Showing posts with label rockwool. Show all posts
Showing posts with label rockwool. Show all posts

Friday, October 21, 2011

Rockwool Insulation Properties

I suppose that you have at least once heard about Rockwool. I would be surprised if you haven’t as this is the number one insulation company on the market. It has many years of success behind its back and keeps improving its products. There are many properties of the insulation produced by Rockwool and in this article, we will pay attention to the most important ones.
Rockwool is mainly preferred by marine, offshore and industrial buildings. However, more and more households have set their eye on their products. The main properties that make this brand so popular are: sound proof, fire resistance, water and moisture repellent etc. Those are amongst the most important features of this insulation. No wonder so many people prefer it for their homes. And if installed properly, Rockwool insulation has a long life. No more drafts and cold feet, no more worries that the kids might set your house on fire and no more sleepless nights because the neighbors are having a party. I will make you familiar with some stories of people that have discovered Rockwool insulation and which of the properties they prefer the best.

Rekewei Insulation Materials Co., Ltd.

TEL:+86-151-05951699
E-mail: info@glass-wool.com
ADD: A3, Houxi Industrial District, Jimei Area, Xiamen, China
Website: http://www.glass-wool.com

Gardening with rockwool plugs

Rockwool
We placed rockwool at the end of the list because this is one of the most common choice among hydroponics gardeners due to its versatility and ease of use.
Originally, rockwool was invented for use as home and building insulation. The first hydroponic gardeners that realize the usefulness of this substance were those living in Denmark; since then, it has become commercially available for use in hydroponics in two forms: rockwool cubes and rockwool cubes. The manufacturing process is similar to that of cotton candy; once stone and sand has reached the melting point, the fibers are spun into many different sizes and shapes.
The Advantages of Rockwool As a Growing Medium
rockwool cubes come in sizes up to 36″ by 12″ by 3″ and can easily be cut into the desired shape. It is extremely porous, able to hold tremendous amounts of air and water – so should your water pump fail for any reason, whether by shutting down or providing too much water, the roots of your plants will be safe long enough for you to take corrective action.
If you prefer, you can purchase rockwool plugs as well. These are small granules that stick together quite well, so messes are avoided.
Precautions
All hydroponic supplies have their advantages as well as their drawbacks, and rockwool is no exception. It is not especially environmentally friendly; being made of rock, it does not bio-degrade, therefore care must be used in its disposal. It can also present a health hazard if improperly handled; rockwool dust in the lungs can cause silicosis. It’s important to wear a face mask with approved HEPA filter when working with rockwool.
Finally, rockwool as a very high pH level; therefore, you’ll need to amend it with some kind of acidic substance and monitor pH levels on a regular basis.
As far as growing mediums are concerned however, rockwool’s light weight and ease of use make it a fine choice for use in hydroponics. Take sensible precautions, and it can be one of the best growing mediums around.

Anne Harvester has a great deal of experience with indoor gardening. Hydroponic gardening is the way of the future. Known to some as “soil less gardening”, hydroponics are proven to grow plants 20-30% faster than their soil grown counterparts.

Friday, October 14, 2011

rockwool loft insulation

rockwool loft insulation
Rockwool Roll is a medium density multi-application insulation mat.  This versatile Roll is suitable for thermal insulation of roof spaces in domestic, commercial and industrial buildings.  It is also useful for improving the acoustic performance of suspended ceilings. Roll is produced in 1200mm width. The packaging provides cutting guidelines should the product be required in 400mm or 600mm widths. By cutting through the product with a long serrated blade, this will ensure the material can be cut to the desired widths. Alternatively, Rollbatt is supplied pre-cut to 400mm (x3) or 600mm (x2) widths.
 
Thermal insulation for lofts. Acoustic insulation for suspended ceilings

Advantages

Multi-application product
Fire, thermal and acoustic properties
Easy to use for 400 and 600 mm centres
Higher density provides superb fit.

heat insulation glass wool

High quality glass wool board with very competitive price and very professional service.

