---
title: "Halocarbon 25-5S （InfinX MRO 2505）All-purpose PCTFE Grease 3.5LB Pail"
canonical: "https://www.fl-sz.cn/en/products/halocarbon-25-5s-infinx-mro-2505-all-purpose-pctfe-grease-3-5lb-pail"
lang: "en"
type: "product"
publisher: "ShangHai F&L Petrochemical Co.,Ltd."
pricing: "not-published"
brand: "HALOCARBON"
sku: "Halocarbon 25-5S（InfinX MRO 2505）3.5LB"
mpn: "Halocarbon 25-5S（InfinX MRO 2505）"
alternate: "https://www.fl-sz.cn/zh/products/halocarbon-25-5s-infinx-mro-2505-all-purpose-pctfe-grease-3-5lb-pail.md"
---

# Halocarbon 25-5S （InfinX MRO 2505）All-purpose PCTFE Grease 3.5LB Pail

> Source (canonical): https://www.fl-sz.cn/en/products/halocarbon-25-5s-infinx-mro-2505-all-purpose-pctfe-grease-3-5lb-pail
> Published by: ShangHai F&L Petrochemical Co.,Ltd. — specialty lubricant and industrial chemical distributor
> Product data sheet. F&L is a distributor; prices are quoted in writing and are not published on this site.
> Language: English · Also available in Chinese: https://www.fl-sz.cn/zh/products/halocarbon-25-5s-infinx-mro-2505-all-purpose-pctfe-grease-3-5lb-pail.md

| Field | Value |
|---|---|
| Brand | HALOCARBON |
| Part number | Halocarbon 25-5S（InfinX MRO 2505）3.5LB |
| Manufacturer model | Halocarbon 25-5S（InfinX MRO 2505） |
| Product family | Greases |
| Applications | Automotive; Steel & Metallurgy; Chemical Processing |

## Description

InfinX MRO 2505 (formerly Halocarbon 25-5S) is a fumed silica thickened PCTFE high-performance grease, non-flammable & chemically inert, meeting MIL-G-47219A, specially designed for oxygen-rich systems, valves, regulators and aerospace seals。

## Features

-InfinX MRO 2505 is specially formulated for oxygen-rich service. It is non-flammable and chemically inert, and will not react with oxygen, peroxides, fuels, oxidizers, strong acids or flammable solvents. Compatible with both LOX and GOX systems.

-InfinX MRO 2505 (formerly Halocarbon 25-5S) is a fumed silica thickened PCTFE grease featuring low vapor pressure. Its operating temperature ranges from -20℃ to +175℃, delivering long-lasting lubrication under low-pressure and cryogenic conditions.

-InfinX MRO 2505 (formerly Halocarbon 25-5S) complies with military specification MIL-G-47219A. Ideal for oxygen valves, oxygen tank regulators and fittings, widely used in medical oxygen, SCUBA, hyperbaric chambers, oxy-fuel welding and aerospace seal applications.

-InfinX MRO 2505 (formerly Halocarbon 25-5S) is a semi-translucent off-white grease with stable properties, effectively mitigating ignition risks for oxygen service equipment.

## Specifications

| Property | Value |
|---|---|
| Model | 25-5S (MRO 2505） |
| NLGI Grade | 3 |
| Thickener | Silica |
| Base Oil Viscosity @38°C | 350 cSt |
| color | Semi-translucent,Off-white |
| Service Temperature | -20°C ~175°C |

## Pack sizes

| Pack size | Type | MOQ | Availability |
|---|---|---|---|
| 3.5LB | Pail |  | On request |

## Documents

- Halocarbon SILICA THICKENED GREASE (19, 25-5S, 25-5S mil, 25-5SI, 28, 28I, InfinX MRO 2505) _SDS — SDS (safety data sheet — available after sign-in, or on request from an engineer)

## Other items from this brand

- [Halocarbon 0.8 Oil  (InfinX Calibration Fluid 0.8) PCTFE Fluorinated Calibration Liquid 1GAL/Pail](https://www.fl-sz.cn/en/products/halocarbon-0-8-oil-infinx-calibration-fluid-0-8-pctfe-fluorinated-calibration-liquid-1gal-pail)
- [Halocarbon 0.8 Oil(InfinX Calibration Fluid 0.8) Ultra Low Viscosity PCTFE Fluid 6.5KG/Pail](https://www.fl-sz.cn/en/products/halocarbon-halocarbon-0-8-oil-infinx-calibration-fluid-0-8-ultra-low-viscosity-pctfe-fluid-6-5kg-pail)
- [Halocarbon 0.8 Oil (InfinX Calibration Fluid 0.8) PCTFE Fluid 1.8KG/Can](https://www.fl-sz.cn/en/products/halocarbon-halocarbon-0-8-oil-infinx-calibration-fluid-0-8-pctfe-fluid-1-8kg-can)
- [Halocarbon 27S oil (InfinX MRO 27+) Medium Viscosity PCTFE Inert Fluorinated Lubricating Oil  2KG/Bottle](https://www.fl-sz.cn/en/products/halocarbon-halocarbon-27s-oil-infinx-mro-27-medium-viscosity-pctfe-inert-fluorinated-lubricating-oil-2kg-bottle)
- [Halocarbon 25-10M grease（InfinX MRO 2510）PCTFE Industrial grease 500g/Jar](https://www.fl-sz.cn/en/products/halocarbon-25-10m-grease-infinx-mro-2510-pctfe-industrial-grease-500g-jar)
- [Halocarbon 25-5S（InfinX MRO 2505）Wide Temperature Grease 500g/Jar](https://www.fl-sz.cn/en/products/halocarbon-25-5s-infinx-mro-2505-wide-temperature-grease-500g-jar)
- [Halocarbon 25-5S （InfinX MRO 2505）PCTFE Grease Oxygen Chlorine Compatible 0.5oz/tube](https://www.fl-sz.cn/en/products/halocarbon-25-5s-infinx-mro-2505-pctfe-grease-oxygen-chlorine-compatible-0-5oz-tube)
- [Halocarbon 25-5S（InfinX MRO 2505）Silica Thickened Grease 1.4 KG/can](https://www.fl-sz.cn/en/products/halocarbon-25-5s-infinx-mro-2505-silica-thickened-grease-1-4-kg-can)

## Enquiries and technical support

Send the operating conditions — temperature, speed, load, and whether there is food or pharmaceutical contact. An engineer replies with a selection proposal and a written quotation within one business day.

- Enquiry form: https://www.fl-sz.cn/en/contact
- Email: info@fl-sh.com
- Phone: +86-400-879-3341