optimization of accelerator mixing ratio for epdm rubber,in this study, we experimentally analyzed the changes in the properties of epdm rubber depending on the vulcanization accelerator to improve the mounting performance of the grommet, and
Classification: Chemical auxiliary agent
Purity: 96%~99%
Type: adsorbent
Appearance: gray white or light yellow
Usage: rubber auxiliary agents
Packing: 25kg/bags or as per customers' requirement
in rubber tire production, three popular types of rubber vulcanizing accelerators exist that are similar in appearance (i.e., 2-mercaptobenzothiazole, 4,4 classification of rubber vulcanizing accelerators based on particle swarm optimization extreme learning machine and terahertz spectra springerlink
Classification: Chemical auxiliary agent
Purity: 98%-99%
Type: tyre accelerator
Appearance: grayish-white or light yellow powder or granular
Usage: coating auxiliary agents, leather auxiliary agents
Packing: 25kgs net bags or 500kgs net super bags
vulcanization of rubbers by sulfur alone is an extremely slow and inefficient process. the chemical reaction between sulfur and the rubber hydrocarbon occurs mainly at the c = c (double bonds) and each crosslink requires 40 to 55 sulphur atoms (in the absence of accelerator).
Classification: Chemical rubber accelerator
Purity: 98%
Type: adsorbent
Appearance: grey-white powder
Usage: tyres, rubber, plastic, adhesive tape, wires
Packing: 20kg kraft bags,500kgs/pallet
diphenylguanidine (dpg) is often used as the secondary accelerator in the vulcanization process of natural rubber (nr) latex. however, dpg would make nr latex emulsion exhibit gelation, resulting in the negative vulcanization efficiency.
Classification: Chemical rubber accelerator
Purity: 97%
Type: accelerator, rubber accelerator
Appearance: white powder
Usage: generally used for natural and synthetic rubbers.
Packing: 25kg/paper-poly pouch
the most important properties of rubber vulcanisates such as mechanical strength, fatigue, compression set and thermo-oxidative stability are primarily determined by the nature and type of cross-links produced during vulcanisation. a conventional high sulphur low accelerator system producing a high percentage of
Classification: Chemical rubber accelerator
Purity: 98.0% MIN
Type: Accelerator
Appearance: white powder
Usage: rubber auxiliary agents
Packing: 25kg/paper-poly pouch
accelerator activators. 13 2.5. sulfur-free cross-linking agents. 13shear, depending on the sample deforma-tion 11. important industrial parameters canthe rubber compound before
Classification: Chemical vulcanizing accelerator
Purity: 98%
Type: Accelerator
Appearance: white powder
Usage: coating auxiliary agents, leather auxiliary agents
Packing: 1 kg/bag, 25 kg/bag, 25 kg/drum
vulcanization accelerators widely used in industry can be divided into three series: (1) guanidine based accelerators, such as diphenylguanidine (dpg); (2) dithiocarbamic acid based accelerators, such as tmtd; and (3) 2-mercaptobenzothiazole based accelerators, such as mbts.
Classification: Chemical rubber accelerator
Purity: 96.5%
Type: adsorbent
Appearance: gray white or light yellow
Usage: rubber auxiliary agents, rubber accelerator
Packing: 20kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag.
vulcanization accelerator dm (mbts) (qualified product) by shandong stair chemical technology is a 2'-dibenzothiazole disulfide grade with slight bitter taste. vulcanization accelerator dm (mbts) (qualified product) acts as a vulcanization accelerating agent. it is suitable for use in tires, rubber pipes, shoes and tapes.
