What is ASTM G21?

ASTM G21 is a standard antifungal product test for determining fungal resistance of plastics and polymeric materials. Synthetic polymers are generally resistant to fungi, but the additives (such as colorants, stabilizers, and plasticizers) used in the polymer may not be.

What is ASTM G21 70?

The ASTM G21 is a qualitative test that employs a high concentration of spores, from five different fungal species, to determine the resistance of synthetic polymeric materials to fungal growth.

What is ASTM D3273?

The ASTM D3273 method is meant to evaluate fungal defacement of coated interior surfaces in an accelerated manner. The ASTM D3273 test specifically aims to establish the relative resistance of paint films to the propagation of mold and mildew under optimum fungal growth conditions.

What is ASTM E136?

Standard: ASTM E136 – Standard Test Method for Behavior of Materials in a Vertical Tube Furnace at 750°C. Certification Required: The International Building Code (IBC) and International Residential Code (IRC) prescribes this test for materials that are required to be non-combustible.

What NFPA 259?

The NFPA 259 building materials test is a test method used to determine how building materials respond to heat. More specifically, it measures the amount of heat that an object gives off when exposed to a heat source.

What NFPA 260?

NFPA 260: Standard Methods of Tests and Classification System for Cigarette Ignition Resistance of Components of Upholstered Furniture.

What is E84 fire rating?

The ASTM E-84 is the standard test method for assessing the surface burning characteristics of building products to explore how the material might contribute to flame spread in the event of a fire. The test reports the Flame Spread index and Smoke Developed index of the tested product.

What is ASTM E84 Class A Class 1?

Material classification of fire performance is based on the test results in accordance with the Life Safety Code, NFPA 101 Section 10.2….ASTM E84 Acceptance Criteria.

Class Flame Spread Index Smoke Development Rating
Class 1 or A 0 – 25 450 maximum
Class 2 or B 26 – 75 450 maximum
Class 3 or C 76-200 450 maximum

What does NFPA 260 Class 1 mean?

NFPA 260: Test Method: A sample is placed over a standard foam substrate and exposed to a burning cigarette. Standard to Pass: Class I – Char length less than 1 3/4″