Ozone PC-1680

High range water reducing and accelerator for concrete.


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DescriptionOzone PC-1680 is a polycarboxylate base accelerating and water-reducing admixture for concrete. It
improves the plastic and hardened properties of concrete such as workability, compressive and flexural
strengths. It is a selected polymer technology-based material, specially designed for cold weather
Primary ApplicationCold weather concreting.
Structural concrete.
Concrete block.
Concrete pipe and many pre-cast items.
AdvantagesIncreased high early & ultimate strength.
Ideal for fast form stripping.
Cuts construction cost – no cold weather delays.
Densifies concrete.
Minimizes bleeding and segregation.
SpecificationsComplies with ASTM C-494 Type F.
Packaging210 Ltr. drums, 1000 Ltr. totes and bulk.
StorageStore in a dry and cool place below 35°C. Protect from direct sunlight.
Shelf life12 months if stored properly in original unopened packaging.
AppearanceBrown / Clear liquid
Specific gravity1.00 at 20°C
Chloride contentNil to BS 5075
Instruction for useDosage: 1.0-2.0 Ltr/100kg of cement. It is advisable to carry out trial mixes to establish the exact dosage
rate required.
Dispensing: Ozone PC-1680 should be added to gauging water prior to its addition to the dry mix
concrete or separately to the freshly mixed concrete. When added separately to the freshly mixed
concrete further mixing time of 2-3 minutes should be given.
Placing: The standard rules of good concreting practice for production and placing must be observed
when using Ozone PC-1680 concrete.
Curing: Fresh concrete must be cured properly. Use Ozone CureCrete or wet hessian.
Compatibility: Ozone PC-1680 is compatible with all types of cement.
Effect of overdosing: When accidental overdosing occurs, the retardation of initial set air content and
workability increases. During this period the concrete must be kept moist in order to prevent premature
drying out.
Technical SupportOzone offers technical support, services to consultants, end-users, and contractors. We also provide
technical assistance on site.
Cleaning & DisposalAll tools and equipment should be washed with water immediately after use. Do not dispose of into water
or soil but according to local regulations.
Precautions/LimitationsDo not allow freezing. Shake well before use.
Health & safetyIn case of contact with the skin, wash immediately with soap and water, In case of contact with the eyes rinse
immediately with plenty of water and seek medical advice. If swallowed seek medical attention
immediately, do not induce vomiting. Skin barrier cream, safety goggles, and rubber gloves are

WARRANTY: Ozone products are guaranteed against defective materials and manufacture and are sold subject to their standard terms and conditions of sale. Ozone makes no warranties, implied or otherwise, as to the merchantability or fitness for ordinary or particular purposes of its products and excludes the same. If any Ozone product fails to conform to this warranty, Ozone will replace the product at no cost to the Buyer. Replacement of any product shall be the sole and exclusive remedy available and the buyer shall have no claim for incidental or consequential damages. Any warranty claim must be made period from the date of the claimed breach. Ozone does not authorize anyone on its behalf to make any written or oral statements which in any way alter Ozone’s installation information or instructions in its product literature or on its packaging labels. The user of the Ozone products must test the products for suitability for the intended application and purpose before proceeding with the full application of the products.


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