Rick's Free Auto Repair Advice

Saturn Bumper Material and Bumper Repair

Saturn Bumper Material and Bumper Repair

Polyurethane (PUR), Reaction Injection Molding (RIM), Reinforced reaction injection molding (RRIM), Thermoset polyurethane — Most common on domestic vehicles. Yellow or grey in color. Bubbles and smokes when you attempt to melt. Thermo-set PUR sands powdery and can be smoothed with a grinder as long as you don’t use high pressure or high speed that causes the plastic to liquefy.

PUR and most thermo-set plastics are repaired by heat fusing and grinding a “V” groove and filling with urethane filler material and structural support (stainless steel screen) to the backside of the cracked material.

Thermoplastic Olefin (TPO), Thermo-Elastic Olefin (TEO)— TPO and TEO are a combination of polypropylene, an elastomer or rubber, and a mineral filler such as calcium carbonate or talc.

TPO bumper material sands in chunks melts like butter with high-speed grinders, feels like wax and gets stringy when hot, so keep this in mind when trying sand or grind a TPO bumper cover.

TPO bumper covers are the most difficult to repair because they contain 3% to 5% wax-based mold release within the material. The embedded wax makes it difficult for filler, adhesive, primer and paint to stick. Body shops prefer to discard a TPO bumper because the repair is so difficult

However, TPO IS repairable as long as you know how to prepare it. You must use a cleaner and adhesion promoter prior to adding any filler material.

Thermoplastic Poly Propylene— PP is semi-flexible, melts & smears when grinding, waxy or greasy feel. Repaired by heat fusing and grinding a “V” groove and filling with polypropylene filler material and structural support (stainless steel screen) to the backside of the cracked material.

Astra (2008-2009) Front Bumper PP (Polypropylene)
Astra 2 Door (2008-2009) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Aura Dual Exh (2007-2009) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Aura Single Exh (2007-2009) Rear Bumper PP (Polypropylene)
Ion 4dr sedan (2005-2007) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Ion Coupe; w/o Redline (2003-2007) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Ion 4dr sedan; lower (2003-2004) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Ion 2dr coupe; w/o Redlane (2004-2006) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Ion 2dr coupe (2003-2005) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Ion 4dr sedan; except Special Edition (2003-2007) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
L100 Sedan (2001-2002) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
L200 (2003-2005) Front Bumper TPO or TEO (Thermo Plastic Olefin)
L200 (2003) Front Bumper TPO or TEO (Thermo Plastic Olefin)
L200 4dr sedan (2003) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
L200 Sedan (2001-2002) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
L300 Sedan (2004-2005) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
LS (2000-2002) Front Bumper TPO or TEO (Thermo Plastic Olefin)
LS (2000) Front Bumper TPO or TEO (Thermo Plastic Olefin)
LS 4dr sedan (2000) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
LW1 4dr wagon (2000) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
LW200 Wagon (2001-2003) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
LW300 Wagon (2001-2003) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Outlook upper (2007-2010) Front Bumper PP (Polypropylene)
Outlook lower; w/dual exhaust (2007-2010) Rear Bumper PP (Polypropylene)
Outlook upper; W/ PARKING SENSOR (2007-2010) Rear Bumper PP (Polypropylene)
Relay w/121″ wheelbase; U.S. market; upper (2005-2007) Front Bumper PP (Polypropylene)
Relay w/121″ wheelbase; U.S. market; lower (2005-2007) Front Bumper PP (Polypropylene)
Sc upper (1991-1992) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Sc lower (1991-1992) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Sc (1991-1992) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SC1 (2001-2002) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SC1 (1997-2000) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SC1 SC1; lower (1995-1996) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SC1 SC1; upper (1993-1996) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SC1 (2001-2002) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SC1 to VIN VZ397833 (1997) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SC1 from VIN VZ397834 (1997-2000) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SC1 (1993-1996) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SC2 (2001-2002) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SC2 (1997-2000) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SC2 SC2 (1995-1996) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SC2 SC2; lower (1993-1994) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SC2 SC2; upper (1993-1994) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SC2 (2001-2002) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SC2 to VIN VZ397833 (1997) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SC2 from VIN VZ397834 (1997-2000) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SC2 (1993-1996) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Sky (2007-2010) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Sky (2007-2009) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Sl (2001-2002) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Sl black (2000) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Sl (2000) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Sl textured (1996-1999) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Sl 4dr sedan; upper (1991-1995) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Sl Sedan; lower (1991-1995) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Sl Sedan (1996-1999) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Sl Sedan (1991-1995) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SL1 black (2000) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL1 (2000) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL1 (2000-2002) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL1 textured (1996-1999) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL1 Sedan; lower (1991-1995) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL1 4dr sedan; upper (1991-1995) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL1 Sedan (1996-1999) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SL1 Sedan (1991-1995) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SL2 (2000-2002) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL2 (2000) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL2 (1996-1999) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL2 Sedan; lower (1993-1995) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL2 4dr sedan; upper (1991-1995) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SL2 Sedan; smooth finish (1996-1999) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SL2 Sedan (1993-1995) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SW1 textured (1996-1999) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SW1 Wagon; lower; textured (1993-1995) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SW1 Wagon (1993-1995) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
SW2 (2000) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SW2 (1996-1999) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SW2 Wagon; lower (1993-1995) Front Bumper TPO or TEO (Thermo Plastic Olefin)
SW2 Wagon; smooth finish (1996-1999) Rear Bumper PUR or RIM (Urethane)
SW2 Wagon (1993-1995) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Vue HYBRID (2008-2009) Front Bumper PP (Polypropylene)
Vue XR (2008-2010) Front Bumper PP (Polypropylene)
Vue w/Red Line (2004-2005) Front Bumper PP (Polypropylene)
Vue w/o Red Line (2002-2005) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Vue XE; Upper (2008-2010) Front Bumper PP (Polypropylene)
Vue w/o red line (2006-2007) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Vue w/red line (2006-2007) Front Bumper TPO or TEO (Thermo Plastic Olefin)
Vue XR (2008-2010) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Vue HYBRID; 2.4L (2008-2009) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Vue RED LINE (2008-2009) Rear Bumper TPO or TEO (Thermo Plastic Olefin)
Vue (2002-2005) Rear Bumper TPO or TEO (Thermo Plastic Olefin)

Posted on by Rick Muscoplat



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