HomeArticlesMod Emissions and Leak Testing Methods — 2026 Buyer Notes
Wholesale Guide

Mod Emissions and Leak Testing Methods — 2026 Buyer Notes

Published 2026-03-29 · 5 min read · by the VapeWholesaleHub sourcing team

There is a version of mod that sells through in six weeks and a version that sits in a back room for a year. The difference is rarely obvious from a product photo. Below is the checklist our team uses when a distributor asks us to quote mod for the first time.

Mod product overview
Reference view of the mod line prepared for wholesale evaluation.

Trends Worth Watching

One shift worth planning for: shorter mod reorder cycles with smaller average drops. It favours suppliers with flexible production slots over those who only want large annual commitments.

Pricing and Margin

The cheapest mod quote is rarely the cheapest outcome. Add freight, defect handling, delay risk and the staff time spent chasing, then compare again. The ranking often changes.

When you model mod pricing, build in a realistic shrink figure. Even a well run line loses a small percentage to damage, expiry and sampling. Pretending that number is zero is how a healthy looking margin turns negative.

Indicative reference points for planning purposes: entry tier from USD 1.12 per unit at 2000 units, mid tier at USD 1.43, and volume tier at USD 1.19 for full container quantities. These figures move with specification, packaging and freight, so treat them as a shape rather than a quote.

The Specification That Matters

Two specifications that matter more than buyers expect: the seal integrity after a drop test and the consistency of the draw from first use to last. Both are measurable before you commit to volume.

Two specifications that matter more than buyers expect: the seal integrity after a drop test and the consistency of the draw from first use to last. Both are measurable before you commit to volume.

Reference specification for Mod orders
Product categoryRefillable kit
Resistance band0.6 - 0.8 ohm
Capacity tolerance+/- 2%
Puff count methodDeclared by capacity
Master carton200 units
Carton weight6.5 kg
Shelf life12 months
Storage15-25 C, dry, away from direct light

Merchandising and Listing Tips

Online, the listing for mod should answer three questions without scrolling: what it is, how strong it is, and what it tastes like. Everything else belongs further down the page.

Rotate mod facing rather than price for the first month. Visibility changes sell-through more reliably than a small discount, and it does not train customers to wait for offers.

Where Mod Sits in the Range

One useful exercise: list every mod line you stock and mark the last date each one sold at full price. Anything without a recent full price sale is taking space from something that would use it better.

Practical Checklist

Frequently Asked Questions

Can I mix strengths in one order?

In most cases yes, as long as each strength meets the minimum run length. Mixed strength cartons are popular with retailers building their first display because they show the full ladder without over committing.

How are price changes handled on repeat orders?

{K} pricing is reviewed against input costs and volume rather than adjusted casually. Any change is confirmed in writing before the next order is scheduled, with the reason stated so you can judge it yourself.

How do you handle a short shipment?

Cartons are counted and weighed before dispatch and the figures are shared with you. If something is short on arrival, the packing record and the carrier documentation are both available, which keeps the claim straightforward.

How long does a mod order take to arrive?

Production typically takes ten to eighteen working days after artwork approval, and transit depends on the method you choose. Air express is fastest, sea freight is cheapest at volume. We confirm both at quotation so there is no surprise later.

Next Step

We would rather quote you accurately and lose the order than quote optimistically and lose the relationship. Ask us the awkward questions early.

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