By Michael Devereux, CPA, Partner, Wipfli

For plastics manufacturers, tax policy rarely is the primary driver of strategy – but it directly influences how fast that strategy can be executed. Whether investing in molding presses, extrusion lines, integrated decorating systems, automation or new production facilities, the common denominator is capital intensity. Cash-flow timing matters. Payback periods matter. Certainty matters.

With the passage of the One Big Beautiful Bill Act (OBBBA) in July 2025, plastics processors and decorators now operate in a tax environment that aligns more closely with how manufacturing businesses invest and grow. The legislation provides a longterm framework that favors domestic production, accelerates capital recovery and rewards innovation – all areas that define competitiveness for those in the plastics industry.

From Uncertainty to Stability in Capital Planning
For several years, plastics manufacturers faced a frustrating reality: Critical tax provisions either were expiring, phasing out or changing midcycle. Bonus depreciation was phasing down and out. Domestic R&D costs were forced to be capitalized and amortized over five or 15 years, depending upon the location of the research activities. Interest deductibility tightened just as borrowing costs increased. The result was hesitation – projects delayed, capacity expansion postponed and automation investments reevaluated.

The OBBBA changes that equation by making several promanufacturing provisions permanent:

• 100% bonus depreciation for qualifying machinery, equipment and qualified improvement property,
• Immediate expensing of domestic R&D expenditures,
• Improved interest deductibility under an EBITDA framework,
• Expanded Section 179 expensing and
• New full expensing for certain manufacturing facilities.

For those in plastics manufacturing, this creates tax stability that supports long-range planning rather than year-to-year decision making. That stability alone is significant.

Equipment, Tooling and Automation: Faster Payback, Better Economics
Plastics manufacturing always has been defined by equipment. Injection molding presses, robots, automation cells, tooling, decorating lines and inspection systems require substantial upfront investment. Under the OBBBA, most of these assets can again be expensed immediately in the year they are placed into service.

The practical implication is straightforward: After-tax project economics have improved materially. Immediate expensing shortens payback periods and improves internal rates of return, making it easier to justify investments in productivity, quality and labor efficiency. For companies struggling to attract and retain skilled labor, automation investments supported by faster capital recovery are not simply tax-driven – they are operationally necessary.

Equally important, expanded Section 179 limits provide flexibility for small- and mid-sized plastics manufacturers and decorators that prefer the benefits of expensing under Section 179 over bonus depreciation, including the ability to expense assets that may not qualify for bonus depreciation.

New Incentives for Plants, Expansions and Reshoring
One of the most consequential components of the OBBBA for growing plastics manufacturing firms is a new provision for Qualified Production Property, which allows 100% depreciation for certain nonresidential real property used in qualified production activities. For plastics manufacturers considering new facilities, factory expansions or reshoring production, this provision fundamentally alters the economics of domestic investment.

For the first time in decades, manufacturers can expense not only machines and equipment, but also qualifying portions of buildings dedicated to production. For processors adding capacity, consolidating operations or bringing outsourced work back in-house, this incentive can significantly reduce the after-tax cost of building or expanding a plant in the US.

In an industry facing customer pressure for shorter supply chains, improved resiliency and domestic sourcing, the ability to recover facility costs faster is a meaningful competitive advantage.

Immediate R&D Expensing: Innovation Beyond the Lab
Plastics decorating companies do not always recognize how much qualifying R&D they perform. Process optimization, mold design, material formulation, cycletime reduction, product testing and development of decorating techniques frequently meet the definition of domestic research under the tax code.

The OBBBA’s restoration of immediate expensing for domestic R&D reverses a provision that had quietly penalized manufacturers since 2022. For plastics manufacturers and decorators, the benefit is twofold. First, it improves cash flow by eliminating forced amortization of R&D costs. Second, it enhances the value of the R&D tax credit, particularly when paired with state-level incentives.

Companies that capitalized R&D costs in prior years also may have planning opportunities to catch-up deductions or amend prior years’ tax returns, depending upon a number of factors. This makes R&D identification and documentation more important – not less – under the new law.

Record-keeping rules for the R&D tax credit continue to evolve, so maintaining R&D project-based support for new mold design, part-specific manufacturing process development, end-of-arm tooling and decorating techniques is critical to supporting a claim.

Financing Growth in a Higher Rate Environment
While tax rates often receive the most attention, interest deductibility can be just as impactful – especially in a capital-intensive industry like plastics manufacturing. The OBBBA restores a more favorable EBITDA-based limit under Section 163(j), improving the tax efficiency of debt-financed investments.

For private equity-backed processors, multi-plant operators and family-owned manufacturers pursuing acquisitions or expansions, this change improves borrowing capacity and reduces after-tax financing costs. In an environment where capital is more expensive than it was a decade ago, that matters.

For those in plastics manufacturing, this creates tax stability that supports long-range planning rather than year-to-year decision making.

International Operations and Supply-Chain Decisions
Many plastics manufacturers and decorators operate globally – whether through offshore toolmakers, foreign subsidiaries, toll manufacturing arrangements or cross-border supply chains. The OBBBA reshapes several international tax provisions, including GILTI and FDII, with the explicit goal of favoring tangible production and intellectual property located in the US.

For companies with multinational structures, this increases the importance of entity design, transfer pricing and supply-chain alignment. When combined with tariffs and broader trade policy considerations, tax planning no longer can be separated from operational strategy.

What Plastics Manufacturers Should Be Doing Now
The OBBBA should not be viewed as a one-time tax windfall. It is a planning framework that rewards decisive investment. Manufacturers that treat it as such will be better positioned to deploy capital effectively.

Key considerations include:

• Re-modeling capital projects using current-law expensing rules,
• Reviewing automation and capacity expansion plans through an after-tax lens,
• Identifying qualifying R&D activities within operations and engineering teams,
• Evaluating facility expansions or reshoring opportunities and
• Integrating federal provisions with state and local incentives.

The most important question for leadership teams may be this: If tax policy is no longer the constraint, which investments most directly improve competitiveness?

A Tailwind for the Plastics Value Chain
Tax policy does not replace sound operations, strong customer relationships or disciplined execution. But when aligned correctly, it removes friction that slows growth. The OBBBA does that for US manufacturing – and particularly for capital-intensive industries like plastics processing and decorating.

For companies willing to invest in equipment, people and innovation, the tax environment now supports those decisions rather than complicating them. That alignment is long overdue – and for plastics manufacturers, it creates an opportunity worth acting on.