General How To Repair Broken Parts Repair Guide

Difficulty

Easy

Steps

8

Time Required

                          5 - 20 minutes            

Sections

1

• General - How to repair broken parts
• 8 steps

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Introduction

The trick is to increase the bonding area by scattering glass sand alternately with glue onto it.

After the repair the parts are often significantly more stable than before.

The video shows how this works.

What you need

Video Overview

Step 1

              Glass sand and cyan acrylate glue               

• You need cyan acrylate glue and glass sand with a particle size of 0.05 to 0.5 mm.
• Glass sand has the advantage that it is alkaline and therefore the glue cures rapidly.

You need cyan acrylate glue and glass sand with a particle size of 0.05 to 0.5 mm.

Glass sand has the advantage that it is alkaline and therefore the glue cures rapidly.

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Step 2

              Have activator on hand               

• To speed up curing activator helps a lot.

To speed up curing activator helps a lot.

Step 3

              clean damage area               

• Make sure, the glueing areas a free of dirt, dust and grease.

Make sure, the glueing areas a free of dirt, dust and grease.

Step 4

              Add glue               

• Add a little glue onto the damage area.

Add a little glue onto the damage area.

Step 5

              Scatter glass sand               

• Scatter glass sand onto the glue and wait until it’s cured. Eventually spray a little activator onto it.

Scatter glass sand onto the glue and wait until it’s cured. Eventually spray a little activator onto it.

Step 6

              Add more glue               

• Add more glue

Add more glue

Step 7

              Add more glass sand               

• Again scatter glass sand onto the glue. Alternating add glass sand and glue until the desired layer thickness has reached.

Again scatter glass sand onto the glue. Alternating add glass sand and glue until the desired layer thickness has reached.

Step 8

              After curing               

• As soon as the desired layer thickness has reached and the glue is cured, the parts may be strained.

As soon as the desired layer thickness has reached and the glue is cured, the parts may be strained.

Low viscous cyan acrylate glue is better for this technic than the jelly like glue, because it sucks more easily into the gaps in between the glass particles.

Glass sand has the advantage that it is alkaline and therefore the super glue hardens quite fast. In principle you may add as many glass layers as you like to build for example reinforcement ribs or bridges. In addition you may fill layer-wise holes or cracks this way. Excessive material may be cut off using a scalpel. Also post processing by filing or sandig works fine.

The glass sand scattering technic is also working well to repair broken porcellain or ceramics.

Unfortunately not all plastic material can be easily glued. Especially with poly ethylene, poly propylene an Teflon superglue needs a primer.

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Author

                                      with 1 other contributor 

                    Rolf Jethon                     

Member since: 12/13/2021

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