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Repairing & Bonding Plastic


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This has been asked to me a few times.

We all know there are products like Duramix 4040 and SEM has similar products. But they require expensive guns to dispense it and each product uses a different style gun running cost up more.http://www.stevemeadedesigns.com/board/public/style_emoticons/default/mad.gif

So in my quest to find something different, I came across Dominion Seal and a some new products by Evercoat.

I am gonna quote some stuff I have previously answered......

Originally posted by mixbreedblaze

what would you suggest on filling small knicks in the plastic and deep scratches....

I am gonna assume that the nicks and scratches are pretty deep and the filler primers won't fill them or you just want to start of with a smooth surface.

I have 2 products to share with you.

The first one is a plastic surgury repair compound. You mix it like regular body fillers in a 1:1 ratio. They have 3 different variations for your needs.

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XPSAP Semi-Rigid Epoxy is a two-component semi rigid modified epoxy designed as an “ALL PURPOSE” plastic repair material. XPSAPs unique formulation allows you to use this product on the full spectrum of automotive plastics. When in doubt on which type of plastic (flexible, semi-rigid, or rigid) you are repairing use XPSAP. XPSAP is formulated to work on all plastics including the more common and also the traditional “tough to bond” plastics (TPUR, PUR, RIM, PP, TPO, TPE). This product is designed as an adhesive and filler to be used on the front and backsides of a repair. XPSAP can also be used over our Urethane Repair material (XSMAP, XSM11000). XPSAP is an outstanding Semi-Rigid filler that is commonly used as a glaze coat over all types of plastics due to its easy sanding and featheredging characteristics. XPSAP may also be used as a multipurpose adhesive. Some areas of use include: door skins (metal and plastic), rusted patch panels, backer panels (metal, SMC, Fiberglass, and Rigid Plastics), ground effects, etc. XPSAP bonds, fills, and sands with outstanding performance. This semi-rigid adhesive/filler is used and approved by automotive OEMs such as GM, Toyota, VW and many others. The “Original Plastic Surgery” as used by the professionals.

XRF Rigid Epoxy is a two-component modified rigid epoxy designed for the repair of rigid composite plastics and fiberglass. XRF is formulated to work on all rigid composite plastics including (SMC, BMC & RTM). XRF is ideal for use on fiberglass parts where extra strength is required. This product is designed as an adhesive and filler on the front and backsides of repairs. XRF can also be used over our Urethane Repair material (XSMAR). XRF is an excellent rigid filler that is commonly used by the professional plastic repairers due to its sanding, adhesion and featheredging characteristics. XRF may also be used to bond non structural metal, SMC, Fiberglass, Rigid plastics, and glass. XRF bonds, fills, and sands with no pinholes. This rigid adhesive/filler is also used and approved by automotive OEMs such as GM, Toyota, VW and many others. The “Original Plastic Surgery” as used by the professionals.

OEM Approved Epoxy

Rigid Bonding & Plastic Repair

XRFNTR is a two-part Rigid Bonding epoxy designed for use on Rigid thermoset plastics and fiberglass. XRFNTR is formulated to Bond all Rigid plastics such as SMC, BMC, RTM, Fiberglass and all fiber reinforced plastics. Excellent on header panels & headlight housings and can be drilled & tapped.

Used and approved for Rigid Plastic Bonding or filling applications by many OEM such as GM, Toyota, VW and others. XRFNTR offers high heat resistance with excellent tooling. XRFNTR can also be used for the bonding of Non Structural metal panels if a two-part bonding adhesive is desired in a manual-mixing tube kit. XRFNTR may be used to bond patch panels, door skins, quarter panels, and most Non Structural metal panels. XRFNTR may also be used as a side channel glass adhesive. Please see “Instructions for Panel Bonding” prior to using as a metal bonder.

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Building The Best.....Repairing The Rest

The bitter after-taste of a poor quality job will last far longer

than the sweetness of that cheap price!

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The 2nd item is a fairly new product by Evercoat. Probally more suited towards blending and repaing broken plastics and stuff.

I have bought some of this, just haven't used it yet. Been using the Dominion Seal stuff. But I do have a project I am gonna use the Fibre Tech stuff on.

Here is a link to it........

http://www.evercoat.com/productDetail.aspx

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Building The Best.....Repairing The Rest

The bitter after-taste of a poor quality job will last far longer

than the sweetness of that cheap price!

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Also new by Evercoat is a line called Maxim. It can be used in a regular style caulk gun.........

http://www.evercoat.com/productCategory.aspx

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Building The Best.....Repairing The Rest

The bitter after-taste of a poor quality job will last far longer

than the sweetness of that cheap price!

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Items by dominion sure seal, come in smaller cartridges so you do not need to buy in bulk if only a small amount is going to be required.

requires a calking gun for dispensing and very inexpensive

http://www.dominionsureseal.com/productsde...37&catid=32

http://www.dominionsureseal.com/productsde...46&catid=32

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http://www.dominionsureseal.com/productsde...45&catid=32

^^^the conversion kit to allow the product to be applied through a standard calking gun

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http://www.dominionsureseal.com/productsde...67&catid=32

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use self disposable mixing tips

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Building The Best.....Repairing The Rest

The bitter after-taste of a poor quality job will last far longer

than the sweetness of that cheap price!

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Did some price comparisions and the applicator gun for the SEM brand was $68. The gun for the Duramix was $90. The plastic repair for each style was the same price at $32.

Since I use alot of SEM paints already, and the store keeps alot of SEM in stock, I chose that.

It also helped that the gun was alot cheaper.

If your interested in what I ordered, here is a list......

http://www.sem.ws/product.php?product_id=241

http://www.sem.ws/tech_sheet/QS50%20TDS.pdf

http://www.sem.ws/product.php?product_id=104

I use the 7oz tubes and gun for them.

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Building The Best.....Repairing The Rest

The bitter after-taste of a poor quality job will last far longer

than the sweetness of that cheap price!

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normal_EPICENTERDESIGNS_128.gif

Building The Best.....Repairing The Rest

The bitter after-taste of a poor quality job will last far longer

than the sweetness of that cheap price!

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Hope this helps someone out.

These products also work great at bonding fiberglass to stock plastics and molding things into your panels.

Sticky?

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Building The Best.....Repairing The Rest

The bitter after-taste of a poor quality job will last far longer

than the sweetness of that cheap price!

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I will definately be trying your recomendations. I'm needing to do my A-pillars soon and have found alot of broken plastic throughout (spelling?) my rig. I do think this topic should be a sticky. Also if you have pics of your use of this stuff that would help as well. I know Steve has pics in his builds of plastic forming, but a sticky including individual pics would be kick ass.

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the 3m guy was at our shop friday showing off all the newest plastic repair crap with the duramix and stuff. i think our supply guy left us some crap. if we ever use it i will give you a reveiw

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