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Paper Shredder Security Information
Types of Security Levels
There are currently six types of security levels available for paper shredders. Security-level one is the least secure and security-level six is the most secure. It is usually recommended to use at least a security-level three when shredding secure documents. Security-level six is reserved for top-secret documents. This is a list of the six types of security levels and what the general particle dimensions and applications are for each.
Security Level 1
Designed for shredding general records, internal documents, and documents that need to be illegible after they expire.
STANDARD MEASUREMENT
- Approximately 3/8” x 1 ½-3 1/8” Cross Cut
- Approximately 3/8” Strip Cut
METRIC
- (10.5mm Strip Cut)
- (11.8mm Strip Cut)
- (10.5mm x 40-80mm Cross Cut)
Security Level 2
Designed for the shredding of internal/in-house documents. For shredding documents such as computer printouts or poor quality photocopies.
STANDARD MEASUREMENT
- Approximately 1/8” Strip Cut
- Approximately ¼” Strip Cut
- Approximately ½” x 9/16-2” Cross Cut
- Approximately ¼” x 9/16-2” Cross Cut
METRIC
- (3.9mm Strip Cut)
- (5.8mm Strip Cut)
- (7.5mm x 40-80mm)
Security Level 3
Designed for shredding confidential documents and personal data.
STANDARD MEASUREMENT
- Approximately 1/16” Strip Cut
- Approximately 1/8” x 1 1/8-2” Cross Cut
METRIC
- (1.9mm Strip Cut)
- (3.9mm x 30-50mm Cross Cut)
Security Level 4
Designed for shredding secret documents and more sensitive information. Can be used by companies to shred confidential documents.
STANDARD MEASUREMENT
- Approximately 1/6” x 9/16-5/8” Cross Cut
METRIC
- (1.9mm x 15mm Cross Cut)
Security Level 5
Designed and approved by the U.S. Department of Defense and the Canadian R.C.M.P. for top secret shredding. Ideal for high-security requirements.
STANDARD MEASUREMENT
- Approximately 1/32” x 3/8-1/2” Cross Cut
METRIC
- (0.78mm x 11mm Cross Cut)
Security Level 6
This is the highest level of shredder security currently available. Backed by the U.S. government and the NSA. Ultra secure shredding for the most sensitive documents.
STANDARD MEASUREMENT
- Approximately 1/32” x 5/32” Cross Cut
- Approximately 1/26” x 1/5” Cross Cut
Copyright 2006 - 
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