Stream Peak International have developed over 40 years of experience in the protection of packaging solutions covering various market sectors such as Electronics, Logistics, Food, Pharmaceutical, Power, Aerospace and Military industries.     

Stream Peak International have recently launched a new version of their website showcasing their product range, below are links to their e-catalogue.

Desiccators provide protection against corrosion, moisture, and contamination.

https://streampeak.com.sg/e-catalogue/product/categories/desiccant-desiccators

Immersion Breathers are used to prevent pressure or vacuum build-up in instruments or equipment subject to water spray or immersion.

https://streampeak.com.sg/e-catalogue/product/categories/immersion-breathers

Desiccant Breathers are often used to protect materials stored in tanks or drums from moisture contamination, Desiccant Breathers are used to dry the incoming air whenever there is air movement within the storage tank or drum.

https://streampeak.com.sg/e-catalogue/product/categories/desiccant-breathers

Nitrogen Purging System maximises dry gas purging process to prevent the damage of equipment.

https://streampeak.com.sg/e-catalogue/product/categories/nitrogen-purging-systems

Protect and Transport your Electronics, Machineries, Packaging, Art pieces and Food damage-free with our extensive range of desiccants.

https://streampeak.com.sg/e-catalogue/product/categories/desiccants

Pressure relief valves protect enclosed containers and equipment by releasing excess vacuum and pressure from a system.

https://streampeak.com.sg/e-catalogue/product/categories/pressure-relief-valves

This video will show you how to preserve your flowers for a memorial occasion such as a wedding, valentine’s day, birthday or anniversary using silica gel desiccant to adsorb the moisture out of the flowers in order to preserve the full shape of your flowers and maintain the three-dimensional effect.

Selecting the right silica gel desiccant for the preservation of your flowers would be a smaller granular size less than 1mm for an optimum drying process.

Please click on the link below to purchase your non-indicating silica gel online:

https://brownell.co.uk/1kg-non-indicating-silica-gel-0-0-3mm-granular.html

Equipment Required

1. Air tight plastic container

2. 1kg 0.03mm non-indicating silica gel desiccant

3. Flowers

4. A small brush (to remove excess silica gel from the flower)

5. Small plastic container (to remove the silica gel)

Instructions

1. First what you’ll want to do is put a layer of silica gel in at the bottom of the container. 

2. Then make sure to have your flowers stem cut short and place it upright into the silica gel make sure it stands up right like that.

3. Now take your silica gel and pour around the flowers and not on top because you don't want to flatten them and ruin the shape of your flowers, so go around them slowly and build around the flowers.

4. Once you have enough around your flowers proceed to cover the top of the flowers till you can’t see the flowers anymore like that.

5. It’s been 2 weeks now and our roses are ready to be taken out of the silica gel. So slowly pour out some of the silica gel till you are able to see the flowers. (Depending on the type of flowers that have been chosen for the drying process and how many petals contained, it can take up to 2-8 weeks or longer)

6. Once you’re able to see the flowers go ahead and pick it up

7. Be careful as the flowers are very delicate and you can easily lose a petal now just turn it over give it a quick shake and put it to the side safely and continue to do this with the other flowers.

8. For the finishing touches find yourselves a brush with a very soft tip to clean up the tiny bits of silica gel leftover on the flower that are stuck to it and after you’ve cleaned up your flowers there ready to be used.

Brownell Hydraulic Reservoir Breathers protect the contents of reservoir and storage vessels against water contamination. Water contamination of hydraulic oil can cause the failure of hydraulic systems.

These rechargeable units also minimise pressure differentials and odour emissions. The design of the dryers incorporates excellent weather protection, making them suitable for external applications.

An active desiccant bed retains the moisture before it enters the vessel. Field trials have proven that most existing water vapour contained within a vessel is quickly removed when these vent dryers are fitted.

