FILLING AND FAIRING COMPOUNDS | Polyester

Polyester Fillers
Product Brand Description Color Tg / HDT (°F) Pot Life (min) Shore Hardness Applications
APF 4

High quality, quick-setting filler designed for industrial applications

White, gray

285

6

89D

Filling composites surface porosity, honeycomb panel edge filler, vacuum mold repair and modifications, FRP composite repairs, pattern repairs and fillets, crack, dent and crevice repair

APF 6

Styrene-free filler for production mold repairs

Orange

400

16

89D

Repairing FRP molds, pattern repairs, high temperature repair of vacuum molds, and plastic mold repairs

APF 7

High heat-resistant, styrene-free polyester fill and fair repair paste.

Black, gray, white

400

6

89D

Aircraft, aerospace, and industries performing manufacturing and repair work requiring high temperatures, chemical and water resistance, suitable for underwater applications.

APF 77/1 R

Flame retardant FAR 25.853 polyester filler and fairing paste

Off-white

212

11

80D

Repair and bond for honeycomb panels and other substrates, finishing surfaces on composite panels for aircraft and other transportation vehicles.

APG 1750 S
Sprayable, high heat/impact-resistant, styrene-free polyester gel coat, epoxy bondable

Orange

400

22

87D

Molds and mold repairs for FRP and epoxy molds and tools

Micro-Ultra 15-3
Flame-retardant polyester filler/fairing paste that meets FAR 25.853a aircraft
interior no-burn requirements.

White

128

6

76D

Qualified to several OEM specifications. Please reference OEM qualified product listings.

P-11, Type I
Flexible polyester bond and fill paste for FRP, concrete, and wood repair/bond applications.

Light brown

130

10-20

75D

Combined features of bonding and filling for fiberglass-to-fiberglass, SMC-to-SMC and other thermosets which require non-sag, thixotropic system with high physical properties that withstands impacts,

P-11, Type II
Fiber-filled polyester bond and fill paste for increased strength for repairs of broken FRP structures.

Green/white

130

5 or 9

83D

Rebuilding broken or void areas in SMC, RIM and other thermoset composites

P-12

Carvable polyester filler

Pine

130

4-6

60D

Bonds to all types of wood, for forming, shaping and working the cured filler to precise dimensions without dulling or damage to tools for pattern, figure, model and tooling applications.

P-14

A versatile fast-set creamy polyester filler paste for filling/fairing

White/gray

285

5

86D

Filling surface porosity, FRP composite repairs, RIM/SMC/BMC surface filler, bonding inserts/hangers, urethane part repair, potting stripped threads, renewing worn surfaces and many others.

P-15-3 Reducer Resin

Flame-retardant reducer resin for custom thinning of Micro-Ultra 15-3

White

130

6

87D

Meets FAR25.853, primary application is reducing viscosity on Micro-Ultra 15-3 without affecting physical properties including fire retardancy. Also can be used as a fire retardant laminating resin.

P-17
High heat-resistant polyester filler/fairing paste for surface repairs of
molds and parts.

Black/gray/white

400

6

80D

Aircraft interior panels, FRP panels-filling cloth imprint, edge filling on honeycomb, changes & repairs to vacuum form molds, potting bushings, gel-coat repairs on production molds, SMC mold porosity in molded parts.

P-17 RR

Reducer Resin for custom-thinning of P-17 and P-17 SMCR

Amber

400

11

90D

Custom-thinnning of P-17 and P-17 SMCR when needed per application

P-17 SMCR
High heat-resistant polyester filler/fairing paste for surface repairs of SMC parts and FRP molds.

Black, white

400

9

88D

Aircraft interior panels, FRP panels-filling cloth imprint, gel-coat repairs on production molds, SMC mold porosity in molded parts, repair of damaged SMC parts

P-26

Light weight filler for metals

Beige

130

5

60D

Foundry applications for filling and smoothing porosity, grinding marks, mold marks and surface defects, and any composite structures which require cosmetic surface filling of pinholes, gouges or voids.

P-34
Polyester model board filler for fast-set repairs and changes to model
board surfaces.

Model plank brown

130

5

60D

Filler/patch for master models, engineering changes, fillets and radius areas and pattern/ fixture and tooling applications

P-51
Fiber-filled polyester bond and fill paste for increased bond strength of
repairs on broken FRP structures.

Gray

130

13

83D

FRP composites to FRP, metal inserts to fiberglass, rebuilding broken areas, marine fabrications, and other applications where a very strong material is required.

P-76
Fiber-filled polyester bond/fill paste for repairs on broken marine FRP structures.

Dark green

130

5

83D

large cracks and abrasions on deck, hull, keel transom, etc., requiring increased impact strength and durability and is water resistant allowing for above or below the waterline applications

P-77
Easy sanding, heat-resistant, fast-set polyester filler/fairing paste for marine FRP composites.

White

400

10

86 D

Gel coat and blister repair, repair of damaged fiberglass parts, filling cloth imprint on FRP panels
P-78
Long work life, easy sanding, heat-resistant, fast-set polyester filler/fairing paste for large marine FRP surfaces.

White

400

45

75 D

Gel coat and blister repair, repair of damaged fiberglass parts, filling cloth imprint on FRP panels
PFR-405

Fire-retardant (FAR 25.853a), styrene-free, high-temperature resistant, lightweight, RoH's & REACH compliant, low VOC, minimal shrinkage, oustanding bonding / filling qualities, quick setting, excellent shelf life.

Light pale yellow

400 (Service Temp)

6

73D

Filling porosity, surface blemishes, and cloth impression on prepreg, wet layup or infused composites; repairing broken or cracked areas; refinishing interior or exterior parts; edge fill and panel close out.