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Polyester Resins
 

 

General Material Info:


Polyester resins are the most commonly used matrix in the marine and composite industry. These resins are styrene-based, flammable and catalyzed when combined with MEKP When working with large quantities of these resins, it is advised to use gloves & chemical respirator to protect yourself from the fumes. These resins can be used with any type of fiberglass, Carbon fiber or Kevlar as well as used over Urethane foam  and other sandwich materials except Styofoam. These resins tend to be fairly rigid when cured and also slightly more brittle than Epoxy resins.


Sales Info:


All resins are sold without wax. Surfacing wax can be purchased separately if  needed for use on finishing coats. Also, all resin prices include catalyst. 1 Quart= 1ounce, 1 Gallon=2ounce, 5gal=6ounce. If additional MEKP is needed please order separately.


Shipping Info:


Because polyester resins are a flammable, we are unable to ship these products by air freight. Quarts and Gallons can be shipped by Ground with no extra fees with a maximum of one gallon per box. 5 Gallon pails can be shipped by Ground only and require an additional $20.00 Hazardous Fee. 

See below for surfacing wax, styrene and MEKP curing agent.


404 Tooling Polyester Resin--Isophthalic

This resin is used where strength and durability are a must such as boat hulls and molds. 

Size Item # Price
1 Quart S404025 $13.00
1 Gallon S404100 $35.88
5 Gallons S404500 $148.20

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700 Vinyl Ester Resin

This resin has greater chemical and heat resistance than the general use Polyester resins. 

Size Item # Price
1 Quart S700025 $15.08
1 Gallon S700100 $42.64
5 Gallons S700500 $169.00

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435 Standard Polyester Lay-up Resin

435 is our most popular Polyester resin. It's excellent for all types of  lamination, lay-up and repair work. It has high strength and wets out reinforcing fabric readily.

Size Item # Price
1 Quart S435025 $11.18
1 Gallon S435100 $29.12
5 Gallons S435500 $120.64

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B440 Premium Polyester Resin

This is our premium quality Polyester resin. It has all of the desirable characteristics plus it's very workable up until the final stages of cure. 

Size Item # Price
1 Quart SB440025 $12.22
1 Gallon SB440100 $31.72
5 Gallons SB440500 $134.16

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EB General Purpose Polyester Resin

Our least expensive used for repair and construction excluding structural applications. 

Size Item # Price
1 Gallon SEB100 $25.40
5 Gallons SEB500 $107.64

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Silmar 41 Clear Casting Polyester Resin

Used for thick castings that need to be water clear. Not to be used in laminating. The amount of curing agent is critical depending on mass of the casting and should be determined with experimentation. 

Size Item # Price
1 Quart SM41025 $13.00
1 Gallon SM41100 $33.80
5 Gallons SM41500 $136.76

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Silmar 249 Clear Surfboard Resin

       Clear polyester laminating and layup resin. Used in surfboard  
      construction and other composites where a clear surface finish is 
      needed.

Size Item # Price
1 Quart SS249025 $13.26
1 Gallon SS249100 $34.32
5 Gallons SS249500 $137.80

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Pure White Gelcoat

       For exterior use. No wax added.

Size Item # Price
1 Quart SGELWH025 $15.34
1 Gallon SGELWH100 $41.55
5 Gallons SGELWH500 $170.04

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Black Tooling Gelcoat

       Gelcoat generally used as a surface for mold interiors.

Size Item # Price
1 Quart SGELBL025 $19.76
1 Gallon SGELBL100 $51.00
5 Gallons SGELBL500 $231.41

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Orange Tooling Gelcoat

       Gelcoat generally used as a surface for mold interiors.

Size Item # Price
1 Quart SGELOR025 $19.76
1 Gallon SGEOR100 $53.04
5 Gallons SGELOR500 $231.40

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Clear Metalflake Gelcoat

       Clear Gelcoat which can be mixed with glitter/metal flake for a metallic 
      finish. It can also be used as a clear coating over polyester resin.

Size Item # Price
1 Quart SGELCL025 $16.12
1 Gallon SGELCL100 $42.64
5 Gallons SGELCL500 $179.40

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Neutral Gelcoat

       A neutral gelcoat that can be tinted with a color pigment to create a 
      rich toned
 color.

Size Item # Price
1 Quart SGELNU025 $16.64
1 Gallon SGELNU100 $44.20
5 Gallons SGELNU500 $184.60

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Surfacing Wax

       Added to polyester resin to allow the surface to cure without tackiness.
      Added at a rate of 2 oz per gallon of resin.

Size Item # Price
2 oz SWAX02 $2.34
16 oz SWAX16 $7.02
32 oz SWAX32 $10.92
1 Gallon SWAXG $31.15

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MEKP Curing Agent

       Used at a rate of 1-2 % of resin. Shelf Life: Because of the limited
      shelf life of MEKP, it is recommended that only enough be ordered for
      2 months use.

Size Item # Price
2 oz MEKP020 $2.34
4 oz MEKP040 $3.64
8 oz MEKP080 $5.15
16 oz MEKP160 $8.27
32 oz MEKP320 $13.47
1 Gallon--Spec. Shipping MEKPG $29.64

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Styrene

       Added to polyester resin and gelcoats to thin the resin for spraying. 
       Use 10-15 % by volume.

Size Item # Price
16 oz STY010 $4.11
32 oz STY025 $6.50
1 Gallon STY100 $18.51
5 Gallons STY500 $74.10

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NOTE: Used improperly, some products can be very harmful.
Click here to view safety information.

Prices are subject to change without notice.

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