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Your Morgan, Peace and Eisenhower Silver Dollars are not just an investment in precious metal, but a real part of history, artistic and value. It is important that such investment is secured against the invisible risks of time, environment, and handling. Collectors have long-endured the hazards of inadequate storage causing irreparable harm due to problems such as "PVC contamination," atmospheric tarnishing, and micro-abrasions which can reduce the grade and collectibility of a coin.
Air-Tite Model H Direct Fit H38 Capsule is the professional-grade fix to these issues. This is not a regular plastic case; this is a preservation system individually engineered using archival quality preservation materials to protect the condition, grade and value of your most prized 38 mm coins long after you are gone. These capsules are manufactured in the USA with crystal-clear, PVC-free acrylic and provide superior long-term protection, thus making them a secure choice to collectors all over the globe. It is, of course, a common knowledge that a precious object must be kept under a useful holder, and the Air-Tite H38 is designed with this in mind, making it a handy weapon of an investment protection.
The efficiency of a coin capsule solely depends on the material that it is made out of. Although most plastics may look alike, their chemical constitutions may spell the dissimilarity between preservation and irreversible harm. Air-Tite capsules are made with a specialized polymer carefully selected by scientists in order to promote maximum archival security.
Air-Tite capsules are manufactured using a chemically inert, high grade acrylic called Poly(methyl methacrylate), or PMMA. The material is used as the standard in museum and conservation practice because of its long-term stability. In comparison to lower plastics, PMMA is neither degraded nor off-gases toxic chemicals, which are capable of causing corrosion.
Moreover, Air-Tite capsules have the acrylic infused with a special non-yellowing agent and UV stabilizers. Energy in UV light such as sunlight and even in interior lighting degrades polymers through a mechanism known as photodegradation and results in yellowing and brittleness. Air-Tite contains additives (such as Hindered Amine Light Stabilizers (HALS)) which actively seek out and quench the free radicals created by the UV light, stopping the degradation process at the molecular level and leaves the capsule crystal clear for decades.
Polyvinyl chloride (PVC) is used to produce many cheap soft plastic coin flips. Although it is more appropriate in temporary transportation, long term storage of coins in plastic holders are among the greatest dangers to a coin collection. This is done in a two pronged chemical attack.
First, chemicals known as plasticizers are added to enhance the otherwise hard PVC to be soft and pliable. With time (and particularly under the influence of heat and humidity) these plasticizers migrate out of the holder and leave a sticky, oily film on the surface of the coin, commonly referred to as "green slime". This residue would aggressively oxidize the metal, especially the copper alloy even when a coin has 90 percent silver and this results to discoloration and corrosion.
Second, there is also the degradation of the PVC polymer itself, which is referred to as dehydrochlorination releasing hydrochloric acid (HCl) gas. This acid forms a hostile microclimate in the holder and induces microscopic pitting and irreparable etching of the coin surface. Air-Tite capsules carry a guarantee that they are 100-percent PVC-free, further removing the chemical hazard and making them the sole scientifically respectable alternative in the long-term preservation.
Even the design of a coin holder is crucial like the composition of the material. The Direct-Fit system developed by Air-Tite is specially designed to solve a minor yet expensive menace on uncirculated coins; shifting inside the holder.
Direct-Fit capsules are made to exact diameter and thickness of an individual coin, in this case 38.1mm. This forms a safe, tight fitting seal that does not need more foam rings or gaskets, which may blur the edge of the coin. The coin is held in place in the acrylic so it will not rattle or move about when carrying or transporting the coin.
The distinction between a Mint State (MS) coin, and an About Uncirculated (AU) coin in the world of numismatics can mean hundreds or even thousands of dollars in difference. The most common cause which can cool a coin down is the existence of the cabinet friction or the album slide marks. The term is used to refer to the slight rub or disruption of the mint luster of the highest points of the design of a coin by repeated and slight motion against its holder.
