Sika® ViscoCrete®-730 PR is a third generation High Range Water Reducing/SuperPlasticizing admixture for concrete and mortar.
Sika® ViscoCrete®-730 PR as a powerful water reducer acts by through surface adsorption and sterical effects separating the binder particles the following properties are achieved:
Sika® ViscoCrete®-730 PR is specially suitable for the production of concrete mixes which require high strength development, powerful water reduction and excellent flowability Sika® ViscoCrete®-730 PR is mainly used for the following applications:
IS 9103, ASTM C494
Aqueous solution of modified poly carboxylate
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
~1.10 kg/l at 25°C
pH-Value
≥ 6
Compatibility
Sika Viscocrete -730 PR 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 contact our Technical Service Department for information about specific combinations
DISPENSING
Sika Viscocrete -730 PR can be added into the mixing water or directly into the concrete mixer after 50 – 70% of the mixing water has been added.
The addition of Sika Viscocrete -730 PR PR to dry aggregate or cement is not recommended.
To achieve optimum performance a minimum wet mixing time, which is depending on the mixing conditions and the mixer performance, of 60 seconds is recommended.
Recommended Dosage
Optimum dosage of Sika® ViscoCrete®-730 PR should be determined by site trials.
Recommended dosage: 0.2 – 2.0% by weight of cementitious.
A higher dosage might be used if agreed by client or consultant.Stir well before use.