widely used for tire, conveyor belt etc. Especially it can increase the rubber glutinosity for radial tire. It improves molding quality as well as the entire product properties to achieve ideal designed results. The reference dosage is 2~5 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 25 kg net each. Keep in indoor, drying and ventilating.

OF-710

Alkylphenol Disulfide Vulcanizing agent



Description

Alkylphenol disulfide (APDS) curing agent contains the active sulfur which can vulcanize rubber at heating, no blooming, providing the compound with high tensile strength and excellent heat-resistance.

Specification

Item Index
Appearance Yellow brown to dark brown granular
Softening Point (Ball and ring), ℃ 75~95
Sulfur Content, %, 25~28

Application

OF-710 is a new type of nitrosamine-free sulfur donor, replacing partly or completely sulfur and DTDM in efficient/semi-efficient vulcanizing systems. It is used mainly in the tire rubber of innerlinner, the sidewall and the tread, also used for gasket, conveyor belts, car hoses, shock absorption products etc. Because of the alkyl phenol groups contained, OF-710 has the viscous and antioxidant effect. Especially in curing the compound of NR, CIIR, BrIIR, IIR and EPDM, it makes co-vulcanization, provides high tensile strength, excellent reversion, oxidation and heat aging resistance while giving no nitrosamines toxic gas and non staining.  

The referenced dosage is 0.5~5 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 25 kg net each. Store indoor, drying and ventilating.

OF-9

Rosin Bleaching agent OF-9



Description

OF-9 is a high efficient bleaching agent, catalyst & antioxidant for different rosin, rosin esters and the derivatives.

Chemical Name: Para-tert-butylphenol disulfide 


Application

Bleaching agent OF-9 is alkylphenol disulfide polymer, performs as a multifunctional agent for gum rosin and the derivatives as following:

(1)Excellent bleaching agent in the disproportionation of rosin or rosin esters. It reduces greatly the color of gum rosin and gum rosin ester.

(2)Excellent antioxidant in the disproportionation of rosin or rosin esters, improving the heat resistant and light resistant ability.

(3)Excellent catalysts in the disproportionation of rosin or rosin esters, speeding up the reaction.

(4)Excellent stabilizer in the disproportionation of rosin or rosin esters, prolonging the stability of gum rosin and rosin ester under light and heat exposure.


Advantages

Non-nitrosamine, environment -friendly

Lower tackiness to make it easier for stock and handling

Lower volatility

Lower volatile degradation

Excellent antioxidant properties


Package

25kgs/kraft bag; As per customer’s request. 


Storage & Shelf Life

Stored in dry & cool inhouse (below 86 F/30 C) in sealed original containers.

2 years if stored properly.

OF-1045

Octyl-phenolic Curing Resin



Description

OF-1045 is a heat-reactive p-tert-octylphenol formaldehyde resin with hydroxymethyl active groups.

OF-1045 is used for IIR, EPDM, NBR, CR and NR. It is soluble in aromatic hydrocarbon.

Specification

Item Index
Appearance light yellow-green transparent lump/slice
Softening Point(Ball and ring), ℃ 85~95
Methylol content, % 10.0~14.0
Ultraviolet Absorbance (450nm), ≤ % 1.5
Ultraviolet Absorbance (260~280nm),≤ % 0.1

Application

OF-1045 is used for tire, pharmaceutical bottle plug, paint, adhesive, roll etc.

OF-1045 is to be used with CR (5~10%of rubber) or metal chloride (2~5%of rubber) as activator. When OF-1045 is mixed with OF-1055, activator is not needed. The recommended dosage of OF-1045 is 8~12 phr.


Package and Storage

In paper/plastic combined sacks with inner film bag, 25 kg net each; Up to buyer's requirement. Keep in indoor, drying and ventilating.

OF-1055

Brominated p-tert-Octyl Phenolic Curing Resin



Description

OF-1055 resin is a brominated p-tert-octylphenol formaldehyde heat reactive resin. The clotting of OF-1055 is decreased during transit and storage because of higher softening point.

OF-1055 resin is made on a large scale, resulting in slight quality difference between batches.

OF-1055 is safe in use, with a faint halogen odor. It is soluble in toluene, xylene, acetone etc.

Specification

Item Index
Appearance yellow to red-brown transparent slice/lump
Softening Point,(Ball and ring),℃ 80~90
Methylol Content, % 9~13
Bromine Content, % 6.0 ~7.5

Application

OF-1055 is a curing agent for the rubber of low unsaturation value especially IIR and EPDM. OF-1055 resin easily disperses and operates, giving faster sulfurizing speed, no need of activator, simple composition, and good scorch safety.

OF-1055 resin is used for bladders, bottle stopper, seals, heat-resistant gasket, roll, pressure sensitive adhesives. The recommended dosage is 1.5~8 phr.


Package and Storage

In paper/plastic combined sack with inner film bag, 25 kg net each; Up to buyer's requirement. Store indoor, drying and ventilating.

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