Mica Paper

General Details
Ruby Mica® Uncalcined Muscovite / Phlogopite Mica Paper is a homogenized form of pure natural mica. It preserves all the desirable characteristics of raw mica, while eliminating imperfections and impurities. It has a high price-advantage over good quality natural mica.

Two grades of mica-paper are available:

  • Mechanical grade: Highly-porous mica-paper with excellent impregnating properties.
  • Thermo-Mechanical grade: Less porous mica-paper with higher tensile-strength.

APPLICATION

Base-material and the most critical ingredient in all high-voltage and high-temperatureresistant insulating products.

AVAILABILITY

Folium:
Length : 400 – 550 m
Width : 1000/1020/1040 mm
Thickness : 60 – 300 GSM

PACKING

Mica-paper roll is air-suspended using thick side-pad supports and packed in airtight and robust boxes protecting them from dirt, dust, moisture and shock. The packaging also ensures safe transit and storage.

STORAGE

Unlimited in moisture-free conditions

Techical Info

Product Data : Uncalcined Muscovite Mica Paper

Type 75 gsm 80 gsm 100 gsm 120 gsm 150 gsm 180 gsm 230 gsm 250 gsm
Basis Weight gr/m² 75 80 100 120 150 180 230 250
Max Deviation (Average) % ± 5 ± 5 ± 5 ± 5 ± 5 ± 5 ± 5 ± 5
Max Deviation (Single Value) % ± 7 ± 7 ± 7 ± 7 ± 7 ± 7 ± 8 ± 8
Indicative Thickness Average mm 0.048 0.05 0.05 0.07 0.09 0.105 0.13 0.145
Tensile Strength (≤) kN/m 0.35 0.35 0.35 0.35 0.4 0.45 0.45 0.45
Dielectric Strength kN/mm 15 -17 15 -17 15 -17 15 -18 15 -18 15 -18 15 -18 15 -18
Porosity s/100 ml 500 ± 50 500 ± 50 550 ± 50 550 ± 50 600 ± 50 650 ± 50 800 ± 100 800 ± 100
Penetration Average Value s 5 ± 2 5 ± 2 7 ± 2 8 ± 2 12 ± 2 20 ± 5 45 ± 10 50 ± 10
Loss of Mass (≤) % 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6
Conductivity of Aqueous Extract μ S/cm ≤ 5 ≤ 5 ≤ 5 ≤ 5 ≤ 5 ≤ 5 ≤ 5 ≤ 5

Note: 10 N/cm = 1 kN/m

Product Data : Uncalcined Muscovite Mica Paper

Type 75 gsm 80 gsm 100 gsm 120 gsm 150 gsm 200 gsm 230 gsm 250 gsm 270 gsm
Basis Weight (gsm) 75 80 100 120 150 200 230 250 270
Max Dviation (Average) % ± 5 ± 5 ± 5 ± 5 ± 5 ± 5 ± 5 ± 5 ± 5
Max Deviation (Single Value) % ± 7 ± 7 ± 7 ± 7 ± 7 ± 7 ± 7 ± 7 ± 7
Indicative Thickness Average mm 0.05 0.052 0.063 0.072 0.092 0.12 0.135 0.145 0.155
Tensile Strength (≤) kN/m 0.3 0.3 0.35 0.4 0.4 0.45 0.45 0.45 0.45
Dielectric Strength kN/mm 14 ± 16 14 ± 16 14 ± 16 15 ± 17 15 ± 17 15 ± 17 15 ± 18 15 ± 18 15 ± 18
Porosity s/100 ml 350 ± 50 350 ± 50 350 ± 50 350 ± 50 350 ± 50 600 ± 100 700 ± 100 700 ± 100 700 ± 100
Penetration Average Value s 4 ± 2 4 ± 2 7 ± 2 8 ± 2 10 ± 4 25 ± 8 30 ± 10 35 ± 10 35 ± 10
Loss of Mass (≤) % 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7
Conductivity of Aqueous Extract µS/cm ≤ 4 ≤ 4 ≤ 4 ≤ 4 ≤ 4 ≤ 4 ≤ 4 ≤ 4 ≤ 4

Note:10N/cm=1kN/m

Data is based on tests performed by Ruby Mica. Users are advised to verify and ensure suitability for intended applications. The above product can be tailored according to your desired specifications.

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