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Phenolic Laminates

Custom Phenolic Sheet, Rod & Tube Machined


Phenolic laminated sheet tube rod are made from thermosetting resins formed by the polymerization of phenol and formaldehyde, which can then be immersed in cotton canvas or linen paper materials to form industrial laminates.In general, industrial laminates are dense, durable, moisture-resistant, light in weight, and do not soften when reheated.Typically they have high mechanical and insulating properties.

Phenolic sheet tube rod can be machined, drilled, drilled, polished, tapped, turned, milling, cut and cut.Its dielectric properties make it an excellent insulator for applications from transformers to circuit boards.JY Machinery supplies phenolic/micarta in sheet,rod and tube for all applications.

The main types of Phenolic Laminates:


Phenolic cotton fabric laminate sheet/ tube/ rod made of cotton fabric impregnated with phenolic resin in baking and pressing.
Applications:Widely supply insulation and mechanical support in various electrical equipments,also can be used in transformer oil.superior grade laminates can be used in harsh environments where precision machinery products are required like gear running,friction wheel,etc.

Phenolic paper laminated sheet/ tube/ rod made of the impregnated cardboard soaked with phenolic resin baking hot pressure,Not easy to warp,deformation.Excellent voltage resistance and heat resistance,Good mechanical strength.

Applications:Widely used in high performance requirements of electrical machinery and electrical equipment as insulating structures.

Products Comparison:

  • Paper Phenolic: Paper is commonly used in applications where low cost is important. Though the material retains excellent electrical properties there is a noticeable loss in mechanical properties as compared to other grades. (x, xx, xxx, xxpc, etc.)
  • Cotton Phenolic: Cotton is used in applications where mechanical strength and machinability is important. Cotton phenolics are readily available in the two most popular grades CE, a course weave fabric, and LE a fine weave fabric gives nice machined finish. (C, CE, L, LE, etc.)


TYPICAL PROPERTIES of PHENOLIC LAMINATES:



ASTM or UL
test


Property

Paper

Canvas

D792


Density (lb/in³)
(g/cm³)



0.049
1.35



0.050
1.37


D570

Water Absorption, 24 hrs (%)

2

2.5

D638


Tensile Strength (psi)
-lengthwise
-crosswise



15,000
12,000



11,000
9,000


D790


Flexural Strength (psi)-lengthwise
-crosswise



16,000
13,200



17,500
15,000


D790


Flexural Modulus (psi)-lengthwise
-crosswise



1,100,000
900,000



1,600,000
1,500,000


D256


IZOD Notched Impact (ft-lb/in)-
lengthwise
-crosswise



0.65
0.60



1.70
1.50


D695

Compressive Strength (psi)

32,000

37,000

D785

Hardness, Rockwell M

M100

M100

D696


Coefficient of Linear Thermal
Expansion
(x 10-5 in./in./°F)
-lengthwise
-crosswise



0.80
1.20



1.10
1.22


-

Max Operating Temp (°F / °C)

257 / 125

257 / 125

C177


Thermal Conductivity
(BTU-in/ft²-hr-°F)
(x 10-4 cal/cm-sec-°C)



2.03
7.0



2.03
7.0


UL94

Flammability Rating

H-B

H-B

D149


Dielectric Strength (V/mil) short
time, 1/8" thick


750(XX)

550(CE)

D150

Dielectric Constant at 1 MHz

5

5

D150

Dissipation Factor at 1 MHz

0.045

-

D495

Arc Resistance (sec)

110

15




















































Product Features:

· Easy to machine

· High density

· Low moisture absorption

· Excellent electrical properties

· Low cost

· Good wear resistance

· Good mechanical strength

· Strong and stiff

· High impact and compressive strength

· Excellent moldability/stability

· Good chemical resistance


Phenolic Sheet/ Tube/ Rod Machining & Rotational Molding:

JY machinery provide professional electrical insulation solution and ensures that we understand your applications and your requirements so that we can provide you with high quality, precision tolerance products that meet your specifications.We provide a variety of phenolic/mictarta processing, fabricaion and molding services. We will work with you to select the most effective and efficient manufacturing process for phenolic parts and manufacture parts to your exact specifications.

Our state-of-the-art facilities are equipped with more than 20 types of equipment that can provide customized plastic turning, milling, routing and sawing services.We focus on making large parts and our equipment is designed to process 148' or longer parts to a tolerance of +/ -.001 depending on the material.JY machinery has the ability to mold custom parts up to 800 pounds with a wall thickness of 3/16 inches and a maximum swing of 64 inches.Call JY Machinery immediately to meet all your requirements for phenolic processing and molding.


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