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Simplified Bumper Repair

Simple As A, B, C...

A   Always Clean Thoroughly!!!!
Soap and Water
Crest Super-Solv Wax & Grease Remover

B

Bevel the Repair Area, then
Pin
Scuff
Wipe or Blow-off area
Flame Treat
(Propane/Butane O.K. NO Acetylene)
C Choose the Correct Crest Repair Product
Crest has a complete family of plastic repair products to meet the collision industry's changing demands.


STRUCTURAL BASE
FORMULA 21 Urethane Dual Cartridge
Repair Material

CF-PR
 
Universal Plastic Repair

COSMETIC LAYER
Two-Part Epoxies in Squeeze Tubes

TP-E

Two-Part Epoxy / Semi-Rigid
TE-R Rigid Red

PREP & TOPCOAT PRODUCTS
BC-S Car Wash Soap
AS-X/ BS-X Super Solv
AF-S Flex Stik Adhesion Promoter
AP-F Prima Flex Hi-Solids Primer
AF 1-18 Flexible Bumper Coat
BH-L Ultra Flex, Flex Additive


SIMPLIFIED BUMPER REPAIR

As illustrated in Crest's updated video,
Simplified Bumper Repair, Stock No. WV-2.

diagram.gif (60029 bytes)   1.   Decide (Replace / Repair, 1 or 2 sided repair)

2.

Follow Safety Precautions

3.

Clean thoroughly with BC-S Car Wash Soap, AS-X / BS-X Super Solv.

4.

Restore Shape with Heat Gun, Cool

5.

Enlarge Area

6.

Bevel / Soften Edges on both sides

7.

Drill 1/8" Dia. Pinning Holes 3/8" Apart

8.

Scuff Both Sides

9.

Wipe or Blow-off area

10.
 
Flame Treat Front and Rear.

11.

Install 2" Paper Tape (RPT) On Rear Of Repair.

12.

Balance Two-Part Formula 21 Urethane Universal Plastic Repair (CF-PR) Cartridge With Mixer Nozzle Installed.

13.

Fill Area Between Tape And Pinning Holes With Formula 21 Universal Plastic Repair Material.

14.

Fill Repair Area With Formula 21 to Just Beyond Pinning Holes.

15.

Scuff or Sand Top Surface of Formula 21.

16.

Use Crest Epoxies (TP-E, TE-R) in Squeeze Tubes for Final Cosmetic Repair.

17.

Sand to Contour, Wipe or Blow-off area

18.

Flame Treat.

19.

Apply and Sand Prima Flex (AP-F Lt. Gray or AP-FB Black) High Solids Primer.

20.

Apply BTX - Flex Tex Texture Material if Required.

21.

Top Coat Using Ultra-Flex (BH-L) Flex Additive or One of Crest's Flexible Bumper Coats (AF 1-18)


"TIPS" FOR A SUCCESSFUL BUMPER REPAIR

1.    CLEANING is not Important... IT IS CRITICAL TO YOUR SUCCESS!

2.

Make edges "soft" (rounded), not sharp.

3.

"Balance" Two-Part Cartridges With Mixer Nozzle Installed.

4.

Use Pinning for Increased Durability.

5.

Use Flaming or Crest's Flex-Stik Adhesion Promoter (AF-S) to Assure Adhesion of Repair Materials.

6.

Store High Solids Primer Cans Horizontally.


The Crest Pinning Process and Crest Flaming Process
were developed for automotive repair applications by Crest.
COPYRIGHT
10/95 CREST INDUSTRIES, INC.