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ELC´s Vision
To be worldwide reference in tampering evidence solutions for the security of our customers assets.
ELC´s Mission
Develop, innovate and improve tamper indicative technologies to promote a better life for society with a higher ethical standard.
History

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1967, ELC has specialized in the Research and Development
of innovative and recyclable tamper-evident products
to best serve your security needs. Over this time,
ELC has often been awarded for its pioneering inventions
in security technology. |
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ELCs commitment to excellence in product and
service quality has allowed us to maintain a high
level of customer satisfaction. We offer an open
line of communication, with constant support, personalized
services, and courtesy. Among our primary customers
are Banks, Transportation companies, Post-offices,
Weight & Measures, Utility companies, Chemical
Plants, Armored courier, and Telecommunications.
ELC offers an incomparable line of products with
100% tamper evident envelopes, seals and bags:
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Starlock Envelope
- Three layers co-extruted
polyethylene envelope.
- Plastic closure
system: freon and heat proof.
- Reusable version
available - Environment friendly.
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Security seals
- Substitute the harmful
lead seals.
- State-of-the-art
embossing in polypropylene or in polycarbonate
raw material.
- Non-repetitive alphanumeric
numbers molded in high relief during
the manufacturing process.
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Snapseal Bags
- Substitute to keyed
zipper bags.
- Strong and lightweight
fabrics - PVC & Nylon Cordura.
- User-friendly tamper-evident
closure system.
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Evolution

| 1th
Generation |
The
first-generation security seals were made of wax,
clay or resin, melted into a paste stage through heat
(with wax) and moisture (with clay). It was then poured
over sealing string and relief-stamped. Violators
tampered the system by using heat or steam to open
the packages.
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2th
Generation |

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The
second generation seals were manufactured in soft
metals, such as lead and tin, which were marked and
sealed with a plier. Because of the softness in the
metal, violators would open the seal and reconstruct
it without leaving traces of tampering. |
3th
Generation |
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third generation brought two major innovations; the
manufacturing of self-locking plain seals and the
individual hot-stamped number identification
performed afterwards. However, a
violator may replace that seal by forging a duplicate
from a non-numbered seal, or even alter the numbers
on another seal to come up with a duplicate number.
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4th
Generation
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ELC
has introduced the fourth generation with a brand
new concept: 100 % tamper evident plastic seals with
high-relief numbering molded during
the manufacturing process. Each seal has a unique
alphanumeric combination, as human being have their
unique finger prints. There is no way to replace that
seal for another one with the same identity. |

Authentifier
The system is completed with
the authentifier, which makes the transcription of the seals
serial number onto the manifest document. There is NO transcription
errors.
5th
Generation
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In order to keep up with technology, ELC came up
with a contemporary numbering system called In
Mold Label (IML). Bar-codes, numbers, and corporate
logo are laser printed on paper, which is applied on
the seals tab during the manufacturing process. Paper
is fused on the seal and unable to be removed due to
its protection bars. State-of-the-art bar codes with
check digit provide consistent and dependable readability
by eliminating transcription errors and maximizing identification.
Exclusive to ELC, the high technology involved in the
manufacturing process makes the IML numbering system
100% tamper evident, and 100% modern. |
6th
Generation
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The
Sixth Generation Seal
The need to control and keep track of the several steps of the sealing operation led to the coming of the 6th Generation Seal, a new generation/classification research and developed by ELC Security Products. This is the so-called Virtual Seal or Security Link, in which the tracking of the seal through the web, based on the number/code of the seal, is fully controlled, from the manufacturing phase up to the interpretation of the inspected seals and the seal thrown-out. Please access www.elodeseguranca.com.br for better information about the qualities of the Virtual Seal or Security Link.
The Evolution of Security Envelopes

