Brand: polarbear
Repair Material
Road Facing Repair Material
dry-mixed powders
Polar Bear CSA Concrete Road Facing Urgent Repair Material is obtained by special Rapid-hardening Sulphoaluminate cement with composite special admixture, this product has passed appraised science and technology achievement by Hebei province ,got success apply in Haerbin Airport ,Mudanjiang Airport for road surface urgent repair.

Properties:
1. Special applicator was not necessary while operating,, just need mixed repair material, sand and crushed stone with water in designed ratio, so convenient for operating.
2. This product can ensure working life more than 20mins with a higher strength. From mixing, concrete road surface resume working just need 4 hours, so it is an ideal urgent repair material for airport and expressway, etc.
3. For based on special rapid-hardening sulphoaluminate cement, this product have excellent sulfate-resisting and seawater, also can avoid the damage from alkali aggregate reaction.
4. Low rate of batch water with its slight expansion make this material have a high degree of compaction beside excellent capacity about breeze-thaw resistance and salt.
5. Excellent adhesive is to make the interface between new and old concrete firmly bond.

Type Suitable temperature for using
Low temperature -10℃～10℃
Normal temperature 10℃～25℃
High temperature 25℃～35℃

Specification

Working life Compressive strength(MPa)
4h 1d 7d 28d
＞20mins ≥30 ≥40 ≥50 ≥55