HIPS Conductive Carrier Tape Sheets

Conductive HIPS (High Impact Polystyrene) carrier tape sheets are purpose-engineered plastic sheets designed to safely package, transport, and deliver sensitive electronic components — including integrated circuits (ICs), surface-mount devices (SMDs), and other electrostatic discharge (ESD)-sensitive parts. By combining the inherent mechanical toughness of HIPS with a precisely controlled conductive layer structure, these sheets deliver consistent protection at every stage of the electronics supply chain.

Haining Hongkai Technology Co., Ltd. manufactures conductive HIPS carrier tape sheets to strict dimensional and electrical tolerances, giving engineers and procurement teams a reliable, repeatable material for high-volume tape-and-reel packaging workflows. Our products are backed by over 20 years of plastics R&D expertise and ISO 9001 & 14001 certification.

What Is HIPS Conductive Carrier Tape?

HIPS stands for High Impact Polystyrene, a thermoplastic polymer produced by polymerizing styrene in the presence of polybutadiene rubber, which dramatically improves the impact resistance of standard polystyrene. In its standard form, HIPS is already valued for its dimensional stability, ease of thermoforming, and low cost. When a conductive additive system — typically carbon black particles or conductive masterbatch — is blended into the polymer matrix or co-extruded as functional layers, the resulting material acquires a measurable and stable surface resistivity that dissipates static charge before it can damage sensitive components.

Carrier tape in the electronics industry refers to an embossed or formed strip of plastic that holds individual components in pockets, sealed with a cover tape and wound onto reels for automated pick-and-place assembly. Carrier tape sheets are the flat precursor material from which these tapes are formed. Choosing the right sheet material is critical because it directly determines:

• The mechanical integrity of the pocket during shipping and handling
• The ability to dissipate electrostatic charge and protect ESD-sensitive devices
• Dimensional consistency for compatibility with automated assembly equipment
• Thermoformability for high-speed pocket embossing

For a broader view of our HIPS product family, visit the HIPS Plastic product category page.

Material Composition and Structure

Hongkai's conductive HIPS carrier tape sheets are produced in two primary structural configurations:

PS-PS-PS (Triple-Layer Polystyrene Structure)

This configuration uses three co-extruded polystyrene-based layers. The conductive element is evenly distributed across the structure to provide uniform surface resistivity from face to face. This is the preferred choice when electrical homogeneity through the sheet thickness is a priority, for example in components that may contact both surfaces of the formed pocket.

PS-ABS-PS (Polystyrene / ABS / Polystyrene Sandwich Structure)

This configuration incorporates an Acrylonitrile Butadiene Styrene (ABS) core layer sandwiched between two polystyrene skin layers. The ABS core contributes enhanced impact toughness and slightly improved chemical resistance, while the PS skin layers maintain the smooth surface finish, thermoformability, and adhesion properties needed for reliable cover tape sealing. This structure is recommended for demanding logistics environments where mechanical shock during transit is a concern.

Both structures share the same nominal density and thickness ranges, making them interchangeable in many forming tool setups, with the choice driven primarily by the mechanical and chemical demands of the specific application.

Full Technical Specifications

Key Characteristics Explained

1. Excellent Thermoplastic Properties

HIPS is a thermoplastic, which means it softens predictably when heated and solidifies upon cooling, without chemical degradation over multiple processing cycles.

For carrier tape manufacturing, this is essential:

• Thermoforming at moderate temperatures produces sharp, dimensionally accurate pockets
• Pocket walls maintain their shape after cooling without springback or warping
• The material can be processed on standard vacuum-forming and pressure-forming equipment
• Consistent melt behavior from batch to batch ensures repeatable pocket geometry across long production runs

2. Stable and Controlled Electrical Conductivity

The conductive additive system in these sheets is engineered to deliver a surface resistivity in the range of 10⁴ to 10⁶ ohms (Ω). This band is classified in the electronics packaging industry as the "conductive" or "dissipative" zone — below 10⁶ Ω — which is stringent enough to prevent static charge accumulation on the carrier pocket surface, while still avoiding the ultra-low resistivities (below 10³ Ω) that could create a direct discharge path through a component's leads.

Key benefits of this resistivity range:

• Static charges bleed away gradually and harmlessly, rather than in a sudden arc
• Sensitive ICs, MOSFET devices, and precision SMD components are protected during storage and transit
• Consistent resistivity throughout the roll length, not just at the sheet surface
• Performance is maintained across normal humidity and temperature variations in a warehouse or production environment

3. Dimensional Precision

The tight dimensional tolerances listed in the specifications — ±0.015 mm on thickness, ±1.0 mm on width, and ±1 m on roll length — are not incidental. Tape-and-reel packaging is processed on automated equipment where even small dimensional deviations cause:

• Misaligned pockets relative to sprocket holes, resulting in pick-and-place errors
• Inconsistent cover tape seal strength
• Jamming in tape-feeding mechanisms
• Component loss during reel handling

Hongkai's production lines maintain these tolerances through inline measurement systems and controlled calendering processes.

4. Consistent Roll Length and Width Options

The combination of an 8 mm minimum width and a 640 mm maximum width means the sheets can be slit to virtually any standard carrier tape width defined by the Electronics Industry Alliance (EIA) and JEDEC standards — from the smallest 8 mm tape used for 0402 passives to wide-format tapes for large ICs and connectors. The 1,150 m maximum roll length minimizes splices and changeovers in high-speed forming operations.

