Film blowing · Printing · Bag making — in-house
ZANFENGNEW MATERIALSBuild a brief ↗

AUTOMOTIVE APPLICATION

Braking components.
Prepare the packed part.

Pads, discs, hardware and service kits.

BRING TO THE BRIEF

What the category
cannot tell us.

Bag style must follow the component and complete packaging arrangement, not only the category name.

Build an application brief

Useful starting information

  • Pieces per pack and stack arrangement
  • Edges, corners and surface contact
  • Part label and outer packing method

Film grade, thickness, opening and print layout are reviewed together. If any detail is unknown, leave it for discussion rather than guessing.

How the part family changes the brief

Brake pads, discs and hardware have different edge, weight and surface risks. A bag format should be chosen after the packed stack or kit arrangement is defined.

Packaging risks to review

  • Friction surfaces can be marked by contact or debris.
  • Disc edges can cut or puncture a simple film.
  • Hardware can migrate and rub against a painted or machined part.
  • A heavy stack can stress the bag mouth and seams.

Information worth sending first

  • Pieces per pack and stack arrangement
  • Edges, corners and surface contact
  • Part label and outer packing method

Bag format discussion

Start from how the pack is filled, carried, opened and stored. A flat bag, handled bag, zip-seal bag or easy-tear bag may each be discussed, but the format name does not establish dimensions, film or performance. Bag style must follow the component and complete packaging arrangement, not only the category name.

Sample and verification checklist

  1. Define the pieces in one pack and their stacking order.
  2. Identify friction, painted and machined surfaces.
  3. Test the pack with the real weight and edge condition.
  4. Confirm the label and any required separation of hardware.

What needs project confirmation

Film grade, thickness, usable opening, print layout and special performance are reviewed together. Sampling is available; scope, timing and cost are agreed individually. Production timing and commercial terms remain subject to quotation. Requests for ESD, corrosion, barrier, cleanliness or fluid-contact performance need an explicit technical review.

Preparation questions before an RFQ

Before asking for a price, record the packed outline, the number of pieces in one pack and the condition in which the part arrives. State whether it is dry, oiled or handled with gloves, and whether the pack is opened once or more often. These details change the discussion more than a generic material name.

Keep a photo or drawing tied to the part reference. A vehicle model or catalog image can help identify the component, but it does not replace packed measurements. If a current bag is in use, send its measured dimensions and note what works or fails.

How to compare a sample

Compare samples with the same component and pack quantity. Check the opening, seam, closure and label after filling, then repeat the handling step that matters for the route. Write down the result and keep the sample reference with the artwork version so a later change is not confused with an approved arrangement.

Transit protection remains a separate question. A flexible bag can contain and cover the part, while an outer carton, divider or other support controls movement and external load. Review the complete packing system before treating a bag trial as a transit result.

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