----[[LIREN ELECTRICAL INSULATION MATERIALS]]

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NM Nomex ® / Polyester Film Flexible Laminates

NM Nomex ® / Polyester Flexible Laminates (equivalent to Myoflex® 1N50, 1N80; ISONOM® NM 0880, NM 8 0882; DyTERM N2S, N3S) is a two-ply flexible laminate consisting of PET film covered on one side with DuPont Nomex® paper. NM shows high thermal resistance, excellent mechanical properties like high tensile strength and high edge tear resistance, and electrical properties. It was designed for automatic insertion machine. NM is mainly used as a slot liner, slot closure, phase and turn-to-turn insulation in low or medium voltage electrical motors of class F. Besides it is also used as interlayer insulation in transformers and other electrical machines and appliances.

NMN Nomex ® / Polyester / Nomex ® Flexible Laminates

NMN Nomex ®-Mylar ®-Nomex ® Laminate (equivalent to Myoflex® 2N50, 2N80, 2N130; ISONOM® 0881, 0883, 0967; TRIVOLTHERM® N50,80,130) is a three-ply flexible laminate consisting of PET film covered on both sides with DuPont Nomex ®® paper. NMN is also called as NPN, shows high thermal resistance, excellent mechanical properties, and electrical properties. It is designed for automatic insertion machine. NMN is mainly used as a slot liner, slot closure, phase-to-phase and turn-to-turn insulation in low or medium voltage electrical motors of Class F (155°C) or Class H (180°C) insulation system. In addition, it is also used as interlayer insulation in transformers and other electrical machines and appliances.

Nomex ® Paper

Type 410 is the original form of Nomex ® paper, and is widely used in a majority of electrical equipment applications. It is produced in thicknesses from 0.05 to 0.76 mm (2 to 30 mil) with specific gravities from 0.7 to 1.2. As a calendered product, it has high inherent dielectric strength, mechanical toughness, flexibility and resilience. Nomex ® Type 410 is used in almost every known sheet insulation application. (Download PDF) Type 411 is the uncalendered precursor of Nomex ® Type 410. It is available in thicknesses from 0.13 to 0.58 mm, (5 to 23 mil) with a specific gravity of 0.3 and correspondingly lower electrical and mechanical properties. It is used in applications such as motor phase insulation and transformer coil end filler, where high bulk and conformability are of prime importance along with increased impregnability and saturability. (Download PDF) Type 414 is electrically and thermally similar to Nomex ® Type 410, but is calendered under different conditions which produce a strong, but more flexible and conformable sheet with an open surface. It is produced in thicknesses from 0.09 to 0.38 mm (3.4 to 15 mil) with specific gravities from 0.9 to 1.0. It is designed for use as slot insulation in hand-wound motors, for linear wrapping of wire and as main insulation of fluid-filled and dry-type transformers where conformability and impregnability are required. (Download PDF) Type 418 Is produced by adding 50 percent mica platelets, intimately blended with the floc and fibrids during papermaking. It is available in thicknesses from 0.08 to 0.36 mm (3 to 14 mil) and is designed for high-voltage applications, including motor conductor and coil wrap, and transformer ground and layer insulation. Nomex ® Type 418 is a calendered product with high inherent dielectric strength of 30 to 40 kV/mm (760 to 1015 V/mil), but can also be readily impregnated with varnishes where this is desirable. Nomex ® Type 418 offers increased voltage endurance when compared to Nomex ® Type 410. (Download PDF) Type 419 is the uncalendered precursor of Nomex ® Type 418. It is available in two thicknesses, 0.18 mm (7 mil) and 0.33 mm (13 mil), with a specific gravity of 0.5 for applications where conformance and saturability are required. (Download PDF) Type E56 is a medium-density paper (specific gravity 0.7) produced in thicknesses from 0.13 to 0.51 mm (5 to 20 mil). This calendered paper has mechanical and electrical properties intermediate between Nomex ® Type 410 and Nomex ® Type 411. It offers a higher yield and therefore economically a more attractive solution in applications where it is not critical to use to the full extent the mechanical or electrical properties of Nomex ® Type 410. (Download PDF)

Heat Shrinkable Busbar Tubing

LR-BT Heat Shrinkable Busbar Tubings consist of a flame-resistant and environmental friendly polyolefin compound irradiated specially formulated. These Busbar Tubings are extremely flexible, allowing them to be easily positioned on busbars and quickly installed using a gas torch or oven. They have a high shrink ratio, so each size of tubing fits a range of busbar sizes. LR-BT Heat Shrinkable Busbar Tubings are widely used as protective insulation material for busbar in switchgear cabinet, transformer substation and distribution cabinet at operating temperature from -40℃ to 105℃.

PEN Film (Polyethylene-naphthalate Film)

Teonex® PEN Film (Polyethylene-naphthalate Film) is the world's first polyethylene-naphthalate (PEN) film developed and commercialized by Teijin. PEN Film has many superior properties such as strength, heat resistance, anti-hydrolysis, dimensional stability, low oligomer extraction, etc. PEN Film is used in a wide range of electrical and electronics applications including flat-panel displays, touch panels and dry photo resist, information-related applications, high density data storage tapes, IC card, FPC, and automotive applications. It is also used in electronic components such as capacitors, electric insulation, battery and for optical purposes.

The series of Benzocyclobutene (BCB)

Benzocyclobutene (BCB) is an important chemical material for preparing a large type of high performance polymer materials. The Chemical Abstracts Registry Number (CAS) of BCB is [694-87-1]. BCB can be used to synthesis many benzocyclobutene monomers by chemical modified, which can be polymerized further to product corresponding oligomers or BCB resins

Benzocyclobutene resins have broadly used in microelectronic industry and can be used in the encapsulation of microelectronic equipment such as military affairs and aerospace fields, for example: the dielectric member materials in Multi-Center Moulds integration circuit (MCM) and Microelectronic Mechanism System (MEMS). On the other hand, the resins can also be used in the encapsulation of Liquid Crystal Device (LCD).

The Series of Squaric Acid

Squaric acid is also called as quadratic acid. Squaric acid and derivatives are used mainly as intermediates for preparing the medical, dyes and photosensitive materials.They are also used to synthesize photosensitive squaraine dyes.

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