---
product_id: 52106784
title: "GC 21-334-VP Positive Pre-Sensitized Single-Sided Copper Clad Circuit Board, 4\" x 6\" Size"
brand: "gc"
price: "€ 3.81"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/52106784-gc-21-334-vp-positive-pre-sensitized-single-sided-copper
store_origin: ES
region: Spain
---

# Dielectric constant 5.4 4" x 6" size Single unit count GC 21-334-VP Positive Pre-Sensitized Single-Sided Copper Clad Circuit Board, 4" x 6" Size

**Brand:** gc
**Price:** € 3.81
**Availability:** ✅ In Stock

## Summary

> 🔌 Elevate Your Projects with Precision!

## Quick Answers

- **What is this?** GC 21-334-VP Positive Pre-Sensitized Single-Sided Copper Clad Circuit Board, 4" x 6" Size by gc
- **How much does it cost?** € 3.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/52106784-gc-21-334-vp-positive-pre-sensitized-single-sided-copper)

## Best For

- gc enthusiasts

## Why This Product

- Trusted gc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **User-Friendly:** Ideal for both professionals and hobbyists alike.
- • **Compact Design:** Perfectly sized at 4" x 6" for versatile applications.
- • **High-Quality Material:** Constructed with premium copper for superior conductivity.
- • **Precision Engineering:** Crafted for optimal performance in electronic projects.
- • **Enhanced Signal Integrity:** Dielectric constant of 5.4 ensures minimal signal loss.

## Overview

The GC 21-334-VP Positive Pre-Sensitized Single-Sided Copper Clad Circuit Board is a high-quality, compact solution for all your electronic needs, featuring a dielectric constant of 5.4 for enhanced signal integrity and designed for both professional and DIY applications.

## Description

1 oz. copper (0.0014") on a 1/16" (UL 94V-O) epoxy-glass FR-4 board. New high quality positive pre-sensitized PC boards are double protected from light and handling damage and feature copper on one side only. The peel-off coating protects the board while handling or cutting prior to exposure. Can be exposed with common fluorescent lamps. GC makes it easy for anyone to make a professional looking board. Use with GC Developer Part Nos. 22-225 or 22-226 mixed 1 to 9 with water. Dielectric constant at 1 MHz = 5.4.

## Features

- Product type: Circuit Board
- Dielectric constant at 1 MHz = 5.4
- Unit count: 1.0
- Package Dimensions: 0.3 L x 21.6H x12.1W(centimeters)

## Images

![GC 21-334-VP Positive Pre-Sensitized Single-Sided Copper Clad Circuit Board, 4" x 6" Size - Image 1](https://m.media-amazon.com/images/I/71WNzoSqcbL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: are there one or two boards in the package?**
A: there is only one

**Q: Will led bulbs expose board?  does incandescent light almost expose?**
A: I don't know about these lights, I use two ordinary fluorescent lights at 3" for 20 minutes, you can try between 15 and 20.

**Q: Can you cut these boards to size?**
A: Yes, they come with a protective material that needs to be removed before exposure.  This material is white and you can use it to draw the outline for the size of board you need and then cut it with either a hack saw or saber saw.  Please use a dust mask while cutting since the boards do contain glass.

**Q: Who manufactures these boards?**
A: GC Electronics and they are really excellent quality, thicker copper the MG boards and FR4 very strong. Requires about 2/3 exposure time to MG boards

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**Shop now:** [https://www.desertcart.es/products/52106784-gc-21-334-vp-positive-pre-sensitized-single-sided-copper](https://www.desertcart.es/products/52106784-gc-21-334-vp-positive-pre-sensitized-single-sided-copper)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-01-31*