looking best additive for redardation with sulphonated naphthalene formaldehyde in concrete

High Performance Concrete And High Strength Concrete ...

 · Sulphonated melamine formaldehyde (SMF) Manufactured by normal resinification of melamine - formaldehyde 4 Sulphonated naphthalene formaldehyde (SNF) Produced from naphthalene by oleum or SO3 sulphonation; subsequent reaction with formaldehyde leads to polymerization and the sulphonic acid is neutralized with sodium hydroxide or lime 2

China Sodium Naphthalene Sulphonate Formaldehyde Egypt ...

We manufacture "Sulphonated Naphthalene formaldehyde" (SNF,PNS ), which is widely used as high range water reducer "Superplasticizer" in construction chemicals. Our products can be purchased in Powder or Liquid Form,and our products are very popular in Egypt market. Concrete admixtures (Additive) export to Egypt market with best quality.

Accelerating admixture for concrete

 · [0006] U.S. Pat. No. 5,176,753 discloses a chloride-free admixture for use as a cold weather concrete set accelerator which comprises a soluble inorganic salt having freezing point depressant properties, a naphthalene sulphonate formaldehyde condensate or sulphonated melamine formaldehyde condensate, inorganic early set and strength ...

MORTAR COMPOSITION AND METHOD

 · Additional dispersant aids such as sodium naphthalene formaldehyde sulfonate or sulphonated melamine formaldehydes may also be used. It may also be desirable to add preservatives, antifoaming agents or other miscellaneous enhancing additives such as alkylene glycols, chlorinated paraffins, and alkali metal fatty acid salts as known to those ...

Accelerating admixture for concrete

[0006] U.S. Pat. No. 5,176,753 discloses a chloride-free admixture for use as a cold weather concrete set accelerator which comprises a soluble inorganic salt having freezing point depressant properties, a naphthalene sulphonate formaldehyde condensate or sulphonated melamine formaldehyde condensate, inorganic early set and strength accelerator ...

Hydration Kinetics of Tricalcium Silicate in the Presence ...

We studied some of the most common additives employed in the cement industry, i.e., a sulfonated naphthalene-formaldehyde polycondensate, a polycarboxylate and a polyacrylate.

Admixture For Concrete Strength

We have been looking forward to the go to for joint expansion for Admixture For Concrete Strength, Pce Polycarboxylate Superplasticizer, Mortar Colouring, Mortar Colour Additive,Harga Superplasticizer. We are keeping durable small business relationships with additional than 200 wholesalers in the USA, the UK, Germany and Canada.

Concrete Admixtures for Sale

3. Sodium Naphthalene Sulfonate (SNF/PNS/FND/NSF). The naphthalene-based high-efficiency water reducing agent has strong adaptability to cement. It is especially suitable for fluid concrete with high water reduction and enhanced requirements, steamed concrete…

Synthesis of sulfonated melamine urea formaldehyde resins ...

Spherical melamine-formaldehyde resin (MFR) particles were synthesised using the condensation reaction of melamine and formaldehyde with PEG-2000 as an additive…

Use of Water Reducers, Retarders, and Superplasticizer

Dosage needed for a concrete mixture is unique and determined by the Marsh Cone Test. There are four types of superplasticizers: sulfonated melamine, sulfonated naphthalene, modified lignosulfonates and a combination of high dosages of water reducing and accelerating admixtures.

Superplasticizer for Concrete

It decrease entrapped air content in concrete during mixing. WF2000 is a superplasticizer that is effective for steam curing concrete and PHC Pile. A concrete with WF2000 can get higher strength than a normal concrete at the early age. WF1000 is a anti washout admixture of powdered type for under water concrete.

WHAT IS POLYCARBOXYLATE – Polycarboxylic Ether

WHAT IS POLYCARBOXYLATE. Polycarboxylate (PCE) superplasticizers are known as high range water-reducing admixtures in concretes, such as ready-mix concretes, self-compacting concretes (SCC), ultra-high strength concretes (UHPC) and at the same time give an extended slump retention.. Polycarboxylate Ethers improve the rheology of concrete through the dispersion of particles.

China Sodium Naphthalene Sulfonate Price/Concrete ...

