PET Preform Price Guide 2026 Updated: Per Kg and Per Unit

PET preforms are the foundational raw components used in the production of PET bottles and jars across industries such as beverages, edible oils, pharmaceuticals, cosmetics, and FMCG packaging. These preforms are injection-molded products that are later stretch-blow molded into final containers, making them a critical cost element in the entire packaging value chain.

PET preform prices do not remain static and tend to fluctuate every year due to changes in raw material costs, energy prices, freight rates, and market demand–supply dynamics. Since PET resin constitutes the largest portion of the production cost, even small changes in polymer pricing can significantly impact preform rates.

For buyers, distributors, and bottling companies, having an updated 2026 PET preform price reference is essential for accurate budgeting, contract negotiations, and long-term procurement planning. Updated pricing helps avoid supply disruptions, ensures competitiveness in finished product pricing, and supports informed bulk-buying decisions.

Understanding PET Preform Pricing

PET preform pricing is generally quoted in two ways: price per kilogram and price per unit, each serving different procurement needs. Price per kg is commonly used by bulk buyers, converters, and OEMs who purchase in high volumes, while price per unit is preferred by smaller manufacturers and regional bottlers for cost clarity.

The cost of PET resin plays a decisive role in preform pricing. Since PET resin accounts for the majority of raw material input, fluctuations in crude oil prices, polymer demand, and import–export duties directly influence preform rates. Any upward movement in resin pricing is almost immediately reflected in preform costs.

Neck size and preform weight are equally important in determining final pricing. Larger neck finishes require more material and precision tooling, while heavier preforms consume more resin per unit. As a result, two preforms designed for the same bottle volume can have noticeably different prices based on neck type and gram weight.

PET Preform Price Per Kg – 2026 Overview

Average PET Preform Price Per Kg in 2026:
In 2026, the average PET preform price per kg in India is expected to remain closely aligned with PET resin trends, typically ranging within a moderate band depending on grade, volume, and supply conditions. Bulk industrial buyers usually benefit from more stable pricing through long-term supply contracts.

Industrial-Grade vs Food-Grade PET Pricing:
Food-grade PET preforms command a slightly higher price per kg compared to industrial-grade variants due to stricter quality controls, regulatory compliance, and traceability requirements. Food and beverage applications require consistent IV values, clarity, and safety certifications, which add to production costs.

Domestic Supply vs Export Pricing Differences:
Domestic PET preform pricing is generally more competitive due to lower logistics and duty costs. Export pricing, on the other hand, factors in international freight, packaging standards, currency exchange, and destination-specific compliance, often resulting in a higher per-kg cost for overseas buyers.

PET Preform Price Per Unit – 2026 Overview

How Per-Unit Price Is Calculated:
The per-unit price of a PET preform is calculated by multiplying the preform weight (in grams) by the prevailing per-kg price, then adding molding, overhead, and packaging costs. This method allows buyers to clearly understand cost per bottle at the planning stage.

Typical Per-Unit Price Range for Standard PET Preforms:
In 2026, standard PET preforms used for water bottles, soft drinks, and edible oils generally fall within a predictable per-unit price range, depending on neck finish and weight. Lightweight water bottle preforms remain the most cost-efficient on a per-unit basis due to optimized material usage.

Cost Difference Between Lightweight and Heavy Preforms:
Lightweight preforms are designed for high-volume, cost-sensitive applications and offer lower per-unit pricing. Heavy preforms, commonly used for oil bottles, jars, and hot-fill applications, have a higher per-unit cost due to increased resin consumption and enhanced structural strength.

PET Preform Price by Neck Size

25mm PET Preform Price Range

• 25mm neck PET preforms are among the most commonly used formats, especially for mineral water and low-pressure beverage bottles.
• In 2026, the latest wholesale price for 25mm PET preforms typically falls in the range of ₹145–₹165 per kg, depending on IV grade and order volume.
• Due to high production volumes and standardized tooling, this neck size offers better price stability and cost efficiency for bulk buyers.

28mm PET Preform Price Range

• 28mm neck preforms are widely used for carbonated soft drinks, juices, and edible oil bottles, requiring stronger neck finish and higher dimensional accuracy.
• The current wholesale price for 28mm PET preforms generally ranges between ₹150–₹175 per kg, influenced by weight, pressure rating, and finish type (PCO/Alaska).
• These preforms are slightly costlier due to higher resin usage and more stringent quality checks.

30/25 and Other Common Neck Finishes

• Neck sizes such as 30/25, 38mm, and specialty finishes are commonly used for dairy products, pharmaceutical bottles, and wide-mouth jars.
• The wholesale pricing for these neck types usually starts from ₹160 per kg and can go up to ₹190 per kg, depending on customization and order quantity.
• Specialized neck designs require dedicated molds, which adds to tooling and production costs.

Impact of Neck Design on Pricing

• Neck height, thread complexity, tamper-evident features, and finish tolerance directly affect material consumption and cycle time.
• More complex neck designs increase per-unit cost even if the bottle volume remains the same, making neck selection a critical pricing factor.

PET Preform Price by Weight (Grams)

Lightweight PET Preforms (9–12 g)

• Lightweight preforms are primarily used for mineral water and single-use beverage bottles where material optimization is critical.
• The latest wholesale price typically ranges between ₹145–₹160 per kg, making them the most cost-efficient option for high-volume production.
• Their lower resin consumption significantly reduces per-unit bottle cost.

