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  Composites - Fillers
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3M GLASS BUBBLES

These bubbles are actually hollow glass spheres. Because this high-quality glass is very crush resistant, the foam is much stronger, stiffer and water-resistant than any foam made by chemical ...

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01-146003M GLASS BUBBLES 1 LB.$9.65
01-147003M GLASS BUBBLES 5 LB.$39.85

SUPER FIL

1 Quart Kit (12 oz. Hardener + 20 oz. Resin) 3 Gallon Kit (1 gal. Hardener + 2 gal. Resin) Bondo for airplanes! Superfil is an ultra-lightweight epoxy filler for rough fill and contour...

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09-28250POLY-FIBER SUPERFIL EPOXY A&B$22.90 Add to cart for current price
09-28260SUPERFIL INDUSTRIAL 3 GAL KIT$204.00 Add to cart for current price

ALPHA POXY

Available exclusively from Aircraft Spruce AlphaPoxy is a low-cost flexible epoxy system that is ideal for laying up non-structural parts like wheel pants, or fairings. Because it is flexib...

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01-07911ALPHA POXY 1-1/4 GAL KIT$79.90
01-07909ALPHAPOXY HARDENER GALLON$55.00
01-07912ALPHA POXY RESIN 7/8 GAL$49.85
01-07910ALPHAPOXY HARDNER 5 GAL PAIL$265.95
01-07908ALPHA POXY HARDENER 3/8 GAL$28.50
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FLOCKED COTTON FIBER

A structural resin filler. The mixture of cotton fiber and epoxy is referred to as

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01-14800FLOCKED COTTON FIBER 1 LB.$3.95
01-14900FLOCKED COTTON FIBER 5 LB.$19.75

CAB-O-SIL

Cab-O-Sil is a fumed lightweight silica thickener used to reduce the flow of epoxies on vertical surfaces, as well as filling pinholes with its smooth texture.

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01-04711CAB-O-SIL 1 GALLON BAG$10.95
01-04710CAB-O-SIL 10 LB BAG$219.95

AEROPOXY LIGHT

Aeropoxy Light, a modification of the ES6279 adhesive system, is a two-component paste epoxy patching and filler compound for foam, wood, fiberglass and other surfaces.

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02-30006AEROPOXY LIGHT 1.5LB KIT$34.50
02-30007AEROPOXY LIGHT 6LB KIT$109.75

WEST SYSTEM 410 MICROFLIGHT

An excellent filler which provides easy workability for a variety of applications. Easy to sand and cures to a neutral tan color.

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01-08780WEST SYS 410 MICROLIGHT 2 OZ$15.69 Add to cart for current price
01-08785WEST SYS 410-7 MICROLIGHT 5 OZ$31.10 Add to cart for current price

MILLED GLASS FIBERS

As the name implies, this material is made by milling fiberglass into a very thin consistency. This material is used in preparing a structural filler. This material is used in fillets that requi...

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01-14780MILLED GLASS FIBERS 1 LB$4.65

FEATHER FILL

A sprayable polyester filler/primer used for filling of minor surface irregularities such as scratches, blemishes and exposed fiberglass threads before final sanding and painting. It adheres to bare metal, plastic filler and fiberglass with minimal surface preparation. Cures ready to sand and paint in 45 - 60 minutes.

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01-00369FEATHER FILL 401 QT$41.75
01-00370FEATHER FILL 391 GL$127.95

BONDO BODY FILLER

Used extensively in composite construction to hold jig blocks in place, and for other temporary fastening jobs. Hardens quickly and can be chipped off without damaging the fiberglass.

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01-003653M BONDO 261 PT 1 1/2 LB$5.75
01-00366BONDO #262 QT$7.95

SMOOTH PRIME

The pinhole killer! Waterborne polyurethane primer plus UV blocker applied with a foam roller or spray gun. Fills pinholes in layups or molded parts. White color. Crosslinked for maximum performance. ...

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09-28280SMOOTH PRIME QUART$58.20
09-28290SMOOTH PRIME GALLON$176.00

AERODYNAMIC DENT FILLER

An easy-to-use two-tube system of aluminum filled resin and curing agent. Aluminum dent filler may be used wherever shallow dents occur. Gel time is 10-15 minutes at 70°F. Repair cures to 80%...

