25kg Polymer Anti-Crack Mortar, Exterior Wall Base Repair Anti-Crack Reinforcement Mortar For Building Wall Construction

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Product Description

ColumnOriginal English Text
Full NamePOLYMER ANTI-CRACK MORTAR
Brief IntroductionPolymer anti-crack mortar is a special modified mortar for building wall base layer. It has excellent crack resistance, strong bonding force, effectively solves wall hollowing, cracking and peeling problems of exterior & interior walls.
Core Advantages1. Outstanding anti-crack performance, low shrinkage, no wall cracking after long-term use
2. High tensile & bonding strength, firmly attached to wall base
3. Good flexibility, adapt to slight wall deformation
4. Weather resistance, anti-freezing, suitable for outdoor exterior wall
5. Easy mixing, simple manual trowel construction, good workability
6. Waterproof & breathable, avoid wall blistering
Application ScenariosExterior wall thermal insulation surface plastering, interior wall base leveling, old wall renovation, concrete wall crack repair, cement board & gypsum board surface reinforcement, building facade renovation project
Mix RatioPowder : Water = 5 : 1
Storage & Shelf LifeKeep in cool, dry and ventilated warehouse, avoid damp and rain; shelf life 12 months
Package Info25kg woven plastic bag, custom brand logo & packaging printing acceptable
Product CertificationsISO9001 quality system certificate, building material environmental test report, third-party physical performance inspection report
Factory SupportOEM & ODM available, formula adjustable for interior / exterior different construction environment, customized packaging design

Specifications

English ItemTechnical Index
Single Package Weight25kg per bag
Mixing ProportionPowder : Water = 5:1
Recommended Construction Thickness2mm–6mm
Compressive Strength 28d≥8.0MPa
Bonding Strength≥0.6MPa
Linear Shrinkage Rate≤0.03%
Operating Temperature5℃ – 35℃
Initial Setting Time60–120min
Storage Life12 months
Weather ResistanceHigh grade, fit for long-term outdoor exterior wall use

Construction Method

Base Surface Treatment: Clean floating dust, oil stains and loose concrete on walls; spray water to moisten dry walls and wipe off standing water before construction.
Material Mixing: Add clean water at ratio 5:1, stir evenly with electric mixer, stand for 3–5 minutes then stir again for better flexibility.
Construction Operation: Spread mortar evenly on wall base, embed anti-crack mesh cloth inside mortar layer, compact and smooth, control single layer thickness within 2–6mm.
Curing Period: Air dry and cure for over 48 hours after construction; avoid strong sunlight, heavy rain and frost within 3 days.

Order & Delivery Terms

MOQ: Full 20ft container; small trial order can be negotiated
Production Lead Time: 7–12 working days after receiving deposit
Loading Port: Shenzhen Port / Guangzhou Port
Payment Terms: 30% T/T deposit, 70% balance before shipment; Irrevocable L/C at sight supported
Supply Capacity: 3000 tons per month

After-sales Support

Free online professional construction technical guidance for overseas construction teams
Complete factory inspection report and full set customs clearance documents provided
Adjust product formula according to local climate and wall construction requirements
Free replacement for unqualified goods caused by production within shelf life

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