Classification: Chemical vulcanizing accelerator
Purity: 97%
Type: accelerator, rubber accelerator
Appearance: powder
Usage: rubber auxiliary agents, surfactants
Packing: 25 kg/bag, 500 kg/bag, 650 kg/bag, 1300 kg/bag
1. can use in natural rubber, synthetic rubber, reclaimed rubber 2. has similar use function as accelerator m, but higher vulcanization critical temperature(130ºc) 3. accelerator dm is one of the most used accelerator in rubber industry 4. very wide use application
Classification: Chemical vulcanizing accelerator
Purity: 92-95%
Type: adsorbent
Appearance: white or light yellow powder or granules
Usage: tyres, rubber, plastic, adhesive tape, wires
Packing: 1kg/bag,25kg/bag,25kg/drum,200kg/drum. according to customer requirements.
abstract. this study of vulcanization has revealed that in low unsaturation epdm elastomers prepared with ethylidenenorbornene— 1. stearic acid can be a useful additive for vulcanization. increasing concentration in the range 0-4 phr leads to faster curing and reduced polysulfidic crosslink concentration at a given crosslink density. 2.
Classification: Chemical auxiliary agent
Purity: 95%
Type: tyre accelerator
Appearance: white powder
Usage: rubber auxiliary agents, rubber accelerator
Packing: 25kgs net bags or 500kgs net super bags
the preparation method comprises the following steps of: (1) adding 500 parts by mass of m-na salt solution with the mass percentage of 10-50 percent and 0.1-10 parts by mass of catalyst a to a.
Classification: Chemical auxiliary agent
Purity: 98%-99%
Type: tyre accelerator
Appearance: cream-colored powder/granule
Usage: plastic auxiliary agents
Packing: 25kg bags or customized
high-speed vulcanization accelerator without rubber dyeing. suitable for nr, ir, br, sbr, nbr, epdm and latex. when used in dry rubber, it has the same properties as mbt and has excellent resistance to scorching. mildly active in latex systems and often used in combination with super accelerators.
Classification: Chemical auxiliary agent
Purity: 97%
Type: rubber accelerator
Appearance: gray white or light yellow
Usage: leather auxiliary agents, rubber auxiliary agents
Packing: in 20/25kgs net bag
the invention discloses a production process of rubber vulcanization accelerator dm, which comprises adding 10-500g m-nh3 salt into a high-pressure reactor which is provided with catalysis.
Classification: Chemical rubber accelerator
Purity: 95%
Type: rubber accelerator
Appearance: white or pale yellow granular
Usage: petroleum additives, rubber auxiliary agents
Packing: 25kg/drum;25kg/bag
1.1 common products: accelerator m, dm, mz, mtt, bt. 1.2 main features: acidic accelerator, is the organic accelerator in the early use of varieties, with high vulcanization activity, can give rubber good aging resistance and fatigue resistance. as an intermediate, it is widely used in the rubber industry and has a large consumption.
Classification: Chemical auxiliary agent
Purity: 97%5
Type: adsorbent
Appearance: gray violet granule
Usage: plastic auxiliary agents, rubber auxiliary agents, surfactants
Packing: 25kg paper- plastic compound bag inner with pe bag
including thiazoles (m, dm), sulfenamides (cz, ns, nobs, dz), sulfenimides (tbbs).main accelerator can usually delay scorch, has a medium to fast vulcanization rate, and has a good modulus.
Classification: Chemical vulcanizing accelerator
Purity: 96%~99%
Type: additive
Appearance: gray-white or white powder
Usage: leather auxiliary agents, rubber auxiliary agents
Packing: 25kg plastic woven bag
vulcanizing agent dtdm synonym: dithiodimorpholine. property: crystalline substance,soluble in hot ethyl alcohol and benzene. appearanec :white or light grayish yellow crystal. standard: q/imfj003-1997 use: sulfur donor. adjusts network structure of vulcanized rubber. heat,fatigue and reduction resistant.no frosting and no burnt rubber.
Classification: Chemical auxiliary agent
Purity: 99%9
Type: accelerator, rubber accelerator
Appearance: powder
Usage: generally used for natural and synthetic rubbers.
Packing: 1kg 25kg 200kg 1000kg
the invention discloses a novel production process of rubber vulcanization accelerator dm, which comprises adding 10-500g m-nh3 salt into a reactor, dripping mixture solution of hydrogen.