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80000-328

DYNALITE FILLER

A formulation of polyester resin, talcs and Microspheres used as a lightweight filler on metal and fiberglass.

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01-00368DYNALITE FILLER 494 GALLON$20.75
01-01072DYNALITE FILLER 492 QUART$10.50

RUST DEFENDER

Rust Defender is a one step finishing material from bare metal, body filler plastic, wood, aluminum, or fiberglass to a surface ready to accept any type of paint without concern about penetra...

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01-00558RUST DEFENDER QUART$73.65
01-00559RUST DEFENDER GALLON$162.95

EVERCOAT LITE WEIGHT FILLER

Lite Weight autobody filler is a very versatile filler which is excellent for holding jig blocks in place during composite construction. Lite Weight applies evenly and allows sanding within minu...

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392-QTEVERCOAT FILLER #157$23.50
392-1GEVERCOAT FILLER #156 GALLON$33.75

2020-T SMC HARD-SET FILLER

SMC Hard-Set Filler is a two-part epoxy system that is very rigid when fully cured. It works on ABS, SMC, fiberglass, polycarbonate and on any other repair application that requires a rigid, high impa...

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01-00534SMC HARDSET FILLER$20.75

FIX-IT REPAIR COMPOUNDS

Fix-it is a universal repair compound. It is excellent for rebuilding or fabricating parts and as an all purpose adhesive for wood, metals, ceramic, glass, and many plastics. Fix-it can be ta...

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01-14770FIXIT 1/4 LB KIT WHITE$10.95
01-14775FIXIT 1 LB KIT WHITE$21.70
01-14790FIXIT METAL 1/4 LB KIT SILVER$10.95
01-14795FIXIT METAL 1 LB KIT$21.70

EVERCOAT LITE WEIGHT NON-CLOG LIGHTWEIGHT FILLER

Evercoat Lite Weight Non-Clog Lightweight Filler #156

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01-00244EVERCOAT FILLER #156 GALLON$33.75
01-00243EVERCOAT FILLER #157$23.50

3M LIGHTWEIGHT BODY FILLER

Cures tack-free in 15-20 minutes — reduces sandpaper loading. Creamy texture. Smooth spreading. Easy smoothing. Vacuum processed to minimize pinholes.

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09-014283M LIGHTWEIGHT BODY FILLER QT$10.25
09-014293M LIGHTWEIGHT BODY FILLER GAL$19.50

PUTTY FLEX FILLER

Urethane Supply Company's 1047 Putty Flex is a premium polyester finishing glaze that provides superior adhesion with excellent flexibility on plastics.

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01-00961 PUTTY FLEX FINISHING GLAZE$23.75

STEWART SYSTEMS EKOFILL (GREY)

Part of the Stewart Aircraft Covering System, Stewart Systems EkoFill seals the fabric, provides UV protection, fills the weave and acts as a primer for application of EkoPoly.

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09-06700EKO FILL QT$49.65
09-06800EKO FILL GAL$163.95

MARSON PLATINUM BODY FILLERS

3M premium fillers with adhesion promoters, offer the very best in all-around performance. Our premium fillers adhere to virtually any surface including wood, metal, aluminum, galvanized steel, fiberglass and concrete.

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01-01090MARSON PLATINUM BODY FLR QUART$15.85
01-01091MARSON PLATINUM BODY FLR GAL$36.75

3M FLOWABLE FINISHING PUTTY

Tack-Free and Stain Resistant. Two component, self-leveling putty designed for use as a “skin” coat over plastic filler to fill pinholes, sand scratch...

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09-014323M FLOWABLE FINISH PUTTY 24 OZ$31.75

3M SHORT STRAND FIBERGLASS

Contains chopped fiberglass. Repairs holes, cracks and tears in fiberglass. Repairs holes in metal. Smooth spreading. Waterproof. Can be used with Fib...

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09-014313M SHRT STRND FBRGLS RE FILLER$44.95

FIXIT UNIVERSAL REPAIR COMPOUND

A universal repair compound. It is excellent for rebuilding or fabricating parts and as an all purpose adhesive for wood, metals, ceramic, glass, and many plastics

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01-14790FIXIT METAL 1/4 LB KIT SILVER$10.95

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