Applications

dry-type-transformers
Dry Type Transformer
dry-type-transformers
Oil Filled Transformer

Oil-Filled Transformers (Distribution, Power, EHV)

GARFLEX (Pressphan Laminates):
  • End barriers, spacers, and structural insulation.
  • Presspaper + pressboard grades for oil-immersed compatibility.
METASTAR (Aramid Paper & Pressboard):
  • YT510, YT516, YT511 papers → interlayer insulation, winding insulation.
  • YT592 / YT593 / YT594 pressboards → cylinders, spacers, structural supports.
  • Diamond dotted / crepe versions → lead insulation and wrapping.
  • Excellent transformer oil compatibility (mineral, ester, silicone).
METALAM (AMA – Aramid Laminates):
  • Cylinders and barrier insulation in power transformers.
  • Added mechanical and thermal stability.
METATHERM (DMD Laminates):
  • Limited role in oil-filled designs, but can be used for interlayer insulation in smaller distribution transformers.

Dry-Type Transformers (Cast Resin, Distribution, Reactors)

METATHERM (DMD Laminates):
  • Slot insulation, phase insulation, interlayer insulation in LV/MV dry-type.
  • Strong dielectric + mechanical strength.
METALAM (AMA – Aramid Laminates):
  • (AMA laminates) for insulating cylinders.
  • High thermal endurance.
METASTAR (Aramid Paper):
  • YT510, YT516 grades for inter-turn and interlayer insulation.
  • Crepe and dotted papers for wrapping windings.
GARFLEX (Pressphan):
  • Minimal use — only in auxiliary parts.
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dry-type-transformers
dry-type-transformers

Slot Insulation (Slot Liners & Wedges)

METATHERM (DMD Laminates – including Uncalendered grades):
  • Most common for slot liners in LV and MV motors.
  • Uncalendered DMD provides flexibility and varnish absorption, ensuring better impregnation in smaller LV designs.
GARFLEX (Pressphan):
  • Slot wedges, spacers, and mechanical supports.

Phase Insulation

METATHERM (DMD Laminates):
  • Widely used for phase separators in LV motors.
  • Cost-effective with good dielectric stability.
METALAM (Aramid Laminates – AMA):
  • Used for phase insulation in both LV and HV motors, especially when motors are expected to run at higher temperature rise or under frequent start-stop duty cycles.

Interlayer Insulation (Between Winding Turns)

METATHERM (Uncalendered DMD):
  • Common in LV and MV windings.
  • Uncalendered grades improve resin impregnation, preventing voids and partial discharge.
METASTAR (Uncalendered Aramid Paper – YT511, YT56):
  • Also used in LV motors for interlayers and slot liners where additional thermal life is required.
  • Uncalendered structure ensures better flexibility and resin bonding in low-voltage machines.
METASTAR Calendered Papers (YT510, YT516):
  • Preferred for compact HV/traction motors.

End-Winding Insulation

METALAM (Aramid Laminates – Calendered & Uncalendered):
  • Applied over coil extensions in LV, MV, and HV motors.
  • Uncalendered grades allow better resin absorption in VPI-treated LV motors.
METASTAR (Diamond Dotted Paper – YT510D):
  • Used to bond end-windings during curing, securing winding geometry.

Groundwall & Barrier Insulation

METALAM (Aramid Laminates – AMA):
  • Used as groundwall insulation not just in HV, but also in premium LV motors for enhanced thermal endurance.
METASTAR Pressboards (YT592, YT593, YT594):
  • Provide structural reinforcement in LV and HV motors.
GARFLEX (Pressphan):
  • Auxiliary barriers and spacers in oil-immersed LV designs.

🔑 Key Takeaways

METATHERM (DMD Laminates)::
  • Slot, phase, interlayer insulation in standard LV and MV motors.
  • Uncalendered grades offer flexibility and impregnation advantage.
METALAM (Aramid Laminates):
  • Slot + Phase insulation not only in HV but also in LV premium motors where Class F insulation is demanded.
  • End-windings and groundwall for LV & HV.
METASTAR (Uncalendered Aramid Paper):
  • Used even in LV motors for interlayers and slot liners where long-term thermal and mechanical reliability is needed.
GARFLEX:
  • Wedges, spacers, structural reinforcement across LV/HV.
motors-applications
dry-type-transformers

META EV – Polyimide Aramid Paper Separator

Product Overview :

META EV is an advanced polyimide–aramid paper-based separator designed specifically for next-generation lithium-ion EV batteries. It combines the thermal stability of aramid with the exceptional dielectric strength and chemical resistance of polyimide, ensuring maximum safety and efficiency in demanding electric vehicle applications.

Key Features :
  • High Thermal Stability : Withstands extreme operating temperatures, reducing risk of shrinkage or meltdown.
  • Superior Mechanical Strength : Reinforced structure provides high puncture resistance and dimensional stability under compression.
  • Excellent Dielectric Properties : Ensures strong electrical insulation between electrodes, preventing internal short circuits.
  • Chemical Resistance : Compatible with electrolytes used in advanced Li-ion chemistries.
  • Long Cycle Life : Maintains integrity across thousands of charge–discharge cycles.

