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Bilt Hamber

Surfex-HD

Biodegradable

A high-alkaline, water-based all-purpose cleaner and degreaser formulated with disodium metasilicate for heavy-duty cleaning across automotive, commercial, and domestic applications. Bilt Hamber Surfex-HD has a pH of 13.0, placing it among the most alkaline APCs; higher pH provides stronger degreasing action but may require more care on delicate surfaces. It also contains chelating agents that help it clean effectively in hard water conditions. The formulation is also verified biodegradable based on SDS ecological data.

Key Chemistry

pH Level

13.0

Active Mechanism

alkaline saponification

Surfactants

1 (nonionic)

Expert Analysis

Uses disodium metasilicate as the primary alkaline builder at pH 13 to saponify oils and break down grease-based contamination without volatile organic compounds. The water-based formula allows for dilution ratios from 1:100 for light cleaning up to neat application for extreme-duty degreasing, providing versatility across different soil levels.

Key Differentiators

  • Extremely high pH (13) provides aggressive degreasing power while remaining water-based and VOC-free

Potential Concerns

  • Extreme alkalinity (pH 13) requires careful handling and may damage sensitive surfaces without proper dilution
  • Danger signal word indicates significant safety risks requiring proper PPE and ventilation during use

Ingredients

3 disclosed
(C9-C11)Alkyl alcohol ethoxylate1-10%
CAS: 68439-46-3Surfactant
disodium metasilicate1-3%
CAS: 6834-92-0Alkaline agent
tetrasodium (1-hydroxyethylidene)bisphosphonate1-3%
CAS: 3794-83-0Chelating agent

Source: sds only

Safety Profile

Signal Word
Danger
Eye Hazard
Causes serious eye damage
Skin Hazard
Causes skin irritation
Corrosive to Metals
No
Flammable
No

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