#Gypsum plaster pdf

239000011507 gypsum plaster Substances 0.000 title claims abstract description 14.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to JP6617978A priority Critical patent/JPS5622826B2/ja Priority to JP53-66179 priority Application filed by Ajinomoto Co Inc filed Critical Ajinomoto Co Inc Application granted granted Critical Publication of US4218261A publication Critical patent/US4218261A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links For the application of gypsum veneer plaster the temperature must not be below 55 degrees F or not more than 80 degrees F for not less than 24 hours prior. Original Assignee Ajinomoto Co Inc Priority date (The priority date is an assumption and is not a legal conclusion. It is a white cementing substance formed by dehydrating Gypsum to a partial or. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Gypsum plaster replaces Portland cement with Gypsum as a binding substance. It can be quarried in different parts of the world in slightly different forms, but in this country the most commonly known form is alabaster. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US06/041,558 Inventor Koji Takeuchi Takashi Zama Shizuo Iwai Current Assignee (The listed assignees may be inaccurate.

#Gypsum plaster pdf

Google Patents Retarder for gypsum plaster and a process for retarding the setting of gypsum plaster by the use thereofĭownload PDF Info Publication number US4218261A US4218261A US06/041,558 US4155879A US4218261A US 4218261 A US4218261 A US 4218261A US 4155879 A US4155879 A US 4155879A US 4218261 A US4218261 A US 4218261A Authority US United States Prior art keywords gypsum gypsum plaster retarder retarding setting Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. JK Lakshmi Gypsum Plaster is a high quality plaster of paris with exceptional whiteness that can do wonders for home interiors. Disadvantages of gypsum plaster: Following are the various disadvantages of the gypsum plasters as follows: This plaster is soluble in water up to 2 g/ lit, hence the continuous exposure to moist conditions makes the gradual softening of the plaster therefore it cannot be used in moist areas and outdoor work. Google Patents US4218261A - Retarder for gypsum plaster and a process for retarding the setting of gypsum plaster by the use thereof US4218261A - Retarder for gypsum plaster and a process for retarding the setting of gypsum plaster by the use thereof Gypsum plastering is a modern day solution to time consuming and ecologically straining process of Sand Cement plaster.