Address:
Fujian,China
Main Products:
Intermediate,Concrete Admixtures,Agriculture Chemicals
Retarder For Plaster
Description
Our Retarder of Plaster is mainly used in whitewash plaster,glue plaster,gypsum putty and other gypsum products,retarding setting time of gypsum plaster,make the project more workability.
Features
It is brown powder,easy soluble in water
Dosage in hemihydrate gypsum is 0.03%-0.5%
More dosage, longer setting time.
The dosage increases when the working temperature rises.
A trial is necessary before using a new type of gypsum plaster and then determine an ideal and proper dosage of regarder.
When use in whitewash gypsum,mix 0.5% of cement with this retarder can extend the retarding time.
Data sheet (according to hemihydrate gypsum)
Dosage of retarder | Dosage of cement | Setting time of plaster |
0.1% | 0.5% | 30min60min |
0.15% | 0.5% | 60min-90min |
0.2% | 0.5% | 90min-120min |
0.3% | 0.5% | 120min-180min |
0.4% | 0.5% | 180min-300min |
Packing and storage
Packed in waterproof bag in 25kgs/bag,Keep dry and keep away moisture, avoid caking.
Shelf life
12 months