Plastic manufacturers can capitalize on the new tax environment

When plastics manufacturers are developing their business growth strategies, tax policy is likely not top of mind — but it can’t be an afterthought. Investments in molding presses, extrusion lines, integrated decorating systems, automation or new production facilities all involve capital intensity. Manufacturers need to remember these three things: cash-flow timing matters, payback periods matter and certainty matters.

The One Big Beautiful Bill Act (OBBBA) created a tax environment that better aligns with how plastics processors and decorators invest and grow. The legislation provides a long-term framework that favors domestic production, accelerates capital recovery and rewards innovation — all areas that define competitiveness for the plastics industry.

Uncertainty is giving way to stability in capital planning

Plastics manufacturers had been working in a landscape of critical tax provisions that were either expiring, phasing out or changing mid-cycle. Bonus depreciation was phasing down and out. Domestic R&D costs had 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 resulting hesitation delayed projects, postponed capacity expansion and prompted a reevaluation of automation investments.

The OBBBA made the following pro-manufacturing 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
• New full expensing for certain manufacturing facilities

Plastic manufacturers will benefit from tax stability that supports long-range planning rather than year-to-year decision making. That stability alone is significant.Faster payback, better economics

Equipment drives plastic manufacturing. Injection molding presses, robots, automation cells, tooling, decorating lines and inspection systems require substantial upfront investment. The OBBBA allows most of these assets to be expensed immediately in the year they are placed into service.

Businesses should benefit because after-tax project economics have improved. Immediate expensing shortens payback periods and improves internal rates of return, making it easier to warrant investments in productivity, quality and labor efficiency. Tax benefits aside, businesses struggling to hire and keep staff must realize that automation investments supported by faster capital recovery are operationally necessary.

Additionally, 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.

How does the OBBBA incentivize domestic growth for manufacturers?

Another significant component of the OBBBA for growing plastics manufacturing firms is a new qualified production property provision that allows 100% depreciation for certain nonresidential real property used in qualified production activities. This provision fundamentally alters the economics of domestic investment in new facilities, factory expansions or reshoring production.

For the first time in decades, manufacturers can expense qualifying portions of buildings dedicated to production, along with machines and equipment. 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, greater resiliency and domestic sourcing, the ability to recover facility costs more quickly is a meaningful competitive advantage.

Greater emphasis on R&D

Plastics decorating companies often perform more qualifying R&D than realized. Process optimization, mold design, material formulation, cycle time 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. This creates two benefits. 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 may be able to use catch-up deductions or amend prior-year tax returns, depending on various factors. R&D identification and documentation should be given greater priority under the new law.

Recordkeeping 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.

What are the new manufacturing interest deduction rules?

Plastic manufacturers also need to focus on interest deductibility. 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. This is a valuable change at a time when capital is at a premium.

Do new tax policies promote domestic manufacturing?

For many manufacturers, their operations extend across borders in some form. 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 must coincide with operational strategy.

How can plastics manufacturers capitalize on the OBBBA?

The OBBBA is not 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:

• Remodeling 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.
• Integrating federal provisions with state and local incentives.

The most important question for leadership teams may be this: In a more favorable tax environment, how can we best invest to improve competitiveness?

A time to invest

Tax policy should join sound operations, strong customer relationships and disciplined execution as business priorities. When it is 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 wanting to invest in equipment, people and innovation, the tax environment is now giving you the green light.

How Wipfli can help

At Wipfli, we help manufacturers understand how to best leverage tax policies in their favor. Our team can help your business take advantage of the benefits found in the OBBBA. Start a conversation.

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