Kuaizhuang® Hybrid Wind Tower Duct and Joint Grout

Name: Kuaizhuang® Hybrid Wind Tower Duct and Joint Grout
Brand: Sino-sina

A high-flow cementitious pressure grout for prestressed ducts, connection voids and segment-related grouting in precast and hybrid wind towers. The technical positioning focuses on flow time, zero bleeding, expansion, compressive strength and flexural strength.

Selection focus: hybrid wind tower joint grout

Sino-sina Kuaizhuang hybrid wind tower prestressed duct grout 25 kilogram bag — Unified English packaging - Kuaizhuang hybrid wind tower duct grout

Recommended uses

Where this material fits.

Prestressed ducts in hybrid wind towers
Precast tower connection voids
Pressure grouting of assembled concrete tower systems
Rail, bridge and nuclear prestressing ducts subject to project approval

Performance benefits

What the system is designed to deliver.

Flow time requirements through 60 minutes
Zero bleeding and filament bleeding requirements
80 MPa 28-day compressive strength requirement
10 MPa 28-day flexural strength requirement

Technical data

Requirements and reported values, separated.

“Requirement” is the stated acceptance threshold or range. “Actual result”, “typical value” and “published value” are not guaranteed minima unless the requirement column says so. Final acceptance must follow the approved TDS, report, test method and project conditions.

Property	Minimum / specified requirement	Typical / reported value	Test method / source
Water-to-material ratio	0.26-0.28 maximum route	—	Supplied Chinese product manual; confirm by approved TDS
Initial / final setting time	≥5 h / ≤24 h	—	Supplied Chinese product manual
Flow time - initial / 30 / 60 min	10-17 / 10-20 / 10-25 s	—	Supplied Chinese product manual
3-hour bleeding / filament bleeding	0% / 0%	—	Supplied Chinese product manual
Pressure bleeding at 0.22 or 0.36 MPa	≤2.0%	—	Supplied Chinese product manual
Free expansion - 3 / 24 hours	0-2% / 0-3%	—	Supplied Chinese product manual
Compressive strength - 3 / 7 / 28 days	≥25 / ≥35 / ≥80 MPa	—	Supplied Chinese product manual
Flexural strength - 3 / 7 / 28 days	≥5 / ≥6 / ≥10 MPa	—	Supplied Chinese product manual

Project approval input

Send the data that can change the product decision.

A technical recommendation is only as reliable as the project information supplied with the enquiry.

01Structure & connection
Foundation, annulus, segment joint, duct or blade bond-line drawing.
02Geometry & volume
Gap, section, lift height, net material volume and contingency.
03Acceptance criteria
Strength ages, flow, modulus, bond, fatigue, durability and test methods.
04Environment
Material, water, substrate and ambient temperature plus exposure conditions.
05Installation equipment
Mixer output, pump, hose diameter, distance, access and standby capacity.
06Construction window
Batch cycle, working time, continuous-placement plan, curing and release point.

English technical data sheet

Kuaizhuang Hybrid Wind Tower Duct Grout - English TDS

Prepared from the supplied Sino-sina Building Materials Co., Ltd. product manual. Requirements are kept separate from published or reported values. Use the current controlled document and project specification for final approval.

Download English TDS

Related materials

Compare products in the same engineering family.

Hybrid wind tower systems

Kuaizhuang® Segment Epoxy

A two-component, thixotropic structural epoxy adhesive for horizontal and vertical joints between precast concrete segments in hybrid wind towers. The reviewed type-test evidence covers processing time, sag resistance, bond performance, compressive properties, shrinkage, glass-transition temperature and VOC-related items.

Primary search intent: hybrid wind tower segment epoxy adhesive
Best fit: Horizontal joints between precast wind tower segments

View product & technical data

Technical enquiry

Check whether Kuaizhuang® Tower Joint Grout matches your project.

Include the wind structure and connection drawing, geometry or bond line, volume, specified performance, temperature, standards, installation window and equipment.

Email project data WhatsApp +86 153 7387 2353