Bondo® Liquid Hardener, 00912SRP, 0.37 oz, 6 per case

Bondo® Liquid Hardener mixes with Fiberglass Resin and Bondo® Metal Reinforced Filler to create high-quality, long-lasting repairs. When hardener is mixed with product, a chemical reaction occurs to create a mixture that will deliver a strong, lasting repair.
Special Price $2.82 Regular Price $3.31
UPC 00076308009120
3M ID 7100158704
Packaging Each
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Chemically Activate the Hardening Process

Bondo® Liquid Hardener is a hardening agent designed to work with polyester fiberglass resins and Bondo® Metal Reinforced Filler to chemically speed the curing process. The liquid consistency mixes easily and quickly. This hardener combines the best of ease of use and quality final results.

Lasting Repairs that Stand the Test of Time

This hardener is mixed with polyester fiberglass resins to create extremely strong, durable and waterproof repairs. Once mixed, the fiberglass resin will cure in approximately 2 hours. Use this product for interior and exterior automotive and home projects.

Formulated to Strict Purity Standards for Quality Results

Bondo® liquid hardener is formulated and packaged under temperature-controlled conditions to ensure freshness and maximum performance. Mixing the liquid hardener in the Bondo® polyester fiberglass resin, other resins and  Bondo® Metal Reinforced Filler is an easy task that takes little time and effort.

Use During the Fill Stage of the 3M™ Body Repair System

Even a small repair can seem complex at first. So 3M’s Body Repair System simplifies the entire automotive body repair process by dividing it into four stages:

Stage 1 – Prepare.  This stage includes pulling dents, removal of paint and rust and efficient, effective masking of the area.

Stage 2 – Fill. This stage involves patching holes with reinforced filler and smoothing and shaping filler before painting.

Stage 3 – Paint. This stage includes painting the area and blending and smoothing primer and paint.  

Stage 4 – Finish. The final stage for showroom-grade results: removing small defects, sealing and polishing clear coats and other painted surfaces.

3M supplies premium products such as abrasives, tapes, body fillers and tools for every stage. This system helps you work easily, efficiently and successfully across the entire body repair process.


  • MUST BE USED WITH Bondo® Extreme Filler or Bondo® Liquid Resin for Fiberglass, cannot be used by itself
  • MIXES EASILY to produce a consistent chemical reaction for fast curing
  • PACKAGED IN EASY-TO-USE squeeze tube
  • TUBE AVAILABLE in multiple sizes
  • MIXTURE CURES in 20 minutes for Bondo® Extreme Filler, and 2 hours for Bondo® Liquid Resin for Fiberglass
  • INTERIOR OR EXTERIOR use
  • EASY APPLICATION tube design
  • NOT TO BE USED with Bondo® Short Strand Fiberglass Reinforced Filler or Bondo® Long Strand Fiberglass Reinforced Filler
  • FILL STAGE of 3M™ Body Repair System
More Information
3M ID 7100158704
Part number 00913SRP
Keywords 912
Global Product Hierarchy Adhesives, Sealants & Fillers > Fillers > Filler Hardeners
Color Family Transparent
Product Color Transparent
Product Type simple
Quantity 0
Trademark 1 Bondo®
Country of Origin United States
SAP Shelf Life In Days 365
Base - Billing Unit EA
Base - Metric Gross Weight 43.545 G
Base - Metric Height Dimension 16.51 CM
Base - Metric Length Dimension 2.159 CM
Base - Metric Width Dimension 6.985 CM
Base - Item Quantity 1
Base - Unit EA
Consumer - Billing Unit EA
Consumer - Customary Cubic Dimension 15.193752828450538 ci
Consumer - Customary Gross Weight 0.09600029206840495 lbs
Consumer - Customary Net Weight 0.09599808744578309 lbs
Consumer - Customary Height Dimension 6.5 in
Consumer - Customary Length Dimension 0.85 in
Consumer - Customary Width Dimension 2.75 in
Consumer - Metric Cubic Dimension 248.981 CCM
Consumer - Metric Net Weight 43.544 G
Consumer - Metric Height Dimension 16.51 CM
Consumer - Metric Length Dimension 2.159 CM
Consumer - Metric Width Dimension 6.985 CM
Consumer - Item Quantity 1
Consumer - Total Unit Quantity 1
Consumer - Previous Packaging Level Quantity 1
Consumer - Item Unit RLS
Consumer - Unit EA
Shipper - Billing Unit EA
Shipper - Customary Cubic Dimension 183.50486700973403 ci
Shipper - Customary Gross Weight 0.8069999061051225 lbs
Shipper - Customary Net Weight 0.5759885246746985 lbs
Shipper - Customary Height Dimension 7.5 in
Shipper - Customary Length Dimension 7.25 in
Shipper - Customary Width Dimension 3.3748031496062993 in
Shipper - Metric Cubic Dimension 3007.106 CCM
Shipper - Metric Weight 366.049 G
Shipper - Metric Net Weight 261.264 G
Shipper - Metric Height Dimension 19.05 CM
Shipper - Metric Length Dimension 18.415 CM
Shipper - Metric Width Dimension 8.572 CM
Shipper - Item Quantity 6
Shipper - Total Unit Quantity 6
Shipper - Previous Packaging Level Quantity 6
Shipper - Previous Packaging Level Unit PACK
Shipper - Item Unit RLS
Shipper - Unit CS
Pallet - Billing Unit EA
Pallet - Customary Cubic Dimension 85250.170500341 ci
Pallet - Customary Gross Weight 361.999034507569 lbs
Pallet - Customary Net Weight 233.27552886306268 lbs
Pallet - Customary Height Dimension 42.3 in
Pallet - Customary Length Dimension 48.0 in
Pallet - Customary Width Dimension 42.0 in
Pallet - Metric Cubic Dimension 1.397 M3
Pallet - Metric Net Weight 105.812 KG
Pallet - Metric Height Dimension 107.442 CM
Pallet - Metric Length Dimension 121.92 CM
Pallet - Metric Width Dimension 106.68 CM
Pallet - Item Quantity 2430
Pallet - Total Unit Quantity 2430
Pallet - Previous Packaging Level Quantity 405
Pallet - Previous Packaging Level Unit BOX
Pallet - Item Unit RLS
Pallet - Unit PAL
Pallet - Pallet Layer Quantity 5
Pallet - Shipping Container Per Layer Quantity 81
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