China Sodium Naphthalene Sulfonate Price/Concrete Admixture/Concrete Additive, Find details about China Sodium Naphthalene Sulfonate Formaldehyde, Naphthalene from Sodium Naphthalene Sulfonate Price/Concrete Admixture/Concrete Additive - Henan Kaicheng New Materials Co., Ltd.

5% Sodium Sulfonated Naphthalene Formaldehyde For Concrete ...

5% sodium sulfate poly naphthalene sulfonate formaldehyde as concrete additive -----Elt-NSF 1. poly naphthalene sulfonate formaldehyde Introduction. Naphthalene formaldehyde sulphonate water reducing agent is a synthetic powder based onbeta-sulphonate formaldehyde …

US4990191A

A hydraulic cement slurry is disclosed which has low fluid loss properties. In addition to water and hydraulic cement, the hydraulic cement slurry contains a fluid loss control additive comprising a sulfonated or sulfomethylated kraft lignin that has been aminated by reacting it with a polyamine and an aldehyde. The slurry also contains sodium carbonate, sodium phosphate, sodium sulfite ...

China Popular Design for Cement Additive Nno Disperant ...

Sodium naphthalene formaldehyde is a chemical synthesis of non-air-entertainment superplasticizer, which has a strong dispersibility on cement particles, thus produces concrete with high early and ultimate strength.As a high range water reducing admixture,sodium naphthalene formaldehyde has been widely used in prestress, precast, bridge, deck ...

Chemistry of chemical admixtures

 · PNSs, also known as sulphonated naphthalene formaldehyde condensates (SNFC), were first developed in the 1930s and originally used in textile chemicals and the development of synthetic rubber. In the late 1960s PNSs were introduced into the concrete admixtures market in Japan as the first synthetized high-range water-reducing admixture, more ...

Sulphonated Naphthalene Formaldehyde

Sulphonated Naphthalene Formaldehyde UNF-5(Sodium Sulfate Content, 16%) Description. UNF-5 is a high range water reducer, commonly referred to as a superplasticizer, also named Naphthalene Sulfonate Formaldehyde Condensate (NSF), SNF, PNS, etc... UNF-5 is made of naphthalene, sulfonic acid, formaldehyde and alkali, through sulphuration, hydrolyzation, condensation and neutralization …

Naphthalenes. Medical search

sodium naphthalene sulfonate formaldehyde condensate Product Description sodium naphthalene formaldehyde As the main master batch of various kinds of compound concrete. ( lightneasy ) Description The naphthalene superplasticizer is a chemically synthesized non-air-entrained superplasticizer, with chemical name of naphthalene sulfonate ...

additives to make concrete stronger

Concrete additives are added to the mixture of water cement and aggregate in small quantities to increase the durability of the concrete, to fix concrete behavior and to control setting or hardening. It will be really helpful for the Aspirant civil engineers. is the most common and least expensive accelerator for non-reinforced concrete.

What are the broad types of chemical admixtures? Give two ...

CHEMICAL ADMIXTURE: * Any chemical additive to the concrete mixture that enhances the properties of concrete in the fresh or hardened state. * Does not typically include paints and protective coatings (for steel and concrete) * ACI 116R defines th...

Concrete admixtures and porpuses

However, at higher temperatures, they lose workability relatively quickly. SMF generally give a good finish and are colorless, giving no staining in white concrete. They are therefore often used where appearance is important. Sulphonated naphthalene formaldehyde condensates (SNF) …

Aminated sulfonated or sulformethylated lignins as cement ...

(a) LOMAR D: sodium naphthalene sulfonate (b) AEP: aminoethylpiperazine . It was found that sulfonated or sulfomethylated lignins reacted with 3-5 moles Amine HH and 3-5 moles formaldehyde perform well as fluid loss control additives when formulated with Nanaphthalene sulfonate …

19 Types of Admixture used in cement concrete

Damp Proofers. Accoproof: It is a white powder to mix with concrete at the rate of 1 kg per bag of cement for the purpose of increasing impermeability of concrete structures. Natson''s Cement WaterProofer: As the name indicates, it is a waterproofing admixture, thus to admix at the rate of 1.5 kg per bag of cement.

High Performance Concrete Additives

 · High Performance Concrete Additives. Modified date: Aug 14, 2021. Concrete additives are added to the mixture of water cement and aggregate in small quantities to increase the durability of the concrete, to fix concrete behavior and to control setting or hardening. They can either be liquid or powdered additives.

