Fr4 Single-sided Copper Clad Laminate

Fr4 Single-sided Copper Clad Laminate for PCB Manufacturing | High-Quality Epoxy Substrate Solutions

We are glad to introduce Fr4 Single-sided Copper Clad Laminate produced by our parent firm, Hebei JingHong Electronic Technology Co., Ltd. J&Q New Composite Materials Company Our production base covers an area of 66,667 square meters with a total investment of 200 million CNY, and has an annual production capacity of 43,000 tonnes. This product is a combination of top quality E-glass fabric and precision bonded copper foil, available in thicknesses from 0.2mm to 3.2mm. Our laminate is SGS RoHS compliant and ISO9001, ISO14001, ISO45001 certified, meeting international quality standards for electronic manufacturing applications.

What Makes Our Single-sided Copper Clad Laminate Different?

When you are acquiring materials for PCB fabrication you need reliability and consistency. Our Copper Clad Laminate is produced with a single side copper covering, which makes it excellent for simple circuit designs where cost effectiveness is a major factor.

The manufacturing process uses modern vertical glue machines that have been specially adapted for FR4 production. The specialised equipment provides consistent distribution of the resin thru the fibreglass substrate. We use thermal compression technique for robust bonding of copper foil and epoxy-glass composite.

You will feel the difference in dimensional stability. The material retains its shape under thermal stress during soldering procedures. This prevents warping and keeps your circuit layouts true.

Technical Specifications

Parameter	Specification
Brand	JingHong
Base Material	E-glass Fabric + Epoxy Resin
Copper Configuration	Single-sided
Thickness Range	0.2mm - 3.2mm
Standard Dimension	1040mm × 1240mm
Dielectric Strength	>40kV
Glass Transition Temp (Tg)	≥130°C
Water Absorption	<0.25%
Flame Rating	UL94 V-0
Annual Capacity	43,000 Tons
Minimum Order	500KG

Key Performance Advantages

You need materials for your production line that can withstand tough manufacturing conditions. That’s what our single sided laminate is all about.

The copper layer is permanently bonded to the substrate with no risks of delamination. The adhesion is maintained after numerous thermal cycles. Reliability minimises your rejection rates and enhances your overall yield.

Electrical insulating qualities are constant while considering different humidity levels. Moisture absorption rate is < 0.25% to safeguard your circuits from environmental degradation. You won’t have problems with conductive anodic filament (CAF) growth that plagues inferior laminates.

Machining operations are more predictable. The glass fibre composition means the use of carbide or diamond pointed equipment but the material cuts neatly with no undue fraying. Your CNC machinery will cut holes and edges precisely every single time.

Primary Application Scenarios

Single-sided Fr4 Single-sided Copper Clad Laminate serves specific needs in the electronics manufacturing sector. You'll find it particularly valuable for straightforward circuit applications.

Prototyping Consumer Electronics: If you're designing simple control circuits or LED driver circuits, the single sided design will save you money on materials without compromising on the electrical performance you need. Safety compliance is provided by flame-retardant features of household appliances.

Industrial Control Panels: Simple relay boards and switching circuits benefit from the high dielectric strength. It provides a good insulation barrier in control cabinets where voltage isolation is important.

Educational and Hobbyist Projects: Technical schools and electronics hobbyists prefer single-sided boards because they are easier to work with. This material is easier to etch using the typical ferric chloride procedures than the double-sided methods.

Quality Assurance and Manufacturing Excellence

We operate two factories to provide an uninterrupted ability to supply. Our main manufacturing base is supplemented by the original Hongda Insulation Materials Factory, with an annual output of 13,000 tonnes and an area of 30,000 square meters.

We have invested in the most sophisticated equipment available. The vertical glue application machines apply epoxy resin with great regularity. This eliminates any weak points that can impact the electrical performance.

Each lot is tested to IPC-TM-650. Dimension stability is checked by thermal stress tests. Moisture resistance testing verifies that the material can operate in humid environments. Peel strength tests confirm copper adhesion to specification.

Our process controls eliminate variation so you get consistent quality. Temperature and pressure are constantly monitored throughout lamination. We only send you sheets that satisfy all standards.

Environmental Compliance and Safety

Environmental regulation is a must in modern electronics manufacturing. Our product meets the RoHS directives prohibiting the use of hazardous chemicals.

The UL94 V-0 flame classification indicates the material will self-extinguish after the ignition sources are eliminated. This vital safety element protects industrial staff and the end-user.

Traditional FR4 has bromine based flame retardants, but you can also get our halogen free versions. Such solutions utilise phosphorus compounds to provide flame retardance while minimising hazardous emissions during thermal events.

Packaging and Logistics Solutions

You know that the material condition on arrival has a direct impact on your production efficiency. Standard packing is protective pallets for ocean, land and air transportation.

Each sheet is divided by a protective film to avoid scratches on the surface. The pallets are arranged to maximise the use of container capacity without weakening the structure in transit. Corner protectors help prevent damage to edges.

Our logistics team works with international freight forwarders who are experienced in handling sensitive electronic items. Temperature regulated shipping is provided to harsh climatic destinations.

FAQ

Q: Can I use single-sided copper clad laminate for multilayer PCBs?

A: Single-sided laminate is designed for single-layer applications. For multilayer boards, you'll need double-sided material or pre-preg for internal layers. However, you can use it as a backing layer where only one conductive surface is needed.

Q: What's the maximum operating temperature for continuous use?

A: The continuous operating temperature is typically 130°C to 140°C for standard grades. While the glass transition temperature (Tg) is around 130°C, short-duration exposure to soldering temperatures (up to 260°C) is acceptable without damage.

Q: How does copper thickness affect my circuit performance?

A: Standard copper weight is 1oz (35μm). Thicker copper handles higher currents but is harder to etch fine traces. For power circuits, heavier copper reduces resistance. For signal circuits, standard weight provides adequate conductivity.

Q: Will this material work with automated pick-and-place equipment?

A: Absolutely. The dimensional stability and flatness meet tolerances required by automated assembly lines. The material won't warp during reflow soldering when proper thermal profiles are used.

Q: What etching chemicals are compatible with your laminate?

A: Standard ferric chloride, ammonium persulfate, and cupric chloride etchants all work effectively. The epoxy resin substrate resists these chemicals, ensuring clean etching without substrate damage.

Partner With a Reliable Laminate Manufacturer

Contact us at info@jhd-material.com for Fr4 Single-sided Copper Clad Laminate quotations, technical specifications, or sample requests today.