Brownell’s range of products designed to keep Hydraulic oil operating at its optimum include:

• Vent Dryers - Gear boxes, hydraulic reservoirs
• Tank Vent Dryers - Large hydraulic reservoirs
• Pipe line Dryers - For air airline protection
• In Line Dryers - For fluid product protection

Many applications involve storage of volatile and flammable liquids which pose a real risk to safety. In such environments, where there is a serious risk of explosions, overpressure and vacuum conditions generated inside the tank by warming/cooling cycles of the fluid and emptying/filling operations tend to increase the exposure to this hazard.  This can be prevented by expelling the excess air through a venting port or vent pipe. Tank Vent Dryer operates as a breather and can be simply installed with a direct connection to an existing breather or vent pipe. The absence of moving parts or electrical components in the Tank Vent Dryer minimises the possible causes of ignition. Tank Vent Dryer complies with the directive 94/9/EC (ATEX) and therefore is suited for applications where there is a high exposure to hazards such as potential explosions.

On the other hand, when the direction of the flow is inverted (negative pressure) and air is pushed inside the tank, it is extremely important that external contaminating agents and moisture laden air do not enter the container. Tank Vent Dryer is the ideal solution to protect any volatile fluid from moisture. Industrial fluids in general are affected by water vapour contamination, which modifies the fluid properties. F or example, biofuels are particularly sensitive to moisture due to their nature. Presence of water in this type of fuel can potentially cause bacteria growth which will decrease the performance of the fuel. In addition, depending on the fluid chemical composition and on the ambient temperature, moisture can also cause corrosion problems and formation of ice.

Tank Vent Dryer is available in various configurations, materials and sizes, it can be wall mounted (models 605, 610 and 615) or floor mounted (models 620, 630). This product is suitable for tanks of a considerable size, with a capacity of up to 500,000 litres. Extra precaution might be observed in order to achieve pressure equalisation by installing pressure relief valves on the connecting pipe. The main body is available in mild steel or stainless steel indicated for more aggressive environments.

Tank Vent Dryer can be filled with a variety of adsorbent products according to the customer requirements. Silica gel Envirogel can adsorb moisture up to 30% of its weight and the desiccant colour change from orange to green is a clear indication that the desiccant is saturated and needs to be replaced. A UV stabilised polycarbonate clear window installed on the body allows visual reading of the saturation level of the desiccant.

Molecular sieves are a suitable alternative for those applications in which very low dewpoints are required. It adsorbs moisture up to 20% of its weight and has high adsorption efficiency at high temperatures.

When the desiccant is saturated, it can be easily replaced by simply removing the desiccant holder. Refills Packages are available for every model.

Depending on the application Molecular Sieves Desiccant is effective in preventing the presence of free water and hydrogen to lower explosive limits.

Molecular Sieves Desiccant is available in many forms including both tyvek bags and various beads sizes.

Molecular Sieves Desiccant is ideally suited to adsorbing moisture desiccant along with a Zeolite to adsorb Hydrogen. Both Zeolite adsorbents are capable of operating at high temperatures of more than 500°C. The bead type of Molecular Sieves Desiccant offers some degree of flame suppression in urgency conditions.

The use of in line filtration is a common practice to remove both free and dissolved water. With the use of physical filtration and desiccant drying very effective contamination prevention can be achieved of these oils and fluids.

With the application and use of desiccant drying protection with residual levels of 10 ppm can be achieved for free and dissolved water.

This helps the protection of hydroscopic oils and fluids which can suffer from emulsification and loss of oil and fluid properties  at values of 100ppm. A typical application is the use of preventing heat transfer blocking caused by the freezing of free and dissolved water.

Simply enclosing the product in a sealed polythene bag will dramatically changes the protection from days to months and beyond. Referring to the attached picture you will observe that even installing a large number of silica gel desiccant bags fail to dry the environment within the briefcase.

Protecting precision instruments and products against the effects of humidity and condensation is relatively simple. By packaging properly (keeping your product in a sealed box or bag) with a suitable desiccant bag provides product reliable protection.

For further information on our domestic products, please click here

50% RH is a typical relative humidity control level which is used in various industries to prevent the effects of humidity damaging products and components. Semi conductors and hygroscopic powders often require levels of humidity indicator as low as 10% RH.

Relative humidity indicators can also be used in conjunction with desiccators, desiccant bags and moisture adsorbers.They provide an indication of when the desiccant is saturated and requires replacement or recharging. Humidity indicators can also be used to monitor the relative humidity inside cabinets storing i.e. antique items where low and high humidity can cause irreparable damage.