Applications

Tape-and-Reel Packaging for Electronic Components

This is the primary and most important application for conductive HIPS carrier tape sheets. Tape-and-reel is the globally dominant delivery format for surface-mount electronic components because it enables:

• Fully automated feeding of components into pick-and-place machines
• Protection of components during long-distance shipping
• Prevention of component mixing and traceability during assembly
• Compact, stackable storage in component warehouses

The following component types are routinely packaged in carrier tapes formed from conductive HIPS sheets:

• Integrated Circuits (ICs): microcontrollers, memory chips, logic devices, power management ICs
• Surface-Mount Devices (SMDs): resistors, capacitors, inductors, and diodes
• Transistors and MOSFETs
• Connectors and sockets
• Sensors and MEMS devices
• LED components
• RF and microwave components

ESD-Sensitive Component Protection

Any component with a human body model (HBM) ESD sensitivity classification below 2,000 V benefits from packaging in a conductive carrier tape. The conductive HIPS pocket forms a Faraday cage-like enclosure around the component, shunting stray static charges to the tape surface and away from component leads and bond wires. This is especially critical for:

• CMOS logic devices
• Precision analog components
• High-frequency RF devices
• Power semiconductors

Contract Electronics Manufacturing (CEM) and EMS Operations

Electronics Manufacturing Services (EMS) companies and Contract Electronics Manufacturers (CEM) procure conductive HIPS carrier tape sheets in large volumes to package client components for redistribution. The predictable forming behavior and consistent electrical properties of these sheets allow EMS operations to standardize their packaging workflows across multiple product lines.

Why HIPS for Carrier Tape?

Several thermoplastic materials are used in the electronics packaging industry — including ABS, PET, PC (polycarbonate), and PVC.

HIPS occupies a particularly important niche for the following reasons:

The low thermoforming temperature of HIPS translates directly into energy savings during the pocket embossing process, faster cycle times, and longer service life for forming tooling.

Compliance and Quality

Hongkai's manufacturing processes and products reflect a commitment to internationally recognized quality and environmental standards:

• ISO 9001 Quality Management System certification — verifying that our processes consistently produce products meeting customer and regulatory requirements
• ISO 14001 Environmental Management System certification — demonstrating responsible environmental management throughout production
• SGS certification for product compliance — providing customers with independent third-party verification of material properties
• All products are manufactured without restricted substances in compliance with major RoHS (Restriction of Hazardous Substances) and REACH requirements, supporting the sustainability commitments of global electronics OEMs

Comparing Conductive HIPS Carrier Tape Structures

How to Select the Right Configuration

Use the following guide to match your application requirements to the appropriate sheet structure:

• If your component is lightweight (under 5 g) and occupies a standard EIA pocket geometry, the PS-PS-PS structure is typically sufficient and cost-effective.
• If your component has sharp lead edges, heavy mass, or the reels will be shipped in environments with high vibration or impact exposure, the PS-ABS-PS structure provides additional security through the tougher ABS core.
• If your forming equipment operates at the lower end of its temperature range, the PS-PS-PS structure softens slightly more readily and may produce cleaner pocket geometry at those conditions.
• If you are sourcing material to replace an existing conductive HIPS tape from another supplier, verify your target thickness tolerance: Hongkai's ±0.015 mm tolerance is among the tightest available for this material class and will typically improve pocket consistency on your existing tooling.

Production and Supply Capabilities

Haining Hongkai Technology Co., Ltd. was established in 2018 and is located in Jianshan New District, Haining City, in the Yangtze River Delta Economic Zone. pet-plasticfilm The facility's location in the Yangtze River Delta gives customers close access to major Chinese ports and airports, streamlining international export logistics for global buyers.

Key supply facts:

• Monthly output capacity: 700 tons across all plastic sheet product lines
• Two advanced production lines dedicated to plastic sheet extrusion
• Roll slitting capability from 8 mm to 640 mm width
• Maximum roll length of 1,150 m per spool
• Custom thickness from 0.25 mm to 1.30 mm available to order
• Standard and custom packaging configurations available for bulk shipments

For large or ongoing orders, Hongkai offers long-term supply agreements with stable pricing and reserved production capacity, consistent with the company's emphasis on win-win cooperation with international partners.

Frequently Asked Questions

What is the difference between conductive and anti-static HIPS carrier tape?

Conductive materials have a surface resistivity below 10⁶ Ω and actively dissipate charge. Anti-static materials typically fall in the 10⁶ to 10¹² Ω range and resist charge generation but dissipate charge more slowly. For the most ESD-sensitive components, conductive carrier tape (as supplied by Hongkai) is the appropriate choice.

Can these sheets be used on standard thermoforming equipment?

Yes. HIPS processes on both vacuum-forming and pressure-forming equipment without requiring specialized tooling. The thermoforming temperature range for HIPS is compatible with the majority of carrier tape embossing machines currently in service.

Are custom widths and thicknesses available?

Yes. Widths from 8 mm to 640 mm and thicknesses from 0.25 mm to 1.30 mm can be produced. Contact our sales team with your specific requirements for a quotation.

What cover tape adhesive systems are compatible with these sheets?

Both PS-PS-PS and PS-ABS-PS structures are compatible with standard heat-activated pressure-sensitive cover tape adhesive systems used in tape-and-reel packaging. Always verify peel force with your specific cover tape supplier using a test reel before full production.

How is the conductive property verified for each batch?

Surface resistivity is measured during production using four-point probe or parallel-plate electrode methods per standard test protocols. Batch test data is available upon request.