accelerating agent

accelerating agent

[ak′sel·ər‚ād·iŋ ′ā′jənt]
(materials)
A substance which increases the speed of a chemical reaction.
A compound which hastens and improves the curing of rubber.
References in periodicals archive ?
Since Sunday the affected area has again been re-seeded, fertilised and rolled and an accelerating agent will be put down today to aid the growth of the new turf.
[12] believed that a large amount of six-angle plate-shaped hydrated calcium aluminate produced by the reaction of [C.sub.3]A and Ca[(OH).sub.2] accelerated the condensation of cement paste, because the retardation effect of gypsum was eliminated by the accelerating agent. According to the opinions of Paglia et al.
It works a four-minute agitation cycle, after which Component B, an accelerating agent, is dosed at 6 kg (13.2 lb.) per cubic meter.
Water glass at a ratio of 5-8% of the cement weight was used as an accelerating agent.
This paper includes the results of a laboratory investigation into the properties of void content, Marshal stability, flexural strength, and wheel tracking resistance depending on flow time and compressive strength of the cement grout mixed with ultrarapid hardening cement and chemical admixtures including accelerating agent and retarding agent.
Chemical admixtures include superplasticizers, normal plasticizers, waterproofing admixtures, air-entraining agents, accelerating agents and retarding agents.
Construction chemicals comprise a wide variety of materials such as cementations; admixtures like waterproofing admixtures, plasticizers, accelerating agents, retarding agents and others; adhesives and sealants like acrylic adhesives, polyurethanes, polyvinyl acetates, epoxy and others; and flame retardants like ATH, antimony oxides, brominated, and chlorinated.
The formulation contains hi-tech accelerating agents, which deliver a rich, cocoabrown tan.
Delayed hypersensitivity - type four: This sensitisation is caused by an allergy to the accelerating agents used in manufacturing latex.
EPDM is unique in that it has only a few crosslinking sites (vinyl radicals) and thus has a greater probability of residual sulfurous compounds from decomposition of the vulcanizing and accelerating agents.
[ClickPress, Thu Oct 30 2014] Concrete Admixtures Market by Type (Super Plasticizers, Normal Plasticizers, Accelerating Agents, Retarding Agents, Air-Entraining Agents, Waterproofing Admixtures, Others) - Global Trends & Forecast to 2019
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