A distinctive colour change of blue to pink indicates the transition of the relative humidity from dry to wet. Relative humidity indicators are fully reversible and will change colour when dried with a desiccant or placed in a dry environment for example a glove box.

Relative humidity indicators can be fitted in panel mounting housings for viewing the internal relative humidity of an instrument or system. Multiple level relative humidity indicator cards are commonly used to provide a better understanding of the humidity levels.

As a company which manufactures and sells silica gel bags, we wanted to investigate this practise of using desiccant bags to protect goods in shipping by sea.

There are contrasting opinions about the real benefit deriving from the use of these bags due to their small size and, more important, from the fact that the goods are not sealed or kept in an enclosed environment. And ultimately this would lead to rapid saturation of the silica gel bag.

Experts who work for companies in the moisture protection field would approach the problem in a different way. They would probably want to know the material of the item to be protected, its volume, the typical ambient conditions (temperature, relative humidity, etc.), the storage duration, etc... And they will all come out saying that a small silica gel bag (1-3 grams) would not be able to protect anything because of the limited amount of desiccant and the absence of a sealed container.

We have now had some opportunity to test how a 3 grams silica gel bag inside a briefcase protects against humidity in different ambient conditions.

A safe environment for leather goods will maintain ambient temperature and relative humidity within a certain range. Mould would start to appear when the relative humidity exceeds 60%. However, an excessive desiccation would dry out the goods deteriorating the material. For this reason, the relative humidity should never decrease below approximately 45%RH.

The results of test showed that in extreme humid conditions, typical of a maritime environment, the sachet saturates in a week on average. This certainly doesn’t cover the shipping time.

In room ambient conditions (22°C and 35%) the sachet has a quick initial adsorption and once it exceeds half of its adsorption capacity, the adsorption process gets slower. The point when it slows down is reached in approximately 15 days, which it is still very short.

We initially thought that when the temperature varies, that little silica gel bag that was saturated before, reactivates a decent percentage of its adsorption capacity to be able to adsorb again during the next cycle.

This theory couldn’t be proved by the test.

The new Electronic Humidity uses a polymer humidity sensor combined with a thermocouple to provide a digital display reading of relative humidity, ambient temperature and dewpoint. The operating range of the electronic relative humidity indicator is 5 to 80%RH, -20^oC to +15^oC dewpoint and -20^oC to 60^oC temperature.

The electronic RH indicator removes the uncertainty associated with temperature by converting the readings to dewpoint. Dewpoint is an absolute measure and is not influenced by temperature.

Dewpoint indicates the temperature to which the system or instrument can be cooled before condensation (or frost) will occur.  This qualifies dewpoint as a quality control standard for specify an operating performance for systems and instruments.

The Electronic Indicator is mounted in a robust IP67 enclosure with a membrane press switch to activate the three readings in sequence. The operational battery life is typically 10 years.

Although the majority of the electronics is protected by enclosures or other water-proof containers, moist air can penetrate into the cabinet and water may deposit on circuit boards determining a significant cause of failure.

Condensation on the board produces dramatic effects on all the elements that are part of the electrical circuit. Surface moisture leads to formation of corrosion of tracks and pads, which in turn will increase the electrical resistance and reduce the performance of the electrical component. A more unpleasant possibility involves the growth of metal dendrites or metal filaments on the board surface, which, passing through tracks and pads, can cause short circuits and ultimate failure of the PCB.

Conformal coatings, currently used to protect electronics from the external environment are expensive and not suitable under conditions of high humidity. The impossibility to use desiccant bags for this scope together with the necessity to reduce the risk of desiccant dust contamination, make the Moisture Adsorbing Board the appropriate solution to this problem.

The Moisture Adsorbing Board is a sheet-form desiccant agent, available in a standard 295mm x 205mm x 1.6mm and A4 sheet size, which protects the components from moisture and acts as physical barrier between the PCB and the external environment.

Numerous variations on the shape and size of moisture control products are required to address different needs. As a consequence, designing different prototypes may turn to be relatively expensive. However, the Board can be cut, shaped and punched according to the user`s specific needs.

The main benefit is represented by the adaptability of the Moisture Adsorbing Board; hence its ability to offer adequate protection in those situations in which conventional desiccant bags cannot be employed.