"Expertise in tool design is fundamental to our core competences within Trelleborg Sealing Solutions," emphasizes Jarno. "Developing the two-color process required additional considerations during the design and construction of the tool to make sure the flow of the clear and the colored material portions must be kept strictly separated.

Jarno Burkhardt, General Manager of the Trelleborg Sealing Solutions European center of excellence for LSR component solutions in Stein am Rhein, Switzerland, comments: "The advantage of the two-colored LSR components to our customer, as well as to the OEM they supply, is that it gives, without adding significant extra cost, product traceability. The beauty of the novel tool design is that it will allow an unlimited number of color combinations from a single machine, in a single tool and in one single shot."

Ursula Nollenberger, Product Line Director for LSR Components at Trelleborg Sealing Solutions, says: "Our first application of this revolutionary technology is for a leading automotive tier-one supplier. The company was looking for a solution to visually differentiate geometrically identical parts that Trelleborg produces off a single tool for various vehicle platforms, without impacting the overall aesthetics of the finished product. This new process offered an ideal solution that was both practical and cost-effective."

The HDPE market in Europe witnessed a price increase of 2% for Injection grade FD Hamburg(Germany), primarily fueled by constrained supplies stemming from delayed cargo arrivals from the Middle East and limited material quantities from the US. This upward trend was further reinforced by reduced output rates and regional outages. Despite this, overall demand remained relatively stable, marked by subdued activity within end-user industries. Further, market participants in the European market faced significant price hikes in February offers from local producers, despite only a marginal increase in feedstock Ethylene prices. The scarcity of import options and reduced allocations compelled suppliers to prioritize margin expansion, particularly after enduring negative margins for several months. With the February ethylene settlement showing a modest uptick due to sluggish demand in January, the substantial price hikes sought by HDPE suppliers in February will significantly aid them in reclaiming the margins lost over the past few months. Meanwhile, market players are directing their attention toward March, primarily engaging in discussions centered around potential Ethylene contract price settlements for the upcoming month.

In the initial half of February 2024, High-Density Polyethylene (HDPE) experienced an upward price trajectory across Europe and the United States, primarily driven by supply shortages and a surge in demand from the market. In Europe, the upswing in HDPE prices was mainly attributed to constrained supplies coupled with delayed cargo. Meanwhile, in the US, HDPE prices surged due to heightened demand from downstream industries such as construction and packaging. Further, the rising prices of feedstock Ethylene and upstream Naphtha and Crude oil have had a significant impact on the production costs of HDPE in both regions, contributing to the upward pressure on prices. Furthermore, supply disruptions in key transportation routes like the Panama Canal and the Red Sea have also played a role in influencing the pricing dynamics of the product, adding to the market volatility experienced during this period.

High Density Polyethylene (HDPE) Market Analysis: Plant Capacity, Production, Process, Technology, Operating Efficiency, Demand & Supply, End-Use, Grade, Foreign Trade, Sales Channel, Regional Demand, Company Share, Manufacturing Process, 2015-2035

The two-color injection molding process has been simplified through a development at Trelleborg Sealing Solutions (Stuttgart, Germany) that employs a single shot and a single tool to manufacture partially colored liquid silicone rubber (LSR) components. Utilizing an innovative and proprietary tool construction, the process has the capability to add color pigment to part of the transparent silicone material stream just prior to its injection into the tool cavity.

In the initial half of February 2024, High-Density Polyethylene (HDPE) experienced an upward price trajectory across Europe and the United States, primarily driven by supply shortages and a surge in demand from the market. In Europe, the upswing in HDPE prices was mainly attributed to constrained supplies coupled with delayed cargo. Meanwhile, in the US, HDPE prices surged due to heightened demand from downstream industries such as construction and packaging. Further, the rising prices of feedstock Ethylene and upstream Naphtha and Crude oil have had a significant impact on the production costs of HDPE in both regions, contributing to the upward pressure on prices. Furthermore, supply disruptions in key transportation routes like the Panama Canal and the Red Sea have also played a role in influencing the pricing dynamics of the product, adding to the market volatility experienced during this period. During this timeframe, the demand for HDPE in the US market exhibited bullish tendencies, with prices rise of 2% for Injection molding grade FOB Texas(USA). Trading activities remained robust, with market participants actively engaging in spot market transactions amidst constrained availability. The upward trajectory of HDPE prices can be further attributed to the heightened costs of feedstock Ethylene and upstream Naphtha, exerting increased cost pressures on the product. Moreover, the surge in export demand, propelled by ongoing logistical challenges, provided producers with additional opportunities to sell their products at elevated prices. Consequently, this heightened export activity facilitated the reduction of excess resin from the domestic market, resulting in tightened domestic supplies and upward pressure on domestic HDPE prices. This overall escalation in HDPE prices aligns with anticipated trends, as international resin prices have strengthened concurrently with the rise in freight costs. The recent uptick in PE spot prices throughout the month has encouraged producers to advocate for another price increase in February, following a successful hike implemented in January. The HDPE market in Europe witnessed a price increase of 2% for Injection grade FD Hamburg(Germany), primarily fueled by constrained supplies stemming from delayed cargo arrivals from the Middle East and limited material quantities from the US. This upward trend was further reinforced by reduced output rates and regional outages. Despite this, overall demand remained relatively stable, marked by subdued activity within end-user industries. Further, market participants in the European market faced significant price hikes in February offers from local producers, despite only a marginal increase in feedstock Ethylene prices. The scarcity of import options and reduced allocations compelled suppliers to prioritize margin expansion, particularly after enduring negative margins for several months. With the February ethylene settlement showing a modest uptick due to sluggish demand in January, the substantial price hikes sought by HDPE suppliers in February will significantly aid them in reclaiming the margins lost over the past few months. Meanwhile, market players are directing their attention toward March, primarily engaging in discussions centered around potential Ethylene contract price settlements for the upcoming month.

The process involves the two components of LSR raw material being mixed in a ratio of 1:1. On the way into the injection tool, this homogenous mass is then divided. Color is added via an additional mixing unit to one part of the volume stream and injected into the tool cavity via a proprietary valve design.  Simultaneously, the colorless material is being injected via a second stream.

"This novel technology can be applied to any size and number of cavities per tool. Depending on part geometry and size as well as production capacity needed, we construct tools anywhere between 1 and 128 cavities with possibilities even beyond," adds Nollenberger.

The two-color injection molding process has been simplified through a development at Trelleborg Sealing Solutions (Stuttgart, Germany) that employs a single shot and a single tool to manufacture partially colored liquid silicone rubber (LSR) components. Utilizing an innovative and proprietary tool construction, the process has the capability to add color pigment to part of the transparent silicone material stream just prior to its injection into the tool cavity.

During this timeframe, the demand for HDPE in the US market exhibited bullish tendencies, with prices rise of 2% for Injection molding grade FOB Texas(USA). Trading activities remained robust, with market participants actively engaging in spot market transactions amidst constrained availability. The upward trajectory of HDPE prices can be further attributed to the heightened costs of feedstock Ethylene and upstream Naphtha, exerting increased cost pressures on the product. Moreover, the surge in export demand, propelled by ongoing logistical challenges, provided producers with additional opportunities to sell their products at elevated prices. Consequently, this heightened export activity facilitated the reduction of excess resin from the domestic market, resulting in tightened domestic supplies and upward pressure on domestic HDPE prices. This overall escalation in HDPE prices aligns with anticipated trends, as international resin prices have strengthened concurrently with the rise in freight costs. The recent uptick in PE spot prices throughout the month has encouraged producers to advocate for another price increase in February, following a successful hike implemented in January.