Even a little bit of rattling within a loose capsule can over time, give rise to these micro
Your Morgan, Peace and Eisenhower Silver Dollars are not just an investment in precious metal, but a real part of history, artistic and value. It is important that such investment is secured against the invisible risks of time, environment, and handling. Collectors have long-endured the hazards of inadequate storage causing irreparable harm due to problems such as "PVC contamination," atmospheric tarnishing, and micro-abrasions which can reduce the grade and collectibility of a coin.
Air-Tite Model H Direct Fit H38 Capsule is the professional-grade fix to these issues. This is not a regular plastic case; this is a preservation system individually engineered using archival quality preservation materials to protect the condition, grade and value of your most prized 38 mm coins long after you are gone. These capsules are manufactured in the USA with crystal-clear, PVC-free acrylic and provide superior long-term protection, thus making them a secure choice to collectors all over the globe. It is, of course, a common knowledge that a precious object must be kept under a useful holder, and the Air-Tite H38 is designed with this in mind, making it a handy weapon of an investment protection.
The efficiency of a coin capsule solely depends on the material that it is made out of. Although most plastics may look alike, their chemical constitutions may spell the dissimilarity between preservation and irreversible harm. Air-Tite capsules are made with a specialized polymer carefully selected by scientists in order to promote maximum archival security.
Air-Tite capsules are manufactured using a chemically inert, high grade acrylic called Poly(methyl methacrylate), or PMMA. The material is used as the standard in museum and conservation practice because of its long-term stability. In comparison to lower plastics, PMMA is neither degraded nor off-gases toxic chemicals, which are capable of causing corrosion.
Moreover, Air-Tite capsules have the acrylic infused with a special non-yellowing agent and UV stabilizers. Energy in UV light such as sunlight and even in interior lighting degrades polymers through a mechanism known as photodegradation and results in yellowing and brittleness. Air-Tite contains additives (such as Hindered Amine Light Stabilizers (HALS)) which actively seek out and quench the free radicals created by the UV light, stopping the degradation process at the molecular level and leaves the capsule crystal clear for decades.
Polyvinyl chloride (PVC) is used to produce many cheap soft plastic coin flips. Although it is more appropriate in temporary transportation, long term storage of coins in plastic holders are among the greatest dangers to a coin collection. This is done in a two pronged chemical attack.
First, chemicals known as plasticizers are added to enhance the otherwise hard PVC to be soft and pliable. With time (and particularly under the influence of heat and humidity) these plasticizers migrate out of the holder and leave a sticky, oily film on the surface of the coin, commonly referred to as "green slime". This residue would aggressively oxidize the metal, especially the copper alloy even when a coin has 90 percent silver and this results to discoloration and corrosion.
Second, there is also the degradation of the PVC polymer itself, which is referred to as dehydrochlorination releasing hydrochloric acid (HCl) gas. This acid forms a hostile microclimate in the holder and induces microscopic pitting and irreparable etching of the coin surface. Air-Tite capsules carry a guarantee that they are 100-percent PVC-free, further removing the chemical hazard and making them the sole scientifically respectable alternative in the long-term preservation.
Even the design of a coin holder is crucial like the composition of the material. The Direct-Fit system developed by Air-Tite is specially designed to solve a minor yet expensive menace on uncirculated coins; shifting inside the holder.
Direct-Fit capsules are made to exact diameter and thickness of an individual coin, in this case 38.1mm. This forms a safe, tight fitting seal that does not need more foam rings or gaskets, which may blur the edge of the coin. The coin is held in place in the acrylic so it will not rattle or move about when carrying or transporting the coin.
The distinction between a Mint State (MS) coin, and an About Uncirculated (AU) coin in the world of numismatics can mean hundreds or even thousands of dollars in difference. The most common cause which can cool a coin down is the existence of the cabinet friction or the album slide marks. The term is used to refer to the slight rub or disruption of the mint luster of the highest points of the design of a coin by repeated and slight motion against its holder.
Even a little bit of rattling within a loose capsule can over time, give rise to these micro
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