Acid and alkali resistant rubber soft connection selection, what brand is good?

First of all. The most critical factor in determining the quality of rubber joints is the material, good rubber can make good rubber joints, some rubber joints have poor shock absorption performance, some will crack first after a period of time, aging is more serious, these are because of the use of poor rubber, the simplest and most effective way to distinguish the material of rubber joints is to put it in the sun or light, look at its color, poor rubber in order to imitate a good rubber effect will be oiled, the color is black, shiny, High-quality rubber joints, on the other hand, will have a natural rubber color.

Secondly. It depends on the production process, a good rubber joint uses the elasticity, high air tightness, medium resistance, weather resistance and radiation resistance of rubber, and uses high-strength, cold and hot stability of polyester cord cloth obliquely compounded with it, after high pressure, high temperature mold vulcanization. In addition, steel travelers are added to the rubber layer at both ends of the rubber joint, so that the performance of the rubber joint is further improved and the service life is extended.

Many manufacturers, in order to maximize profits, cut corners, do not add polyester cord cloth and steel wire loop in the adhesive layer, which greatly reduces the compressive strength of the rubber joint in use, and sometimes bursts due to excessive pressure.

Only after comparison can we know which rubber joint is better. The following is generally recognized as the first recommendation in the industry. You can go to the specific investigation.

Single sphere or double sphere or different diameter, are sent to you for your reference

Summary. Viton rubber, silicone rubber. In order for rubber to be acid and alkali resistant, it is necessary to choose a chemically stable rubber material.

Generally speaking, fluoroelastomers, silicone rubbers and butyl rubbers all have good acid and alkali resistance. Among them, fluoroelastomer is a rubber material with strong chemical resistance, which can withstand the erosion of various strong acids, strong alkalis and organic solvents, so it is widely used in chemical, petroleum, pharmaceutical and other fields. Silicone rubber also has good acid and alkali resistance, and can withstand the erosion of some weak acids, weak alkalis and organic solvents, so it is widely used in food, medical and other fields.

Butyl rubber is a rubber material with good acid resistance, which can withstand the erosion of some weak acids and organic solvents, so it is widely used in shoemaking, automobiles and other fields.

Is EPDM resistant to hydrofluoric acid.

Viton rubber, silicone rubber. In order for rubber to be acid and alkali resistant, it is necessary to choose a chemically stable rubber material. Generally speaking, fluoroelastomers, silicone rubbers and butyl rubbers all have good acid and alkali resistance.

Among them, fluoroelastomer is a rubber material with strong chemical resistance, which can withstand the erosion of various strong acids, strong alkalis and organic solvents, so it is widely used in chemical, petroleum, pharmaceutical and other fields. Silicone rubber also has good acid and alkali resistance, and can withstand the slippery erosion of some weak acids, weak alkalis and organic solvents, so it is widely used in air transportation, food, medical and other fields. Butyl rubber is a rubber material with good acid resistance, which can withstand the erosion of some weak acids and organic solvents, so it is widely used in shoemaking, buckets, automobiles and other fields.

EPDM rubber is a commonly used rubber material, which has good heat resistance, oxidation resistance, ozone resistance, ultraviolet resistance and other properties, but has poor resistance to hydrofluoric acid. Hydrofluoric acid is an extremely strong inorganic acid that can attack most metallic and non-metallic materials, including some rubber materials with good acid resistance. Therefore, if rubber materials need to be used in a hydrofluoric acid environment, it is recommended to choose materials such as fluoroelastomer (FKM) or silicone rubber (VMQ) with good acid resistance.

If you need to use rubber materials in an environment with hydrofluoric acid, it is recommended to conduct experimental verification to determine whether the resistance pin bridge energy content of the selected material meets the requirements.

Generally speaking, fluoro rubber and silicone rubber have good acid and alkali resistance. Fluoroelastomer is a high-grade synthetic rubber with excellent chemical resistance, can withstand the erosion and grinding of many strong acids, strong alkalis and polar solvents, and has good physical properties and aging resistance in the temperature range (usually -20 to +200). Fluoroelastomers are widely used in fields involving strong acid and alkali media, such as chemicals, petrochemicals, pharmaceuticals, semiconductors, etc.

Silicone rubber, also known as silicone rubber, has better chemical stability, high temperature resistance, oxidation resistance, weathering resistance, and UV resistance compared to other rubbers. Silicone rubbers retain their properties in temperatures ranging from -60 to +250, making them widely used in many industries, such as medical, electronics, aerospace and automotive. It should be noted that different limb acids and alkalis have different properties, and different rubber materials will have different tolerances to them, so the most suitable material should be selected according to the specific situation.

Hello, the following answers to the questions you asked:1General epoxy resin, acid-resistant cement and acid-resistant cement paving, which can be constructed according to the above-mentioned manufacturer's product instruction manual; 2.

