Material Selector

Lower Impact Material Choices Start with Clear Trade-Offs

This material selector page outlines how Constantia Flexibles helps teams consider recycled content, downgauging, service life, documentation and process yield without pretending that every polymer decision has a single simple answer.

Responsible material selection is a series of trade-offs: performance, availability, processing stability, compliance, waste reduction and customer claims all need to hold together. Constantia Flexibles supports buyers by turning those trade-offs into specific questions before a grade is selected.

Reduce avoidable trial waste

Better upfront screening can reduce the number of unsuitable grades sent to production trials. That saves resin, labor, machine time and avoidable scrap.

Consider recycled or mass balance paths

Where the application allows it, the conversation can include recycled content, certified attribution programs or alternate material routes that protect performance.

Design for durable service

For rubber and plastic components, a longer service life can be the more responsible choice when premature failure drives replacement, downtime and disposal.

How material selector is built into the discussion

Application clarity
Document planning
Alternate material review
End-of-life claim caution

Documents buyers often ask about

REACHRoHSFood ContactISCC PLUSSDS

Selection considerations with both sides visible

Mono-material versus multilayer packaging

A mono-material structure can simplify recycling claims, while a multilayer structure may provide lower OTR or WVTR at a given gauge. The decision needs barrier targets, seal window, product contact, line speed and the actual regional collection route—not a recyclability label alone.

PCR content versus appearance control

Higher PCR content can support material-reduction objectives, but colour, odour and melt stability may vary by stream. Qualify the intended percentage by weight with lot-specific incoming checks and finished-package migration or contact review where applicable.

Repeatable screening path

Where the cited method calls for it, condition specimens at 23°C and 50% relative humidity, record lot number and specimen geometry, run the named ASTM or ISO method, retain an untreated control, and report the value with units and acceptance criterion.

Limitations remain explicit: typical datasheet values are not release specifications; compatibility is media-, concentration-, stress- and time-dependent; and declarations are grade-, site-, market- and revision-specific. Request the current lot-specific CoA with the applicable TDS, SDS or scoped declaration before approval.

Ask how your material goal affects material selector claims.

Constantia Flexibles can help separate confirmed documentation from assumptions before your team writes specifications, marketing language or customer responses.

Review a Material Selector Need