Product Description
Type:DMARGrout-618
Description: DMARGrout-618 is a cement based grout composed of sand, concrete additives and other materials. It can be used after adding some water and mixing around. It represents performance like flowable, tiny expansion, non-isolation and high strength etc.
Uses: DMARGrout-618 is suitable for the following grouting works:
1.The secondary grouting between ground bolt and machine base of large-scale equipments and precise equipments.
2.The secondary grouting of joint between steel structure and concrete.
3.Anchor the steel bar.
4.Filling and fixing of the contrary-striking constitution joints of the underground works.
5.The secondary reinforcement of girder and column.
6.Rush repair the part of roads.
Performance index:
|
items
|
index
|
|
Grain size
|
residue on 4.75mm square mesh sieve / %
|
≤2.0
|
|
Setting time
|
Initial setting time/ min
|
≥120
|
|
Bleeding rate / %
|
≤1.0
|
|
Fluidity /mm
|
Initial fluidity
|
≥260
|
|
Fluidity at 30min
|
≥230
|
|
Compressive strength / Mpa
|
1d
|
≥22.0
|
|
3d
|
≥40.0
|
|
28d
|
≥70.0
|
|
Linear expansivity / %
|
1d
|
≥0.02
|
|
bond strength(round steel)/Mpa
|
28d
|
≥4.0
|
|
rustiness effect on reinforcing steel bar
|
no rustiness effect
|
Package and storage:
package:25kg/bag;
storage: It should be put in dry and airtight environment;
lifetime: 6 months.