Polycarboxylate Superplasticizer AM-200 for Concrete ...

Product Description: Description. AM-200 (economic) is developed by our company is an environment-friendly polycarboxylate ethers high performance water reducer, it has a high water reducing rate, low cost, low alkali, suitable for a variety of ready-mixed and in-situ concrete of industrial and civil constructions which require lower level of coagulation slump, especially in the commercial ...

Sulphonated Naphthalene Formaldehyde Condensate

G. Gelardi, ... R.J. Flatt, in Science and Technology of Concrete Admixtures, 2016 9.2.3.1 Polynaphthalene sulphonates (PNS). PNSs, also known as sulphonated naphthalene formaldehyde condensates (SNFC), were first developed in the 1930s and originally used in textile chemicals and the development of synthetic rubber. In the late 1960s PNSs were introduced into the concrete …

Ad-Mixtures

Being an active soluble and dispersing agent these powders are sulphonated naphthalene formaldehyde condensate sodium salts. As water reducing agents these products are brought into use in chemical construction industries. Powdered for free flow these products are pale yellow in look. Sodium Naphthalene Formaldehyde Powder Specifications:

Which admixture should I add to make concrete waterproof ...

As such adding admixture alone will not make the concrete waterproof. As to be waterproof concrete needs to be good. And impermeable concrete is durable and waterproof to a certain extent. Moreover even then water can get in through construction j...

Sodium Naphthalene Sulfonate Formaldehyde (SNF)

 · Sodium Naphthalene Sulfonate Formaldehyde (SNF) SNF is a light yellow to yellowish brown powder, which is an anionic surfactant. It is widely used for the preparation of free-flowing and pumpable concrete mixture in the construction industry. SNF can be used as raw material for compound accelerators, anti-freezing agents, and retarders, in ...

WO2002006182A1

The invention provides a mortar composition which comprises 100 parts by weight of cement; 1-80 parts by weight of untreated rice husks; 30-200 parts by weight of one or more fillers and additives; and 0.2-10 parts by weight of an accelerator. The invention also provides a settable mortar composition and methods for making the mortar compositions of the invention.

plasticizers admixture in Ecuador | Hot-selling ...

Concrete Admixtures (Additives)- Types, Selection, Properties, Uses - The Constructor. Super Plasticizers or High Range Water-Reducing Admixtures in Concrete These are the second generation admixture and also called as Superplasticizers. These are synthetic chemical products made from organic sulphonates of type RSO3, where R is. Get Price

Concrete Repair Products

Concrete repair products refer to any products used to fix concrete surfaces that have lost their binding abilities over the course of time due to environmental or physical damage. Chipped out surfaces, cracks, surface scaling and physical impacts are some typical instances where concrete …

Sulphonated Naphthalene Formaldehyde

Sulphonated naphthalene formaldehyde (SNF), also called sodium naphthalene sulfonate, is a high-range water reducing admixture. It has the advantages of high water reduction rate, neither retardation nor air entrainment, and strong adaptability. So SNF can greatly improve the workability of concrete …

Sodium Naphthalene Formaldehyde

The offered range of Sulphonated Naphthalene Formaldehyde is used as an additive substance in concrete mixing. It is highly recommended for its various features such as consolidation capacity, enhancing properties, reducing segregation and bleeding as well as eliminating cold joint formation in between the subsequent pours of

Sell Sodium Naphthalene Formaldehyde Condensate Exporters ...

Sell Sodium Naphthalene Formaldehyde Condensate product offers from exporters, manufacturers, suppliers, wholesalers and distributors globally by price, quantity, order, delivery and …

Super Plasticizers: Classification and Uses | Concrete ...

The use of super plasticizers can permit the reduction of water in the concrete mix upto 30% without producing any ill effect on the workability of the concrete i.e. without reduction in the workability of concrete, where as normal plasticizers with doses upto 0.1 to 0.4% by weight of cement can reduce water content from 5 to 15%.

Sodium Gluconate Concrete Admixture

Sodium Gluconate Concrete Admixture - China Factory, Suppliers, Manufacturers continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for Sodium Gluconate Concrete Admixture, Sulphonated Naphthalene Formaldehyde Price, Polyacrylamide ...