Prowaxx™ 1421 FR

ExxonMobil specialties , Canada

Product Description

Prowaxx 1421 FR is a mid melt point, fully refined [FR] paraffin wax that is compositionally engineered to work well in numerous industrial applications such as corrugated boxes, paper cup and package coatings, wax blends and emulsions. The melt point facilitates efficient blending with polymer additives while also being high enough to ensure thermal stability of wax-coated surfaces. The melt point is also ideal for votive and pillar candles [internal core]. It is a translucent crystalline material in the solid state and a water white, low viscosity, clear liquid when molten. It is derived from petroleum via a carefully controlled refining process yielding a food grade wax with low to no odor. Prowaxx 1421 FR is primarily comprised of straight chain normal paraffin hydrocarbons, which impart excellent gloss and water repellent properties.


The ExxonMobil fully refined waxes, such as Prowaxx 1421 FR, meet the requirements for the Food and Drug Administration (FDA) standards for indirect food contact substances and contain an oxidation inhibitor to improve stability.


Prowaxx 1421 FR is biodegradable under composting conditions according to ASTM D6400 using ASTM D5338.


ExxonMobil waxes are produced and controlled according to the ExxonMobil Product Quality Management System, EN ISO 9000 or equivalent standard.


Features and Benefits

*User must check compliance with applicable regulations



Advantages and Potential Benefits

Mid and narrow melt point range

Blends easily with polymer additives for corrugated box applications

Thermal stability

Low oil content

Minimal syneresis (oil bleed)

Primarily straight chain normal paraffin hydrocarbons

Outstanding water repellent properties

Excellent gloss

Oxidation resistance

Superior shelf life enables improved product stability

Low to no odor

No cross-odor contamination with shipped goods

Colorless and translucent in solid state

Clear coating enables precise label representation in wax-coated applications

Food grade quality

Can be safely used as a component of nonfood articles in contact with food*



Prowaxx 1421 FR can be used in the following applications subject to applicable laws and regulations in each jurisdiction*:

     •  Corrugated boxes

     •  Paper cup and package coatings

     •  Wax blends and emulsions

     •  Votive and pillar candles

     •  Wax melts

     •  Antiozonant wax for rubber and tires


* User must check compliance with applicable regulations


Regulations and Claims


This product is registered to the requirements of:

International Biodegradable Products Institute, Inc. BPI Compostable Certificate


This product meets or exceeds the requirements of:

FDA 21 CFR 178.3710

ASTM Biodegradable according to ASTM D6400-12 using ASTM D5338-11


Properties and Specifications


Standard Method(a)



ASTM Saybolt D156 Color (ASTM D6045 Acceptable)

ASTM D6045



Oil Content, wt%




Odor, Wax

ASTM D1833



Melting Point, °C (F)




Flash Point, Cleveland Open Cup, °C (F)




Note 1: Products are certified on release to meet the values specified. Actual values may deviate within the established reproducibility of the test method specified.

Note 2: For purpose of determining conformance with specification, observed or calculated values shall be rounded off to the nearest unit in the last significant digit used in expressing the limiting value in accordance to the ASTM E 29 method

(a) In lieu of standard test method, alternate test methods may be used for the certification of a product property.


Health and safety

Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @

All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries unless indicated otherwise.


Imperial Oil
Petroleum and Chemicals Division
Lubricants and Specialties
240 Fourth Ave SW
C. P. 2480, Station M
Calgary AB T2P 3 M 9


The information contained herein is subject to change without notice. Every care has been taken in the preparation of this information. To the extent permitted by applicable law, all warranties and/or representations, express or implied, as to the accuracy of the information are disclaimed, and no liability is accepted for the accuracy or completeness of the same. All products may not be available locally. For more information, contact your local Imperial Oil contact or visit .

ExxonMobil is comprised of numerous affiliates and subsidiaries, many with names that include Esso, Mobil, or ExxonMobil. Nothing in this document is intended to override or supersede the corporate separateness of local entities. Responsibility for local action and accountability remains with the local ExxonMobil-affiliate entities.