Product Data Sheet Show all documents

Sika® Plastiment® VZ-2

Set retarding concrete admixture

Sika® Plastiment® VZ-2 is a highly efficient set retarding concrete admixture

Sika® Plastiment® VZ-2 provides the following beneficial properties:
  • Increased setting time in hot weather
  • Accelerated hardening after setting
  • Increased ultimate strengths
  • Long lasting control over slump loss.
  • Better surface finish
  • Chloride free: does not attack reinforcement
Product Data Sheet Show all documents

Usage

Sika® Plastiment® VZ-2 is used as retarding admixture in concrete where a controlled extention of setting time is required.
  • Large volume pours
  • Long haul
  • Avoiding of cold joints
  • Construction joints
  • Difficult placing conditions
  • Elevated temperature
  • Revibrated concrete
  • Ready mix concrete
 

Advantages

Sika® Plastiment® VZ-2 provides the following beneficial properties:
  • Increased setting time in hot weather
  • Accelerated hardening after setting
  • Increased ultimate strengths
  • Long lasting control over slump loss.
  • Better surface finish
  • Chloride free: does not attack reinforcement

Packaging

230 kg / Bulk supply

Colour

Blue Colour Liquid

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

ASTM C494 Type  B , IS 9103
Product Information

Chemical Base

Poly hydroxyl compound

Shelf Life

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

Storage Conditions

Store in dry conditions at temperatures between +10°C and +40°C. Protect from direct sunlight and frost.

Density

~1.06 kg/l at 25°C

pH-Value

≥ 6

 

Application

Application Information

Compatibility

Sika® Plastiment® VZ-2 may be combined with many other Sika® Products.

Compatible with all types of cements and cementitious materials.

Important: Always conduct trials before combining products in specific mixes and combinations.

DISPENSING

Sika® Plastiment® VZ-2 can be dispensed directly into the mixing water or added simultaneously into the concrete mixer.
Consumption

Recommended Dosage

0.20 – 1% by weight of cement. The retardation rate achieved is directly dependent on the dosage rate which in turn is influenced by quality of cement and aggregates, w/c ratio and temperatures.

It is advisable to carry out trial mixes to finalise the optimum dosage rate.

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