Locking format
Single-use strap or pull-tight locking format; confirm orientation on the sample
PRODUCT OVERVIEW
A clear specification for your application.
MC-300B/400B is a single-use seal for identification and opening checks on compatible closures. Original drawing: 300 mm and 400 mm overall variants, 45 × 28 mm flag, 3.8 mm ribbed tail diameter and 35 mm terminal reference. Select the variant against the required loop length. Catalogue strength values are not represented as guaranteed minimums without supporting model-specific test evidence.
Material & construction
Polypropylene (PP) with internal plastic locking clip
Identification options
Specify artwork and identifier requirements so the print method and available marking area can be confirmed.
TECHNICAL DATA
Specifications at a glance.
| Model | MC-300B/400B |
|---|---|
| Seal type | Plastic Security Seal |
| Material | Polypropylene (PP) with internal plastic locking clip |
| Catalogue tensile value | 10–15 kg 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 | 36 |
| Length configurations | 300mm/400mm |
| Printing services | Laser marking, screen printing, UV printing and hot stamping; process feasibility confirmed per material and artwork |
| Catalogue net weight | 4.5g/pcs |
| Locking format | Single-use strap or pull-tight locking format; confirm orientation on the sample |
| Drawing notes | Original drawing: 300 mm and 400 mm overall variants, 45 × 28 mm flag, 3.8 mm ribbed tail diameter and 35 mm terminal reference. Select the variant against the required loop length. |
Value transcribed from the supplied MANCHAO catalogue entry. Test method, laboratory, conditions and guaranteed minimum are not stated; request current model-specific evidence when required.
Source: MANCHAO Security Seal Catalogue 2024, PDF pages 36. Company printing services confirmed October 2026. Model-specific claims require supporting evidence.
DIMENSION REFERENCE
Check the fit before ordering.
Original drawing: 300 mm and 400 mm overall variants, 45 × 28 mm flag, 3.8 mm ribbed tail diameter and 35 mm terminal reference. Select the variant against the required loop length.
APPLICATION CHECK
Match the seal to the closure.
Representative use: agricultural seed supply tote. Pass the ribbed tail through both reinforced closure eyelets and the integral locking aperture, then tighten to the required loop. Confirm variant length, eyelet clearance and handling conditions on a sample.
Pass the tail through both lid and body sealing tabs, lock and record the identifier. Confirm hole clearance and that the lid cannot open while the seal is intact.
AI-generated application illustration; confirm closure fit with a sample.MARKING & COLORS
Define the identification details.
Laser marking, screen printing, UV printing and hot stamping are available for enquiry. Send logo artwork, identifier sequence and barcode requirements. Confirm marking area, contrast and adhesion on a production sample.
Laser marking
Fine logo, text and serial identification; contrast depends on the seal color and material.
Screen printing
Solid-color logos and text; artwork and color matching are approved before production.
UV printing
Color artwork and identification; layout and surface adhesion are checked on a sample.
Hot stamping
Foil-transfer text and logos; confirm foil color, marking area and artwork.
Catalogue colors
White, yellow, red, blue, green, orange or customized.
RedWhiteYellowBlueGreenOrange
Screen colors are references. Confirm the actual color on a sample.INSTALLATION & INSPECTION
Apply it once. Record and check.
1. Close the access point and align both designed sealing openings. 2. Pass the strap or tail through both openings. 3. Fully engage the plug or tail in its locking head. 4. Check engagement, record the identifier and inspect at handover. 5. Remove under the approved workplace procedure. Single-use; do not reapply.
PACKING & ORDERING
Plan your quantity and shipment.
Catalogue packing: 200 pieces per bag; 2,500 pieces per carton. Carton 57 × 40 × 34 cm; gross weight 12.2 kg. Confirm variant, color and marking.
For a useful quotation
Send your quantity, destination, chosen colors and print requirements. Confirm samples, current packing and delivery terms before placing an order.
PRODUCT DOCUMENTS
Keep the reference in hand.
PDFMANCHAO Security Seal Catalogue 2024MC-300B/400B model entry · PDF pages 36
↓BUYING QUESTIONS
Answers before you enquire.
Which length should I specify?
Original drawing: 300 mm and 400 mm overall variants, 45 × 28 mm flag, 3.8 mm ribbed tail diameter and 35 mm terminal reference. Select the variant against the required loop length.
What material is specified?
Polypropylene (PP) with internal plastic locking clip
What is the minimum order?
1,000 pieces
What strength information is available?
10–15 kg catalogue value; test method and guaranteed minimum are not stated
How should it be installed?
1. Close the access point and align both designed sealing openings. 2. Pass the strap or tail through both openings. 3. Fully engage the plug or tail in its locking head. 4. Check engagement, record the identifier and inspect at handover. 5. Remove under the approved workplace procedure. Single-use; do not reapply.
Can the marking be customized?
Laser marking, screen printing, UV printing and hot stamping are available for enquiry. Send logo artwork, identifier sequence and barcode requirements. Confirm marking area, contrast and adhesion on a production sample.
How is it packed?
Catalogue packing: 200 pieces per bag; 2,500 pieces per carton. Carton 57 × 40 × 34 cm; gross weight 12.2 kg. Confirm variant, color and marking.