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Shanghai Fangzhan Fire Technology Co.,Ltd

Tel: +86-021-68150888

Fax: +86-021-68151883

Mobile: +86-13918202119

Email: fangzhan06@vip.163.com

Add: NO.41 Building 41 Lane 83, Hongxiang North RD, Wanxiang Town, Pudong New Area, Shanghai China

Full Face Mask

Spherical wide field of more than 98%, the use of flame-retardant silicone rubber material, softand comfortable high temperature, the outer surface of the lens using the most advanced technology hardening treatment Processing technique, the unique dual anti-fog function, prolonged use without fog.

Products Specifications:

Spherical wide field of more than 98%, the use of flame-retardant silicone rubber material, softand comfortable high temperature, the outer surface of the lens using the most advanced technology hardening treatment Processing technique, the unique dual anti-fog function, prolonged use without fog.


Test results summary

NO.

TESTIG
ITEM

STANDARD TERMS

TECHNICAL REQUIREMENT

TESTING RESULT

INDIVIDUAL JUDGMENT

1

General requirements of full-face mask

5.1.1

Mask edge should be smooth, no obvious edges and burrs, no defect impacting the air tightness

smooth, no obvious edges and burrs, no defect impacting the air tightness

pass

Mask should be closely fitted with the face, no obvious tenderness, the fixed system of the mask should be able to adjust according to the needs of the wearer

closely fitted with the face, no obvious tenderness, the fixed system of the mask can adjust

Replaceable parts of the mask should be easy to replace

easy to replace

Mask visor should be true, it should have measures to prevent the lens fog

visor true and has the measures to prevent the lens fog

Mask material should be nontoxic, non-irritating, health-friendly, and be able to withstand the manufacturer recommended cleaning or disinfection

nontoxic, non-irritating, health-friendly, and can withstand the manufacturer recommended cleaning or disinfection

The surface of the metal material on the mask shall be subjected to corrosion protection

have dealt with anti-corrosion treatment

2

Mask high and low temperature adaptability

5.1.2

The mask should be no significant deformation After the pretreatment, the threaded connection should be able to connect with the filter well

mask should be no significant deformation and be able to connect with the filter well

pass

3

Mask flammability (s)

5.1.3

Continued burning time should not exceed 5 seconds

0

pass

4

Exhalation valve of the mask

5.1.4.1

The exhalation valve should have an exhalation valve cover to protect it from damage, and the exhalation valve should have good action

have an exhalation valve cover and good action

pass

5

Mask Exhalation valve airtight

5.1.4.2

Exhalation valve decompression to -1180Pa,, the negative pressure of the full-face mask exhalation valve drop ≤ 500Pa in 45 seconds

Before processing

308Pa

pass

After processing

355Pa

Exhalation valve decompression to -1180Pa,, the negative pressure of the half-mask exhalation valve drop ≤ 500Pa in 45 seconds

Before processing

/

After processing

/

Relative humidity: <75%

Relative humidity: 62%

6

Mask leakage rate
(%)

5.1.5

Full-face Mask leakage rate≤0.05

Before processing

0.005

pass

After processing

0.005

Half Mask leakage rate≤2

Before processing

/

After processing

/

7

Mask density difference

5.1.6

≤1

Before processing

0.92

pass

After processing

0.91

8

Mask view

5.1.7

Full-face mask

Big
eyes
window

General vision

≥70%

79.7%

pass

Binocular vision

≥55%

71.8%

Bottom view

≥35°

52°

Both
Eyes window

General vision

≥65%

/

Binocular vision

≥24%

/

Bottom view

≥35°

/

Half mask

Binocular vision

≥65%

/

Bottom view

≥35°

/

9

Suction resistance of the mask (Pa)

5.1.8

Full-face mask≤40

28

pass

Half mask≤20

/

10

Exhalation valve resistance (%)

5.1.8

Full-face mask≤100

65

pass

Half mask≤50

/

11

Mask window

5.1.9

Lens transmittance ≥89

Before processing

91.0%

pass

After processing

90.9%

The lens can’t be broken

Before processing

Not broken

After processing

Not broken

12

Strength of the mask and the filter

5.1.10

The binding force between full-face mask and the filter joint≥250N,has no obvious damage

has no obvious damage

pass

The binding force between half mask and the filter joint≥50N,has no obvious damage

/

For the full-face mask with airway, the airway and the mask of the binding force ≥50N

/

13

Headband strength

5.1.11

The full-face mask should afford 150N of tension for 10 seconds, without breaking

without breaking

pass

The half mask should afford 50N of tension for 10 seconds, without breaking

/


Above for full performance test.





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