Bulwell, Nottingham Mon–Fri 9–5:30, Sat 9–1 Next-day delivery order by 1pm

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Next-day UK delivery on car parts, tools & accessories — order by 1pm Mon–Fri, £3. Next-day UK delivery — order by 1pm. Order in the next 12h 10m and it’s with you tomorrow. Or Click & Collect free from Bulwell.

ISOPON BPO Hardener 20g Body Filler Catalyst Auto Repair H3840/S

£3.89 inc. VAT

1 in stock

Next-day delivery Order in the next 12h 10m and it’s with you tomorrow.

  • Acts as a catalyst for polyester body fillers
  • Ensures rapid and complete curing
  • Contributes to strong, durable repairs
  • Essential for professional automotive bodywork
Next-day UK delivery £3 (order by 1pm Mon–Fri), or free click & collect from our Bulwell shop — 2–4 Carey Road, NG6 8AT. Choose collection at checkout, then pick it up any time in opening hours (Mon–Fri 9–5:30, Sat 9–1) — just quote your order number.
SKU: UPO-H3840/S Category: Brand:

Description

Genuine ISOPON · Part no. H3840/S

The ISOPON BPO (Benzoyl Peroxide) Hardener is a crucial component used to initiate the curing process of polyester body fillers. Designed for automotive repair and various surface preparation tasks, this catalyst ensures fillers dry quickly and harden properly, creating a strong, durable, and sandable surface for subsequent painting or finishing.

Key features

  • Acts as a catalyst for polyester body fillers
  • Ensures rapid and complete curing
  • Contributes to strong, durable repairs
  • Essential for professional automotive bodywork
  • Convenient 20g size for precise mixing
  • Easy to incorporate into filler compounds

Specification

Brand ISOPON
Part number H3840/S
Condition Brand New

Fitment & use

Suitable for use with polyester body fillers and stoppers.

Ideal for

Automotive body repair, dent filling, surface preparation, panel restoration.

Also known as

Body Filler Hardener, Catalyst, Resin Hardener, Benzoyl Peroxide Paste

Genuine ISOPON product.
Brand new and supplied ready to fit.

Additional information

Weight 0.028 kg
£3.89 inc. VATinc. VAT