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Photoluminescent Safety Products Association (PSPA) Classification

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The PSPA is the Photoluminescent Safety Products Association . Members share the objectives of promoting the use of quality photoluminescent products and materials in safety applications and setting, monitoring and maintaining quality standards.

The PSPA has developed a classification system for photoluminescent products and materials. This classification is used to determine the subsequent application of products in escape route marking systems.

The PSPA Classification of products is based on the time it takes for that product's luminance to reach a low of 0.3 mcd/m2

Classification is as follows:

Class
10 Minutes
60 Minutes
Time to reach
0.3 mcd/m2
Class III
8.5 mcd/m2
0.5 mcd/m2
> 80 minutes
Class II
12.5 mcd/m2
1.2 mcd/m2
> 170 minutes
Class I
17 mcd/m2
1.7 mcd/m2
> 240 minutes
Class A
23 mcd/m2
3 mcd/m2
> 450 minutes

As a result of innovative new pigments being introduced and processed, three further classifications were proposed for materials that are currently available in the market. These materials all exceed Class I performance and are hence considered special cases of this class and are as follows:-

Class
10 Minutes
60 Minutes
Time to reach
0.3 mcd/m2
Class B
50 mcd/m2
7 mcd/m2
> 900 minutes
Class C
140 mcd/m2
20 mcd/m2
> 1800 minutes
Class D
260 mcd/m2
35 mcd/m2
> 2000 minutes

 

Our products are classified according to Grade and is as follows, with reference to the PSPA rating:

  • Low Glow - Class A
  • Mid Glow - Class B
  • High Glow - Class C
  • Super High Glow - Class D

 

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