Phenolic Cotton Cloth Laminated Sheet (3230)
General industrial phenolic plate for mechanical and electrical parts. The 3230-grade phenolic cotton sheet is a general industrial laminate for mechanical and light electrical parts. It machines and taps cleanly. We supply it cut and machined to the part drawing with flatness and hole position checked. General mechanical and light electrical parts where you need a machinable phenolic plate.
Technical specifications
| Grade | 3230 phenolic cotton |
| Use | Mechanical / light electrical |
| Property | Machinable |
| Material | Phenolic cotton cloth laminate |
| Standard | ASTM D4909 (phenolic), UL 94 V-0 (material dependent). |
| Operating temperature | -40 °C to +120 °C |
| Dielectric strength | ≥ 20 kV/mm (per ASTM test method) |
Applications by industry
- Wear-resistant insulating plates in machine tooling
- Gear and silent-chain blank stock (mechanical)
- Electrical-machine insulation plates and end-winding spacers
- Jig and fixture base plates needing hard surfaces
- Punch-press and brake-pad insulating plates
- Custom sheet cut to panel and gasket profiles
Why phenolic cotton cloth laminate (3230) for this application
Phenolic cotton sheet (3230) balances machining ease, impact toughness and insulation for flat parts that see both mechanical wear and electrical presence.
p>Confirm grade against moisture and tracking. Cotton grades absorb and swell. Seal cut edges for dimensional parts. seal cut edges for dimensional parts.Standards: ASTM D709, IEC 60893-3-4, UL 94 HB/V-0.
Feature and remaining-wall review
ID/OD turned to drawing; CNC milling for flats, shoulders and holes. Tool sharpness critical to avoid delamination. On Phenolic Cotton Cloth Laminated Sheet (3230) we review feature depth, edge distance and remaining wall against the critical geometries, confirming capability on your drawing instead of a blanket tolerance.
Inspection and traceability
We state the control plan with you. Batch traceability links raw material lot to finished part.
- First-article inspection (FAI) per your plan
- In-process dimensional checks at every station
- Batch certificate of conformance (COA) supplied on request
- Lot traceability to incoming material certificate
- Dielectric strength and insulation resistance testing available on request
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Common questions
What are the typical applications for Phenolic Cotton Cloth Laminated Sheet (3230)?
Typical applications are mechanical / light electrical. Describe the duty and the environment, and we will confirm whether Phenolic Cotton Cloth Laminated Sheet (3230) is the right grade for it.
What material is used for Phenolic Cotton Cloth Laminated Sheet (3230)?
The material is Phenolic cotton cloth laminate. Alternate grades can be quoted against your drawing.
Is material certification supplied with Phenolic Cotton Cloth Laminated Sheet (3230)?
Every batch of Phenolic Cotton Cloth Laminated Sheet (3230) ships with a material COA. First-article inspection and dielectric strength testing are added when your specification calls for them.
Can Phenolic Cotton Cloth Laminated Sheet (3230) be made to our drawing?
Thickness and sheet size are supplied to your drawing. Send the print with the quantity you need and we will quote to it.
Engineering Guides & Selection Notes
Engineering notes covering the sizing and specification questions around Phenolic Cotton Cloth Laminated Sheet (3230).
Get pricing for Phenolic Cotton Cloth Laminated Sheet (3230)
Send the drawing for Phenolic Cotton Cloth Laminated Sheet (3230) and state the annual volume. We check the grade against duty and tolerance, verify the bore, outside diameter, wall and any features of Phenolic Cotton Cloth Laminated Sheet (3230), and reply with manufacturability notes and pricing.