[Offer to Sell]

Lead sheets

Lead Sheets

Gravita offer Lead Sheet and Plates starting from thickness 0.5 mm to 16 mm or as per customer requirement of width and length. The sheets are supplied in flat from as well as in roll forms. Sheets can be packed in wooden exporting worthy packing. These sheets are used in X-ray and Gamma-ray protection, Building construction for roofing and flashing, Shower pans, Flooring, Vibration damping and soundproofing. Lead Sheet are also used by Chemical industry which will produce with special alloys.

Uses / Advantages of Lead Sheets
The use of lead sheet has increased dramatically over recent years particularly where it is widely used in the building industry.
1. The traditional wide lead mill is being replaced by sophisticated rolling mills producing coils of lead in the region of 1.2-1.5m wide. These coils are subsequently slit to width and cut to length on automatic equipment. The most common thicknesses in building applications lie between 1.3 and 2.2 mm but thicknesses of 2.6 to 3.6 mm are used for roofing prestige buildings. Thicker sheet alloys are rolled for applications such as anodes for electro winning and thin foils are used in the manufacture of damp course materials and for sound attenuation.
2. The benefits of lead sheet are considerable: it is rugged, flexible and long lasting and has considerable aesthetic appeal. Around 75% of the lead sheet consumed by the building industry is used as flashings or weathering to prevent water penetrating at points such as the bases of chimney stacks and abutments. The remaining 25% or so of the lead sheet is used for roofing and cladding. The use of lead for roofing is by no means confined to traditional applications such as churches and historic buildings; architects have been won over to the attractive and long lasting properties of lead sheet for modern buildings, both for roofing and for the vertical cladding of external walls.
3. By virtue of its resistance to chemical corrosion, lead sheet also finds use for the lining of chemical treatment baths, acid plants and storage vessels.
4. The high density of lead sheet and its "limpness" makes it a very effective material for reducing the transmission of noise through partitions and doors of comparatively lightweight construction. Often the lead sheet is adhesively bonded to plywood or to other building boards for convenience of handling. Current developments include a whole range of composite materials employing lead sheet for the reduction of noise in industry and from engines of all sorts.

5. A particular advantage of lead's high density is that only relatively thin layers are needed to suppress the transmission of sound. This makes for important space savings in the design of large modern buildings such as hotels and office blocks.
Freedom from Defects
The Lead Sheets shall be sound, free from inclusions, laminations and other harmful defects.

Sizes
The thickness and tolerance of sheets shall be as given in below table:-
Normal Thickness
Tolerances on Normal Thickness
Corresponding Normal Weight per Unit Area

mm
%
Kg/m2

0.5
Г‚В±10
5.7

0.8
do
9.0

1.0
do
11.3

1.6
do
18.1

2.0
do
22.7

2.5
do
28.3

3.2
do
36.2

3.5
Г‚В±7.5
39.7

4.0
do
45.4

4.5
do
51.0

5.0
do
56.7

5.5
do
62.1

6.0
do
68.0

7.0
do
79.1

8.0
do
90.7

9.0
do
102.0

10.0
Г‚В±5.0
113.0

12.0
do
136.0

14.0
do
159.0

16.0
do
181.0

Category: Raw Materials / Metals

Placement Date: Mar 20, 2009 GMT

Company name: gravita india limited	Company type: Importer
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State: (Premium Membership required)	Country: India
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