1,The excellent performance of Fireproof Rock Wool Insulation / Mineral Wool Insulation
The rock wool have higher strength and better elasticity. The folded rock wool board with certain compression resistance has greater drawing strength, and it does not tend to peel off and has greatly improved durability.
2,The Advantage of Fireproof Rock Wool Insulation and Mineral Wool Insulation
1) Small coefficient of heat conductivity and good capability of heating preservation;
2) Excellent fireproof capability, Excellent sound absorption and sound insulation capability;
3) Green building materils and no harm for body;
4) The rock wool has higher and better elasticity;
6)The folded rock wool board with certain compression resistance has greater drawing strength, and it does not tend to peel off and has greatly improved durability.
Thickness (mm)
30~100
100~150
Density (kg/m3)
100~200
70~180
Size (mm)
1200*630 1000*630 1000*600
Rockwool Board Rockwool Board,Rock Wool Sheet,Rock Wool Slab,Board Insulation Rockwool HEBEI HENGDA SEALING MATERIALS CO.,LTD. , https://www.hengdasealing.com
Employing high quality alloy steel for drilling body and tungsten carbide for drilling tip, and in combination with various types of electric hammer. The drill is one of the most efficient tools suitably and widely used for hole drilling in hard materials like concerte and brick in construction & installation industries. Available in sandblast, bright finish, black oxide, brown color etc.
Material:40Cr and Yg8C,spray paint in drill's head
Flut type:Double flutes,chip removal fast
Delivery time:30-35days
Payment Term:30%TT in advance and the blance will be paid after the copy of BL comes out.
Size in detail:
Diameter
Length
4
110--160
5
110--210
5.5
110--210
6
110--260
6.5
110--260
7
110--350
8
110--450
9
110--450
10
110--600
12
110--1000
14
160--1000
16
160--1000
18
210--1000
20
210--1000
22
210--1000
25
210--1000
28
280--1000
30
280--1000
SDS Plus Drill Bit with "W" Carbide Tip
Model NO.: 4*110mm-45*1000mm
Drill shape: Round
Condition: New
Customized: Customized
Trademark: customized
Origin: Zhejiang Hangzhou
HS Code: 8207509000