Locking format
Single-use insert-lock mechanism with an integral plastic locking head
MC-175 / PLASTIC SECURITY SEAL
MC-175 is a 175 mm polypropylene security seal with a printable flag. Catalogue MOQ 1,000 pieces. Review the original drawing, catalogue strength value, packing, customization and representative application.
Price and delivery timing are confirmed against your quantity, colors and print requirements.
PRODUCT OVERVIEW
MC-175 is a single-use identification seal for compatible closures. Single-use insert-lock mechanism with an integral plastic locking head. Original drawing: 175 mm overall length, 38 × 20 mm flag and 2.0 mm tail diameter. The drawing marks the available printing area inside the flag. The tensile figure is a catalogue average; request model-specific test evidence when a purchase specification requires a verified minimum.
Single-use insert-lock mechanism with an integral plastic locking head
100% new polypropylene (PP); all-plastic construction
Specify artwork and identifier requirements so the print method and available marking area can be confirmed.
TECHNICAL DATA
| Model | MC-175 |
|---|---|
| Seal type | Plastic Security Seal |
| Material | 100% new polypropylene (PP); all-plastic construction |
| Total length | 175 mm (6.89 in) |
| Catalogue tensile value | 3–5 kg average catalogue value; test method and guaranteed minimum are not stated |
| MOQ | 1,000 pieces |
| Lead time | Confirmed after quantity, color, artwork and destination are reviewed. |
| Seal format | Plastic Security Seal |
| Catalogue pages | 40 |
| Length configurations | 175mm, tag size: 38*20mm |
| Printing services | Laser marking, screen printing, UV printing and hot stamping; process feasibility confirmed per material and artwork |
| Locking format | Single-use insert-lock mechanism with an integral plastic locking head |
| Drawing notes | Original drawing: 175 mm overall length, 38 × 20 mm flag and 2.0 mm tail diameter. The drawing marks the available printing area inside the flag. |
| Catalogue piece weight | 1.8 g per piece (catalogue) |
Catalogue source: MANCHAO 2024, PDF pages 40. Reported value: 3-5kg. Test method and minimum guaranteed force are not established by this entry; confirm model-specific test evidence before specifying a required rating.
Source: MANCHAO Security Seal Catalogue 2024, PDF pages 40. Company printing services confirmed October 2026. Model-specific claims require supporting evidence.
DIMENSION REFERENCE

Original drawing: 175 mm overall length, 38 × 20 mm flag and 2.0 mm tail diameter. The drawing marks the available printing area inside the flag.
APPLICATION CHECK
Representative use: airline catering pouch. Separate one seal from the strip, pass its tail through both aligned zipper eyelets and engage the locking barrel. Confirm eyelet size, loop clearance and operator removal procedure on a sample; the illustration does not establish aviation approval.

Pass one separated seal through both aligned zipper eyelets of the closed catering pouch, engage the locking barrel and record the identifier. Confirm eyelet size and the approved removal procedure on a sample.
AI-generated application illustration; confirm closure fit with a sample.MARKING & COLORS
Laser marking, screen printing, UV printing and hot stamping are available for enquiry. Send logo artwork, identifier sequence, barcode requirements and required contrast. Confirm the available marking area, adhesion and readability on a production sample.
Fine logo, text and serial identification; contrast depends on the seal color and material.
Solid-color logos and text; artwork and color matching are approved before production.
Color artwork and identification; layout and surface adhesion are checked on a sample.
Foil-transfer text and logos; confirm foil color, marking area and artwork.

Red, white, yellow, pink, orange, light blue, black, green, grey or customized.
INSTALLATION & INSPECTION
1. Close the access point and align its designed sealing openings. 2. Pass the tail through both closure points. 3. Engage the tail in the locking head following the model orientation shown on the sample. 4. Check engagement, record the identifier and inspect the seal and closure at handover. 5. Remove according to the approved workplace procedure. Single-use; do not reapply after removal.
PACKING & ORDERING
Catalogue packing: 200 pieces per bag; 5,000 pieces per carton. Carton 57 × 40 × 34 cm; net weight 9.5 kg; gross weight 10.5 kg. Confirm current packing for the selected color and marking.
Send your quantity, destination, chosen colors and print requirements. Confirm samples, current packing and delivery terms before placing an order.
PRODUCT DOCUMENTS
BUYING QUESTIONS
Original drawing: 175 mm overall length, 38 × 20 mm flag and 2.0 mm tail diameter. The drawing marks the available printing area inside the flag.
100% new polypropylene (PP); all-plastic construction
3–5 kg average catalogue value; test method and guaranteed minimum are not stated
The supplied catalogue lists 1,000 pieces. Confirm color, marking and current quantity terms in the quotation.
1. Close the access point and align its designed sealing openings. 2. Pass the tail through both closure points. 3. Engage the tail in the locking head following the model orientation shown on the sample. 4. Check engagement, record the identifier and inspect the seal and closure at handover. 5. Remove according to the approved workplace procedure. Single-use; do not reapply after removal.
Laser marking, screen printing, UV printing and hot stamping are available for enquiry. Send logo artwork, identifier sequence, barcode requirements and required contrast. Confirm the available marking area, adhesion and readability on a production sample.
Catalogue packing: 200 pieces per bag; 5,000 pieces per carton. Carton 57 × 40 × 34 cm; net weight 9.5 kg; gross weight 10.5 kg. Confirm current packing for the selected color and marking.
Send quantity, color, artwork and destination so sample terms and delivery timing can be confirmed.
MC-175 / START YOUR ENQUIRY
Tell us your quantity, colors and marking requirements.