Applications in EV Batteries

META EV is used as the core separator layer in :
  • Pouch cells for electric cars, buses, and two-wheelers.
  • Prismatic and cylindrical cells requiring high thermal cutoff stability.
  • High-energy density battery packs, where safety and durability are critical.

Advantages Over Conventional Separators

  • Unlike polyolefin-based separators (PE/PP), META EV does not shrink at elevated temperatures.
  • Offers greater mechanical durability, preventing dendrite penetration.
  • Provides enhanced safety margin, enabling higher energy density cell designs.
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mcb

Metastar®️ Aramid Paper: Application in MCB & Switchgear Arc Chutes

About Metastar®️ Aramid Paper :

Metastar®️ aramid paper, crafted from high-performance meta-aramid fibers, stands out as a robust insulation material renowned for its high dielectric strength, thermal stability, and mechanical resilience. The YT510 variant ranges between 0.05 mm to 0.76 mm thickness, offers excellent overload resistance, and meets both RoHS and REACH environmental standards .

Additionally, Metastar’s aramid paper is recognized in advanced transport and electrical industries for its superior performance and wide market potential.

Why It’s Perfect for Arc Chutes in MCBs & Switchgear ?

Arc chutes are vital safety components within circuit-breaking devices like MCBs and switchgear. Their role is to guide and extinguish electrical arcs during interruptions. These environments demand insulation media that endure extreme conditions—this is where Metastar aramid paper excels.

Key Advantages :
  • Exceptional Thermal Stability : Withstands continuous high temperatures and maintains dimensional integrity without embrittling—capable of enduring brief exposures near 300 °C .
  • Outstanding Dielectric Strength : Provides reliable insulation to ensure arc splitting and quenching processes remain effective under harsh electrical stress .
  • Robust Mechanical & Thermal Resistance : Durable under repeated arcing events and mechanical pressure inside arc chute assemblies.
  • Flame Retardant & Electrical Safety : Naturally self-extinguishing and safe, adding an extra layer of safety in high-risk environments .
  • Chemical Stability & Eco‑friendly Composition : Resistant to acids and alkalis; RoHS/REACH compliant, underscoring environmental safety.

Application in MCB & Switchgear Arc Chutes

In arc chutes, Metastar aramid paper can be used as fin insulators or lining materials for strategic purposes :
  • Arc Segmentation & Cooling : High dielectric properties help divide arcs into smaller segments, aiding in rapid cooling and suppression.
  • Prevention of Re‑ignition : Strong electrical insulation helps maintain gap integrity and avoid unintended reconnection of arcs.
  • Long-Term Reliability : Its resilience to heat and mechanical stress ensures consistent performance with minimal degradation over time.
dry-type-transformers

METASOL Solar Backsheets

Product Overview :

High-performance backsheet laminates designed to protect and extend the life of photovoltaic (PV) modules under extreme outdoor conditions. Available in fluorobased and non-fluorobased variants, METASOL ensures reliability, durability, and superior power output.

Fluorobased METASOL Backsheet (Applications) :
  • Crystalline silicon solar modules.
  • Thin-film solar modules requiring high UV resistance.
  • Utility-scale solar farms with long service life.
  • Harsh environmental zones: desert, coastal, and high-UV regions.
Key Features :
  • Outer fluoropolymer layer provides exceptional UV and weather resistance.
  • Enhanced hydrolytic stability for 25+ years performance.
  • Superior adhesion to encapsulants (EVA/EPE).
  • Excellent electrical insulation and dielectric strength.
  • Stable against humidity, temperature cycling, and damp heat.
Benefits to Customers :
  • Longer module life in aggressive environments.
  • Reduced risk of yellowing or cracking.
  • Reliable module safety and high power retention.

Non-Fluorobased METASOL Backsheet

Applications :
  • Crystalline silicon PV modules in moderate climates.
  • Rooftop and distributed solar installations.
  • Cost-sensitive projects requiring durable yet economical backsheets.
Key Features :
  • PET-based structure with protective coating.
  • Good UV and moisture resistance for standard field conditions.
  • High mechanical and dielectric properties.
  • Compatible with both EVA and EPE encapsulants.
  • Cost-effective alternative to fluorobased designs.
Benefits to Customers :
  • Balanced cost-to-performance ratio.
  • Proven reliability for 20+ year module life.
  • Suitable for both utility-scale and rooftop PV systems.

⚡ METASOL – Engineered for Every Climate and Budget. Whether in extreme UV deserts or standard rooftop installations, METASOL delivers consistent insulation, durability, and power output for solar modules.

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Industrial Equipment Quality

Ensure durability for industrial equipment with our quality-assured laminates, tested to meet ASTM standards. Includes free consultation and a 90-day guarantee.

Learn More

Reliable Insulation Solutions

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