Pure Gypsum Plaster Retarder for Construction Grade

• After-sales Service: 7*24 Pre-Sale to After-Sale Service
• Type: Set Retarder
• Transport Package: 25kg Bag
• Specification: 95%min
• Trademark: JIANKAI
• Origin: Shanxi
• Model NO.: JKCHEM Retarder
• HS Code: 382440
• Production Capacity: 50, 000 Tons/Year

Product Description

 

Product Description

Some gypsums are characterized by a fast hardening and retarders are consequentely required in order to give the suitable working time.The workability of gypsum depends on a complex interplay of a variety of parameters such as the origin of the gypsum (natural or artificial), the kind and the amount of impurities, the production (calcination process and grinding conditions) and the amount of water with which the gypsum is mixed as well the preparation and the application.
 

Gypsum Retarder is a highly efficient setting retarder by increasing the workability time proportionately to the dosage.
 

Gypsum Retarder acts as retarder in the gypsum-water mixture slowing down the growth of the hydrate crystals.

The Gypsum Retarder is characterized by the correlation between setting time and dosage and gives excellent performance at both high and low dosage rates.Generally Gypsum Retarder is used alone in gypsum formulations but it is totally compatible for use in formulations containing citric and tartaric acidin order to have a delayed hardening and a suitable consistence/time diagram.

Product Performance

Strong retarding performance. It can provide required setting time for gypsum mortar at low dosage, with minimal influence on the dry strength of the gypsum. 

The setting time changed steadily and linearly with dosage increasing. 
Lime has no obvious influence on the setting time of gypsum. 
When matching with our water reducer, defoamer and stabilizer, it can better adjust the recipe of gypsum mortar. 

Application

Strong retarding performance. It can provide required setting time for gypsum mortar at low dosage, with minimal influence on the dry strength of the gypsum. 

The setting time changed steadily and linearly with dosage increasing. 
Lime has no obvious influence on the setting time of gypsum. 
When matching with our water reducer, defoamer and stabilizer, it can better adjust the recipe of gypsum mortar. 
 

Moulding plaster

Ceramics

Plasterboard

Dental plaster

Joint fillers

Adhesion Mortars

Gypsum blocks,stucco, plastering, machine application

Specification

 

ITEMS	SPECIFICATION
Appearance	White to light yellow powder
Solid Content	≥97%
PH Value	7-9
Moisture Content	≤3%

Recommended Usage

Add in proportion and mix thoroughly. Recommended dosage is 0.05 - 0.5% of binder weight. 
Exact dosage rates are dependent on the type of effect sought, quality of cement and aggregates, water/cement ratio and ambient temperature. Therefore, in many cases it is advisable to carry out trial mixes.

 

Packing and Storage

 

For powder: Powder packed in 25kg bag. 
It should be stored in a dedicated warehouse that is well-ventilated and dry and keep away from moisture.
Shelf Life: Minimum 12 months. After the expiration date, it can be used if testing results is qualified.


Jiankai-Gypsum Retarder Supplier

Shanxi Jiankai Fine Chemicals Co.,Ltd is one professional gypsum admixtures supplier in China with over 20 years of production and export experience. Our products have been passed many certifications like ISO9001, ISO14001, SGS, ZHDC, etc. Jiankai have won the favor of consumers from many countries and regions and will provide you high quality products and professional service, warmly welcome your inquiry of our Gypsum Retarder at anytime.