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Our hot products chlorinated rubber

- Oct 14, 2018 -

Basic Information

Chemical formula of chlorinated rubber: -[C 10 H 11 Cl 7 -]-n

Molecular weight: 1500 ~ 115000

Density (20 ° C), g /: 1.5 ~ 1.7

Water absorption (24h)%: 0.1 to 0.3

Light stability (under UV light): stable

Flammability: non-combustible, non-combustible

Drying time (room temperature) h: 1~2

Sealing (oxidation, moisture): excellent

Wear resistance: excellent

Adhesion level, <:2

Salt tolerance d,>:5

Solubility: Contains organic solvents such as aromatic hydrocarbons, esters, benzenes and chlorinated hydrocarbons, insoluble in water, fatty acids, petroleum ethers, ethanol and mineral oils.


Main Models and Technical Indexes


Technical Indexes

主要型号(Main Models







(20% xylene solution, 25 ℃)









含氯量(%≥(Chlorine content)


最大溶解度(W/W%(Maximum solubility)


水份(%≤ Water content


灰份(%≤ Ash



White powder


(1)Chlorinated rubber is less used in extruded or molded products. Its main purpose is to divide the different types according to the relative molecular mass or viscosity. It is suitable for inks, coatings and adhesives. It is generally low viscosity (0.01Pa·s). The products are mainly used for ink additives; the medium viscosity (0.01~0.03Pa·s) products are mainly used for formulating coatings; the high viscosity (0.1t~0.3Pa·s) products are mainly used for manufacturing adhesives, which are applied at home and abroad. In actual terms, it is mainly used for medium viscosity products of paints. The main application areas in coatings are road marking paints, marine paints, container paints, architectural paints, swimming pool paints, and flame retardant paints.

(2)Pavement marking paint, also known as road marking paint, is a special application area of chlorinated rubber. Chlorinated rubber-based coatings are abrasion resistant, quick-drying, and stand out on concrete and asphalt. They have excellent adhesion properties and withstand the effects of chemicals and abrasives used on snowy days and on the ground with thin layers of ice. In the UK, it has been stipulated that chlorinated rubber must be used to mark the airport.

(3)In addition, chlorinated rubber does not burn due to high chlorine content. It is therefore a valuable raw material for the manufacture of fire and corrosion resistant paints. This paint has been widely used in petroleum refineries. In terms of adhesives, chlorinated rubber is not used substantially as a separate film former, but as a modifying additive. Used to improve the performance of adhesives such as neoprene, nitrile rubber and polyurethane. Modification with chlorinated rubber gives these adhesives greater versatility. US chlorinated rubber is mainly used in coatings, of which road marking paints account for 46%, and in other countries, 60% of their chlorinated rubber paints are used for marine paints. China's chlorinated rubber is mainly used in marine paints, road marking paints, container paints, ink additives, outdoor tank coatings, architectural coatings and adhesives.

(4)The chlorinated rubber is obtained by dissolving the masticized natural rubber in carbon tetrachloride or dichloroethane and reacting with dry chlorine under the action of a catalyst.

Chlorinated rubber is not rubbery, but dendritic, with a relative density of 1.5~`1.7. It softens and decomposes at 135~140°C, and is soluble in benzene, toluene, xylene, tetrachlorobenzene, ethyl acetate, etc. Forming a solution that is relatively stable with a suitable viscosity.

(5)Chlorinated rubber has the characteristics of aging resistance, acid resistance, alkali resistance, seawater resistance, non-combustibility, etc. The adhesive prepared by the same can be used for bonding rubber to metal, leather, wood, fabric and the like. Chlorinated rubber can also be used as a modifier, modified neoprene, which can improve bond strength, high temperature creep and other properties. As the cohesive force of the chloroprene adhesive is significantly improved, the bonding performance is enhanced. The adhesion to hard PVC is nearly 10 times higher than that of unmodified chloroprene adhesive.

Packaging, storage and transportation

1. Packing: inner PE packaging bag, outsourcing a layer of plastic textile bag, each bag weighing 10kg and 20kg.

2. The product should be stored in a dry, cool, ventilated and non-corrosive gas warehouse.

3. It is necessary to prevent rain and moisture during transportation. The transportation tools should be dry and clean, and lightly loaded and unloaded during transportation to prevent damage to the packaging bag.

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