Troubleshooting Guide

Unsure about a technical term, looking for a solution for a common finishing problem or easy-to-follow instructions on techniques? Our troubleshooting guide is here for you!

Troubleshooting

Unsure about a technical term, looking for a solution for a common finishing problem or easy-to-follow instructions on techniques? Our troubleshooting guide is here for you!
Search for glossary terms (regular expression allowed)
Term Definition
S
S
Sagging

Common
Problem

Gravity driven flow on vertical surfaces


Chemcraft
Solution

Speed up solvent balance

Control or reduce application of material

Increase application viscosity

Correct spray application, avoid overlap, use correct gun angle, speed, gun movement

Apply several thinner coats

Reduce drafts and application in direct sunlight

Increase temperature of application area

Reduce application nozzle size

Reduce fluid pressure

Seeds

Common
Problem

Small granules in finish

Undispersed or flocculated pigments

Dirt

Resin gel particles


Chemcraft
Solution

Check to confirm dirt and not small air bubbles

Clean environment

Clean application equipment

Filter material

Use correct thinner

Store and apply material at room temperature

Separation

Common
Problem

Partial precipitation from solution

Syneresis or phasing of material

Pigment settling


Chemcraft
Solution

Change solvent for reduction

Store at room temperature

Ensure good adhesion

Lower amount of reduction

Slower addition of reducer

Keep container sealed to reduce oxidation

Silking

Common
Problem

Parallel lines of irregularities in finish

Floating problem

Phase separation

Specialized Bénard cells

Incompatibility


Chemcraft
Solution

Add dispersant

Use silicone additive

Increase application viscosity

Add thixotrope or thickener

Skinning

Common
Problem

Skin on surface of paint

Gummy material in bottom of paint


Chemcraft
Solution

Keep containers closed

Check pot-life

Add water / solvent coverage to material

Solvent Trap

Common
Problem

Cracking / crazing of finish after unpacking

Glossy or flat spot after stacking


Chemcraft
Solution

Decrease or ensure correct film application

Ensure correct air movement and dry times

Do not store in cold environment before complete cure

Increase cure before stacking or packing

Ensure correct catalyzation

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