Wash the concrete surface with oxalic acid to achieve acid-base neutralization; 3.Industrial porcelain acid-resistant bricks, the width of the gap is about 8-10mm, and the depth of the gap is appropriate to be equal to the thickness of the brick to prevent leakage; After the paving is completed, the surface should be washed with groove acid to help make it firmer. After the answer, I hope it can help you.

Hello In various rubber materials, the main ones with strong acid and alkali resistance are heat-sensitive rubber and hard rubber. The performance characteristics of these two types of rubber are as follows:1

Heat-sensitive rubber: Heat-sensitive rubber is also known as chemically reactive rubber. It forms a three-dimensional network structure with high weather resistance through thermal reversible changes, and has high acid and alkali resistance.

It can tolerate a wide pH range, with a pH between 3-11. Heat-sensitive rubber is mainly used to formulate rubber sealing rings, rubber gaskets and other products. Pros:

High acid and alkali resistance; Formation of a stable three-dimensional network; High temperature resistance; It is easy to process with mechanical sales. Disadvantages: less relaxation and poor elasticity after heat-sensitive change; **Higher.

2.Hard rubber: Hard rubber is made of vulcanized polymer rubber, which has high weather resistance, acid and alkali resistance.

It can tolerate a pH range of pH 1-14 and can withstand strong chemical effects. Hard rubber is mainly used to manufacture rubber gaskets, rubber joints, valves and other liquid seals. Pros:

High acid and alkali resistance; High weather resistance; Low relaxation; Relatively low. Disadvantages: high hardness, poor elasticity; It is difficult to machine in the middle loss.

In addition to heat-sensitive rubber and hard rubber, other rubber materials with high acid and alkali resistance are brominated rubber butadiene rubber, vulcanized butadiene rubber, etc. However, it is higher and has fewer applications in the market. In general, thermal rubber and hard rubber are the most common and classic acid and alkali resistant rubber materials.

Their acid and alkali resistance mechanisms are different, and the physical property indexes are also different, but they all show strong tolerance in acid and alkali environments. When you choose to use it, you can choose one of them or use both according to the actual usage environment and needs.

Summary. The commonly used acid and alkali resistant materials of nitrile rubber and fluorine rubber are nitrile rubber and fluorine rubber. They are all relatively good chemical resistant.

What rubber can be acid and alkali resistant Hello.

The commonly used acid and alkali resistant materials of nitrile rubber and fluorine rubber are nitrile rubber and fluorine rubber. They are all relatively good chemical resistant.

The corrosion resistance of rubber materials is directly related to the saturation of rubber molecular structure and the properties of substituent groups, followed by intermolecular forces and other factors. In actual production, chlorosulfonated polyethylene rubber, ethylene propylene rubber, butyl rubber HYL2Y3Y2YWFM and neoprene rubber have excellent acid and alkali resistance. Diene rubbers such as natural rubber and styrene-butadiene rubber have a certain ability to resist ordinary acids and alkalis.

Generally, rubber products used in strongly oxidizing and corrosive media use rubber with good chemical stability such as butyl rubber.

Etching solution. We used fluoroelastomer for 2 to 3 months and it corroded.

The first two above.

The first. Nitrile rubber try.

<> Rubber Introduction: Early rubber is a material made of elasticity, insulation, impermeability and air after processing from latex of rubber trees, rubber grass and other plants. Highly elastic polymer compounds.

It is divided into two types: natural rubber and synthetic rubber. Natural rubber is made from rubber trees, rubber grass and other plants after extracting gum; Synthetic rubber is obtained by polymerization of various monomers. Rubber products are widely used in all aspects of industry or life.

EPDM rubber can be resistant to acid and alkali and corrosion.

Fluorosilicone rubber has good acid and alkali corrosion resistance.

The wear-resistant repair series products are composed of high-performance wear-resistant metal materials, alumina ceramics, silicon carbide, quartz and other modified resins for the aggregate materials. It has the characteristics of high bond strength with metal, convenient construction, no flow of façade, no shrinkage of curing, and excellent wear resistance. It is used for repairing equipment parts and metal surface repairs that are often susceptible to wear, erosion, cavitation damage or chemical corrosion, and can also make various pre-wear-resistant anti-corrosion coatings.

Boding silicone rubber.

Silica gel is actually a granular porous silica hydrate, which is prepared by washing and drying sodium silicate with acid, and is mainly used as a desiccant and an adsorbent in column chromatography and thin layer chromatography. Despite its name, it is actually a solid with a transparent or milky white appearance.

Natural rubber, polyurethane rubber, etc.

Rubber: A highly elastic polymer material with reversible deformation. It is elastic at room temperature, can produce large deformation under the action of small external force, and can return to its original state after removing external force.

Rubber is a completely amorphous polymer, and its glass transition temperature (tg) is low, and the molecular weight is often large, more than hundreds of thousands.

Ethylene propylene is resistant to no extreme acid and alkali, acrylic rubber, fluorine rubber is acid and alkali resistant!!

Silicone rubber has good acid and alkali resistance.