Standard PET Preforms (15–20 g)

• Standard-weight preforms are widely used for soft drinks, juices, and general-purpose packaging requiring better rigidity.
• Wholesale pricing for this category usually falls between ₹150–₹170 per kg, depending on IV value and neck finish.
• These preforms balance strength and cost, making them popular across FMCG segments.

Heavy PET Preforms (25 g and Above)

• Heavy preforms are used for edible oil, pharmaceutical, dairy, and returnable bottles that require higher structural integrity.
• The current wholesale price for heavy preforms generally ranges from ₹160–₹185 per kg, reflecting higher resin usage and processing requirements.
• These preforms offer better performance but at a higher material cost.

Price Variation Based on Gram Weight

• As gram weight increases, the per-unit cost rises proportionally, even if the per-kg price remains similar.
• Bulk buyers often optimize weight to achieve the lowest cost without compromising bottle performance.

Application-Wise PET Preform Pricing

• Mineral Water Bottle Preforms: These preforms are designed to be lightweight and cost-efficient due to intense market competition.
• Soft Drink & Carbonated Beverage Preforms: Carbonated beverage preforms require higher pressure resistance and thicker neck finishes.
• Edible Oil Bottle Preforms: Edible oil preforms are heavier and require better chemical resistance and dimensional stability.
• Juice, Dairy & Pharmaceutical Bottle Preforms: These applications demand food-grade certification, consistent IV, and superior clarity.

Bulk Order & Wholesale Price Benefits

Minimum Order Quantity for Wholesale Pricing: PET preform manufacturers generally offer wholesale rates starting from pallet-level or tonnage-based orders, where higher volumes allow optimized production planning and resin sourcing, resulting in lower per-kg pricing for buyers.

Per-Kg Price Reduction in High-Volume Orders: As order quantity increases, the per-kg price of PET preforms reduces due to economies of scale, lower packaging cost per unit, and better utilization of injection molding cycles, making bulk procurement significantly more cost-effective than spot buying.

Long-Term Supply Contracts and Price Stability: Buyers entering long-term or repeat supply agreements benefit from relatively stable pricing despite fluctuations in PET resin markets, along with assured production slots, consistent quality batches, and reduced risk of supply disruptions.

Operational and Logistics Cost Advantage: Bulk purchasing minimizes frequent transportation, reduces handling and administrative overheads, and ensures smoother inventory planning, making wholesale sourcing the most reliable and economical option for PET preforms in 2026.

Factors Affecting PET Preform Prices in 2026

1. PET Resin Raw Material Price Fluctuations: PET preform pricing in 2026 continues to be heavily influenced by fluctuations in PET resin prices, which are linked to crude oil rates, global polymer demand, and import dependency, directly impacting cost stability for manufacturers and buyers.
2. Energy and Manufacturing Costs: Rising electricity tariffs, fuel costs, and labor expenses increase overall production costs, especially for injection molding operations that run continuously at high energy loads.
3. Color, Transparency, and Additive Usage: Natural transparent preforms are generally more economical, while colored preforms or those requiring UV stabilizers, oxygen barriers, or special additives incur additional material and processing costs.
4. Transportation, Packaging, and Location: Distance between manufacturing unit and buyer, packaging type (loose, carton-packed, palletized), and regional logistics availability play a major role in determining final landed cost.

Domestic vs Export PET Preform Pricing

Price Difference for Indian Market Supply: PET preforms supplied within India are generally priced lower due to simpler compliance requirements, localized logistics, and absence of export-related documentation and certification costs, making domestic sourcing more cost-effective for local bottlers.

Export Pricing Considerations: Export pricing is typically higher because it includes international freight, export-grade packaging, currency fluctuation risk, and compliance with destination country standards, all of which add to the base manufacturing cost.

Packaging Standards and Documentation Impact: Export orders require stronger palletization, moisture protection, labeling, and documentation such as COA, MSDS, and country-specific certifications, which marginally increase per-unit and per-kg pricing.

How to Choose the Right PET Preform at the Best Price

Selecting Correct Weight for Cost Optimization: Choosing the lowest possible gram weight that still meets bottle strength and performance requirements helps significantly reduce per-unit packaging cost.

Matching Preform Specs with Bottle Design: Aligning neck size, finish type, and IV grade precisely with the blow mold and bottle application avoids rejection, material wastage, and unnecessary overspending.

Balancing Price, Quality, and Application: The cheapest preform is not always the most economical; consistent quality, dimensional accuracy, and reliable supply are equally important for long-term cost efficiency.

Why Buy PET Preforms from Siddhartha International

Siddhartha International is a trusted supplier of PET preforms, known for its consistent quality standards, reliable bulk supply capability, and competitive pricing structure for both domestic and export markets. With a wide range of neck sizes, weights, and color options, the company supports diverse packaging applications across beverages, edible oil, pharmaceuticals, and FMCG sectors. Its focus on precision manufacturing, stable resin sourcing, and timely deliveries ensures buyers receive uniform batches that perform reliably on high-speed bottling lines.

Supported by export-ready packaging and responsive customer coordination, Siddhartha International stands out as a dependable long-term partner for PET preform procurement in 2026.