Rich's Rules!

I'll do my best to offer helpful tips, advice, do's and dont's and anything else I can think of to help you get the job done!

This Weeks Rule

Catalyst Notes

When taking on a Fibreglass Project there are a number of important rules to follow when deciding how much catalyst to add;

1. Never use less than 1% or more than 4%.
2. NEVER underestimate the effect of the temperature – Resins will not cure at or below freezing and will always cure quicker in direct sun light.
3. When using Topcoat late in the day, add more catalyst to allow for the lack of sunlight.
4. In Winter use Winter Catalyst, in Summer use Standard Catalyst.
5. Remember: Any catalysed resin left in a bucket will generate heat as it is curing, so it should be kept well away from other stored materials. Water can be poured over the resin to suppress the heat gain.
6. Always mix the catalyst into the resin thoroughly before using the resin (a couple of minutes for a 5-litre bucket.) Failure to do this can result in ‘streaking’ on the laminate. Where streaks of uncured resin will remain visible and ultimately lead to failure in the laminate.

CATALYST USAGE CHART
Deck/ Resin Temp	29-35 Degree	21-28 Degree	13-20 Degree	5-12 Degree
Percentage Catalyst	1% Catalyst	2% Catalyst	3% Catalyst	4% Catalyst
Table of Percentage in Millilitres, Per Weight of Resin Used
Amount of Resin	Catalyst Usage
1 kg	10ml	20ml	30ml	40ml
2kg	20ml	40ml	60ml	80ml
3kg	30ml	60ml	90ml	120ml
4kg	40ml	80ml	120ml	160ml
5kg	50ml	100ml	150ml	200ml
6kg	60ml	120ml	180ml	240ml
7kg	70ml	140ml	210ml	280ml
8kg	80ml	160ml	240ml	320ml
9kg	90ml	180ml	270ml	360ml
10kg	100ml	200ml	300ml	400ml

If you are not too sure, or have further questions then get in touch on 01268696094 or email us on support@cybglassfibre.co.uk

Past Rules

1. 5 Rules for Applying Fibreglass Resin