Product Data Sheet Show all documents

Sikament® NN GB

High performance superplasticizer

Sikament® NN GB is a high-performance superplasticizer and water reducer.

The benefits of Sikament® NN GB include, but are not limited to the following:
  • High water reduction
  • Excellent flowability
  • Rapid adsorption
  • Very low retardation
  • Compatible with other additives
Especially when utilized for gypsum board production the use of Sikament® NN GB may result in:
  • Short mixing time
  • Shorter drying time
  • Improved shrinkage and creep behavior
  • Higher strength adjustable
  • Reduced energy consumption & CO2-emission
  • Increased production rate and thus enlarged capacity
  • Overall reduction in production costs
Product Data Sheet Show all documents

Usage

Sikament® NN GB is formulated for applications in systems with high calcium sulfate content or pure gypsum binders. The product is especially suitable for the manufacture of gypsum products.  

Advantages

The benefits of Sikament® NN GB include, but are not limited to the following:
  • High water reduction
  • Excellent flowability
  • Rapid adsorption
  • Very low retardation
  • Compatible with other additives
Especially when utilized for gypsum board production the use of Sikament® NN GB may result in:
  • Short mixing time
  • Shorter drying time
  • Improved shrinkage and creep behavior
  • Higher strength adjustable
  • Reduced energy consumption & CO2-emission
  • Increased production rate and thus enlarged capacity
  • Overall reduction in production costs

Packaging

200 L

IBC of 1’000 L net

Colour

Brown liquid

Product Details

Product Information

Chemical base

Aqueous solution of polynapthalene sulfonate

Shelf life

12 months shelf life from date of production if stored properly in undamaged, unopened, original sealed packaging.

Storage conditions

Storage at temperatures between 5 °C and 30 °C. Protect from direct sunlight, frost and contamination.

Density

1.190–1.220 g/cm3

 

Application

Application Information

Compatibility

Sikament® NN GB may be combined with many other Sika products as well as with most commonly used gypsum additives, like foaming agents, accelerators and retarders. In combination i.e. with Retardan improvements in flowability and setting-time adjustment may be achieved.
Note: Always conduct trials before combining products in specific mixes and contact our technical service for information about specific combinations with Sika products.

DISPENSING

Sikament® NN GB is added to the gauging water or added with it into the mixer.
Consumption

Recommended Dosage

Dosage range for typical applications: 0.8–1.6 % by weight of binder.
Differences in calcium sulfate binder type, raw material sources, calcining methods, age and storage conditions of the binder and other individual parameters at the plant and/or job site can influence the superplasticizer consumption of gypsum binders. At high dosage bleeding and/or segregation may occur as well as retardation of setting.
Note: Preliminary testing is required to determine the exact dosage for your specific conditions. Please contact our technical service for more information and assistance.
Application steps

APPLICATION INSTRUCTIONS

Cleaning of tools: Clean all tools and application equipment with water immediately after use.

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