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An agent used to slow the chemical hardening of gypsum, resins, or impression materials used in dentistry.


A biomaterial used in dentistry to slow the rate at which impression materials gel, set, or polymerize.


An agent used to slow chemical hardening of gypsum, resins, or impression materials used in dentistry.


n a chemical added to a substance to slow a chemical reaction, prolong the set of the material, and provide more working time.

Patient discussion about retarder

Q. This makes me to think how babies come out retarded and what the causes of retardation in babies are. My heart some time trembles when I see some parents dedicating their whole life for their retarded babies whom they gave birth after few years of their marriage. This makes me to think how babies come out retarded and what the causes of retardation in babies are. Is it not in our hands?

A. Hi there,

My opinion is that we are all perfect - just the way we are regardless of whether we are well or ill, beautiful or ugly, nice or mean. There is a perfect balance in the Universe – we cannot have positive without the negative – to think otherwise is to be ignorant. There is no a curse without a blessing nor a blessing without a curse. We are all part of the divine matrix – a matrix of love (as Dr Demartini likes to call it). The reason we don’t see any of this is only because we don’t look.

Please think about your question – whatever answer I could give – it would never satisfy you and it would not change what is.

My personal view is that we don't choose our babies – our babies choose us. There is a reason why 'your baby' wanted you to be her/his parent. Your baby may have ‘felt’ that you would be the perfect parents to shower them with love, affection and patience – everything that a child with autisms requires. Or perhaps, it is something that you (your so

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References in periodicals archive ?
The goal of this acquisition is to allow Huber to integrate the Satire technology within its existing portfolio of halogen-free flame retardants and smoke suppressants and to develop a line of commercial products.
CO2 emissions can be dramatically reduced because only a very small amount of new polycarbonate plastic and flame retardant needs to be added.
Halogenated flame retardants are increasingly losing market shares to products that are more environmentally friendly, according to the research.
A mixture containing a resinous type of fire retardant and low-molecular-weight phenol-formaldehyde resin was used to treat Ussuri poplar in order to achieve the desired fire retardancy (Li et al.
Exolit AP 760 is particularly suitable for PP and PE, meeting UL94 V-0 flame retardant specifications.
5) Environmental Working Group, News Release, "Toxic Fire Retardants Found in Women's Breast Milk," Sept.
US demand for flame retardants is expected to grow over 4 percent per year to 1.
In order to state the detailed and accurate flame retardant industry situation in China in the past five years and to make a forecast in the coming five years, the report includes:
Flame retardant chemicals find major use in different end-user industries.
Organized by Vincentz Network, the conference will focus on such topics as halogen-free retardants for textiles, intumescent coatings for protection of steel structures, clay-polymer thin films for imparting flame retardant behavior to foam and textiles, and toxic and environmental hazards of fire retardant coatings.
Offers Firebrake ZB line offlame retardants, which are forms of zinc borate with multifunctional fire-retardant applications for plastics and rubber.
This low-viscosity product with a phosphorus content of more than 20% can be used to replace either all or some of the halogen-containing flame retardant typically used in formulations.