ISO9001 international quality certification.
High quality, reasonable price with professional service.

Production Technique
Glasswool Boards are board materials made from superfine rockwool felt with addition of phenol resin cementing agent forming shapes through solidification under pressure and heating. The surface may be coated with PVC film or aluminum foil.These products are characterized by their light weight,high deadening coefficient,remarkable fire resistance and stable chemical property.
Applications
Heat and coldness preservation and deadening of roof.
Heat and coldness preservation of buildings.
Deadening treatment of recreational places,cinema,theater,TV station,broadcast station,laboratory,etc.

Production Technique
This product is pipe shaped product made from superfine rockwool felt with addition of phenol resin cementing agent forming shapes through solidfication under pressure and heating. The surface may be coated with PVC film or aluminum foil.
Applications
Mainly used in the heat and coldness preservation of piping in petroleum,chemical, thermal power industries and industrial heat supply and civil heat supply,etc.

Tuesday, October 11, 2011

waterproof rockwool

Waterproof rockwool

With treating waterproof agent during process rockwool, this kind of rockwool can float on the water when facing water. So the material can be used as sounds absorption and heat insulation in special waterproof environment.

Density: 50kg/m3 ~ 200kg/m3

Thickness: 30 ~ 200mm

Width: 0.5m ~ 0.63m

Length: 0.5m ~ 5m

Rekewei Insulation Materials Co., Ltd.

TEL:+86-151-05951699
E-mail: info@rekewei.com
ADD: A3, Houxi Industrial District, Jimei Area, Xiamen, China
Website: http://www.rekewei.com/

Monday, October 10, 2011

Color Steel Rockwool Panel

Color steel rockwool panel is easy to install rockwool sandwich panel for buildings,
when you have set up the steel structure for the house /factory plant/refrigerating room,
with only several workers could install the panel with much shorter time compare with the traditional construction.

The rockwool sandwich panel could be used as roof and wall for all kinds of factory building, workshops, cold storage containers and residential houses.
With high quality, our products could be used in any kind of buildings.

Sunday, October 9, 2011

mineral Rockwool

Basalt Rockwool
Non-combustibility A1 GB Testing
Heat and sound Insulation
Prevent fire
No smoke or poison,easy construction

Welcome to visit our website: rock-wool.com

Product Name Rock Wool
Noncombustibility A1  GB Testing ISO9002:1994

Specification

Rock wool Board
Density  60K-200K
Thickness 50mm-100mm
Length 1000mm  1200mm
Width  600mm  630mm
It can Stick a lot kinds of  aluminum foil on the Products surface
We can also made the other specifications according to the customers requirements


Packing
1. The Whole product packed in
2. Hot seal shrink
We can aslo plate the making packing as the customers requirements.


Technical Parameters
Conductivity Coe<7 um
Non-combustibility A1(nonflaming)
Water absorprio  ≤2%
Water repellent rate 98%
Content of organic matter ≤4%
Compressive strength ≥40Kpa
Corrosion resistance  Nice chemical stability
Moldy resistance capacity  No poison  No mildew


The field of usage
Our product is widely used for the heat insulation and sound absorption and heat preservation of pipes in building field Our main market is in Europe, Midle East, Southern Asia, Northen America, and other areas in the world.

Thursday, October 6, 2011

granulated rockwool for sound insulation

roof heat insulation:
CE cetificate
Density: 300kg/m3
Thermal conductivity coefficient: 0.039w/m.k

roof heat insulation is granular product made from rockwool fiber. It is mainly used  for filling irregular spaces and apertures in thermal insulation structure as well as spraying onto steel structure buildings for fireproofing and manufacturing sound-absorbing ceiling board.

Product properties :
Organic material cotent:  ≤0.5%
Thermal conductivity coefficient:  ≤0.039W/m.K
Average test temperature:  70±52,                    Test density:  150kg/m3
pellet diameter distribution:  >12.7mm,  ≥60%
                                              <6.35mm,  ≤10%