Vinyl Ester Resin Hardener Ratio

One gallon of polyester resin weighs approximately 9 2 lbs.

Vinyl ester resin hardener ratio.

The hardener catalyst for vinyl ester resin is mekp methyl ethyl ketone peroxide. When using vinyl ester resin be sure to use it quickly after purchasing. Resin has a short shelf life. Vinyl ester resin cures with a tack.

Methyl ethyl ketone peroxide mekp is an organic peroxide used in the marine industry. It adds excellent strength rigidity adhesion water and chemical resistance. Cloth and polyester resin. To cover wood a laminate using epoxy resin and 10 oz cloth will yield a much better job than 10 oz.

Vinyl ester has a shelf life of 3 months. It is the same catalyst used with polyester resins. Cc cubic centimeter. It is meant for a room temperature cure.

Our epoxy resins come in either a 2 1 or 4 1 mixing ratio. There is a choice of three different hardeners. Catalyze 1 5 get a pint for a. It is a solution of methyl ethyl ketone peroxides and cumyl hydroperoxide in phlegmatizer.

The speed of hardener chosen depends on the temperature in the. You can vary the cure time for polyester vinyl ester resins by reducing or increasing the. One gallon of gelcoat weighs approximately 10 5 lbs. Oz fluid ounce.

It can withstand repeated bending better than both polyester and epoxy resin. Ve resin is a tougher resin because of its longer molecular chains. 30 drops is approximately equal to one cc. Hetron 922 l25 vinylesterhetron 922 l25 vinylesterashland s hetron 922 l25 is an incredibly versatile resin.

An mekp catalyst is mixed with polyester vinyl ester resin in a very low ratio just a few drops of catalyst per ounce of resin. Epoxy resin uses a hardener and polyester vinyl ester resins use a catalyst usually mekp methyl ethyl ketone peroxide. The hardener catalyst for vinyl ester resin and polyester. The styrene in the polyester or vinyl ester resin will melt it.

Mekp is the catalyst hardener needed to cure polyester and vinyl ester resins. It wets out glass very quickly and has low viscosity. Fast medium and slow. Regarding costs vinyl ester resin is more expensive than polyester resin but cheaper than epoxy resin.

It has a measured glass transition temperature t g of 110 c hence allowing the clamp to withstand up to a maximum service temperature of 80 c. Using drops for catalyst measurement is only an estimate. So if you need vinylester and you have a vertical surface you might consider the reichhold hydrex 100 products. Try to store the resin in a cool dry place or refrigerate do not freeze it to extend the life of the resin.

Epoxy resin should be used. Catalyst chart for polyester resin gel coat and vinyl ester marine resins. Vinyl ester resin is selected due to its well known performance in marine conditions and good chemical resistance to a wide range of chemicals including sour crude up to 100 c. The weight of mekp 925 is 1 125 grams per cc.

Mekp is also used with gel coats.