TF-1

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MF-1

Also

MF-1 | MJ-4001 | HYM-M08 | PQ0503

TF-1 made by Tangfeng with a P1A1 refillable filter

Preceded by	Succeeded by
Type 66	MF-1A MF-1B

Filter

Chinese industrial filters

Filter connection
40mm GOST

Made in

China

Period

1960s-in use

Issued to

中国人民武装警察部队(The Chinese People’s Armed Police Force)

中国人民解放军 (Chinese people's Liberation Army)

Industry

'Renfang' Civil Air Defense

Manufacturer

MF-1/TF-1:

Tangshan Puda Protective Products Factory (Tangshan Puda/Puda) | Shandong Ningyang Hongyuan Protective Products Co., Ltd| Tangfeng Industrial Protective Products Co., Ltd. (Tangfeng) | Shandong China Industry Protection Technology Co., Ltd. (Yihu) | Tangshan Chemical Factory Co., Ltd. (Tangren) | Rongzhituo (Shandong) Safety Technology Co., Ltd. (Rotosafety) | Shuangqiu company

.

MF-1A:

Banggu Protective company

.

MF-1B:

Tangshan Puda Protective Products Factory (Puda) |Tangshan Chemical Factory Co., Ltd. (Tangren)

.

Speculated that there might be more manufacturers that currently make and previously made these masks.
Names of manufacturers may be vary due to limitations of translation works' capabilities.

The MF-1 (generally known as TF-1) is a Chinese industrial gas mask. It is also known as MJ-4001 by Tangshan Puda, HYM-M08 by Shandong Ningyang Hongyuan Protective Products Co., Ltd., and PQ0503 under the brand Rotosafety by Rongzhituo (Shandong) Safety Technology Co., Ltd. (CN: 荣之拓（山东）安全科技有限公司).

It is originally dessigned for civilian and industrial use, but then its usage expanded to other sectors as well including but not limited to 'Renfang' Civil Air Defense (not to be confused with 'Minfang' Civil Defense), the Chinese People's Armed Police Force, and the Chinese People's Liberation Army.

Mask overview

The TF-1/MF-1 is very similar to the Soviet ShM-41m, being different only in the inhale-exhale piece being made of plastic which was changed over time. First it was white, almost transparent, and later changed to gray. The eye pieces were made larger to allow better visibility. All TF-1 have been using the 40mm GOST thread since its existence (there is a rumour of the MF-1 having a "normalised thread", but said claim is false). There is a plethora of companies that make this mask. As recently as 2024, TF-1 masks would start to adhere to the GB2890-2022 standard, replacing the previous standard, GB2890-2009.

Size availability

Size availabilty varies in accordance to the manufacturer of the mask. The most common size is size 4. The sizing system is similar to Soviet system plus 1. Eg: size 4 TF-1 is similar to size 3 GP-5.

For Yihu brand TF-1 masks made by Shandong China Industry Protection Technology Co., Ltd., they are only available in size 3 and 4. Below is an excerpt from the TF-1 manual made by Yihu:

Measure the circumference from the top of the head along the cheeks to the lower jaw, and then measure the length along the upper jaw through the eyebrow edge to the saddle point of the ears. Add up the lengths measured twice , and determine the mask number according to the result of the sum as shown as below:

Measurement around 98 to 100 cm = Size 3

Measurement 100 cm and above = Size 4

Changes in accordance to time

TF-1 masks have gone to constant minor changes over time.

Tangfeng

2016 Tangfeng TF-1

2021 Tangfeng TF-1

As what can be seen here, the observable differences are:

Slight difference of the colour of the facepiece
Slight difference of the colour of the valve assembly
Difference of the colour of the o-ring

Since both were made after 2009, the format of the quality assuarance certificate is pretty much the same.

Other differences between TF-1 masks from different manufacturers

Every manufacturer that makes the TF-1 masks would create them with some differences with each other, such as the colour of the facepiece, the valve assembly design, and more,

NOTE: The TF-1 made by Tangfeng in these comparisons was made in 2021. These masks adhere to the GB2890-2009 standard.

Colour of facepiece and valve assembly

Design of primary exhale valve

Most of TF-1 has the same inner exhale valve design, though it is observed that Yihu brand TF-1 uses a different style of inner exhale valve. As an example seen here, the inner exhale valve of TF-1 made by Tangfeng and Puda are similar and in fact interchangeable to other helmet style gas masks as opposed to the Yihu brand TF-1 made by Shandong China Industry Protection Technology Co., Ltd.

Hood and bag design

Usually, the carry bag for MF-1 masks would be worn on the side, and there is no suplementary hood in any TF-1 set kit. This is different for TF-1 made under the brand Rotosafety, under the name PQ0503.

The bag is worn the waist area, and there is a hood encapsulating the mask, which is radically different compared to a usual TF-1 set kit.

Inhale valve

Most MF-1 and MF-1B would have an inhale valve on each of their 40mm intake port. This is however different for Tangren made MF-1 and MF-1B of which they lack an inlet valve on each of their 40mm intake port. This gallery shows the diffrence between a Puda MF-1B and a Tangren MF-1B. The diffrence between the two are the lack of inhale valve for the latter, and of course the design of their packaging bag. The rest of the features/characterisitics such as sizing and mold marking is mostly the same. Also shown is a Tangren MF-1.

Other variants of the mask

MF-1A

MF-1A is a TF-1 that has triangular lenses. The example here was made by Banggu Protective company, the same company that makes the older version of the MF-14.

MF-1B

The MF-1B is a black version of the TF-1. The example here was made by Tangshan Puda Protective Products Factory. It is more resistant to UV light compared to MF-1 and MF-1B.