Suplast® SPT-B2060
Time-Released polycarboxylate
Suplast®
SPT-B2060 is a
time-controlled admixture . Its unique formulation is based
on the polycarboxylate technology. SPT-B2060 meets the requirements of
GB8076-2008, standard of the P. R. of China.
Applications:
SPT-B2060
is used for prolonged slump retention of ocncrete, such as ready-mixed
concrete. SPT-B2060 must be combined with the high water reducer (15%-30%
substitution of the later)) .Some retarders (such as Sodium Gluconate) may be
added for ready-mixed concrete to prolong the setting times because SPT-2060
does not change the set time.
Performance:
The
fluidity of cement paste dosed with SPT-B2060 shows the performance as follows.
Benefits:
The
Combined Admixture of SPT-B2060 and the high water reducer allows for the
production of high slump flowing concrete with excellent workability and
prolonged slump retention that can be placed with less vibration even at a very
low water/cementtitious materials ratio. The dispersing action improves cement
hydration efficiency and increases early and long term compressive strengths of
the concrete . Prolonged slump retention does not have negative effect on set
times.
The
combined water reducing and superplasticizing action provide the following
benefits:
..Prolonged
slump retention will extend workability and make pumping-transfer easily.
.Increased slump improves workability and reduces labor costs.
.
Without bleed or segregation usually caused by time-released effect, Higher
concrete density reduces permeability and increases durability.
SPT-B2060
does not contain any other
intentionally added chlorides and will not initiate corrosion on steel
reinforcement in the concrete.
Propertices:
..SpecificationConcentration: 40%
..Specific
gravity: approx.1.20
..Appearance: Yellowish liquid.
Package:
1000kg/IBC.
Shelf life:
When stored in dry and cool warehouses, the shelf life is 24 months.
SPT-B2060
is a concentrated product with 50% of solid for lower-cost delivery. It is not
directly used for concrete mixing. SPT-B2060 is
usually diluted with water and/or combined with some retarders (sodium
gluconate etc.) in order to prolong the set times for long-distance transport or
some special purposes. The appropriate
concentration of application is about 20%.
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