| Security Level 1 |
Only in the 1970´s there came the first versions of plastic disposable envelopes, aiming at a minimum tamper-proof level, thanks to the employ of the "hot-melt" adhesive. According to the present standards, this type of envelope may be classified as Security Level 1, since they may be opened by accident, under conditions of extreme cold or heat, as well as by tampering with freon.
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Security Level 2 and 3 |
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The next evolution brought an envelope provided with an anti-tampering adhesive called Red Void, followed by the Green Void, Security Levels 2 and 3, respectively. It happens, however, that they also may be opened by accident at extreme temperatures, as well as violated through application of freon.
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Security Level 5 |
| Then ELC launched in 2005 the Pentalock Envelope, provided with two Void adhesives, to make easier an eventual tampering identification. However, its performance in extreme temperatures has the same limitations of the previous bags. |
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Security Level 8 |
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| The highest standard in Security plastic Envelopes has been reached since the 1980´s with ELC Starlock, up to now an unsurpassed tamper-indicative closure system, made in polyethylene, freon-proof and temperature-proof, with no adhesives to compromise security and recyclability. Be it mentioned, also, the Starlock Plus reusable version, closed with a low-cost disposable seal. |
The Evolution of Security Bags

Strongboxes and safes
In the past, traditional safes, wooden-made or including metallic elements, did not provide any indication of an eventual tampering.
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Leather or canvas bags, with padlock |
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The Post-coaches adopted leather or canvas bags, closed with padlock, which did not provide an anti-tampering control
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Bags closed with Security Seals |
| In the 1970´s, the canvas bags of the Brazilian Postal Service came to be closed with the ELC label-holder called Leverlock, later internationally awarded and still in current use in the bags of armored-car companies. The Leverlock is closed with a bar-coded/ check digit numbered seal, allowing a perfect control of the operation. |
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| At the beginning of the 1980´s the Brazilian Postal Service moved from the padlock in use in the canvas bags to the ELC Security plastic Seal, which provided an anti-tampering control in bag transportation. |
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| The next evolution, also presented by ELC, was the reusable Snapseal Bag, conceived for document and valuables transportation, but also used in anti-doping kits. Due to its features, the Snapseal Bag is appointed as the highest security level in transportation bags |
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ELC as an inventive company
As referred above, ELC lived intensively all the technological evolution of the Tampering-indicative Devices. Yet, it would be unforgivable not to mention, though very briefly, its position as an inventive company. A very few companies in Brazil may be pointed out as living chiefly from what themselves invent, manufacture and commercialize. This is the case of ELC, today with 140 patents, in Brazil and in countries of the First World, employing 500 people, with distribution companies in Miami and Rome, internationally recognized as a leading company in the market of security seals, bags and envelopes. The small company which commercializes its own single invention is a well-known presence, but when we come to the middle-size company or to the ones with more than 40 years in existence that only operate with products developed by themselves, it is hard to find out a situation comparable with ELC´s.
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FILIAIS:
RIO DE JANEIRO
ELC Produtos de Segurança
Rua Sete de Setembro, 92 sala 1004 - Centro
CEP: 20050-002 -
Rio de Janeiro - RJ
Tel: (21) 2173-7888
E-mail: elc@elc.com.br
SAC 0800 707-7827
SÃO PAULO
ELC Produtos de Segurança
Rua Padre Estevão Pernet, 160 conj. 1101 / 1110
CEP: 03315-000 - São Paulo - SP
Telefax: (11) 2941-0404
E-mail: elcsp@elc.com.br
FÁBRICA:
ELC Produtos
de Segurança Ind. e Com. Ltda.
Estrada Prefeito Antônio da Cruz Barros, 693
- Limoeiro,
CEP: 25850-000 - Paraíba do Sul - RJ
Tel/FAX: (24) 2263-9500 / (24) 2263-9540/41
E-mail: elc@elc.com.br
DISTRIBUIDORES AUTORIZADOS:
ELC Security Products
8252 NW 30th Terrace
Miami, FL 33122
USA
Tel.: (305) 477-2303
Fax: (305) 477-0186
Toll Free: 800-377-3257
E-mail: seals@elcsecurity.com
ELC Prodotti di Sicurezza
Via Braccianense, 35 Interno APiano Terra,
Roma - 00123 - Italia
Tel.: (06) 308-93876
Fax: (06) 308-93877
E-mail: starlock.srl@tin.it
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