Series Number

Test Item

Requirement

Test Results

1

Shore Hardness Degree

50±5

55

2

Tensile Strength Mpa

≥7

8

3

Elongation at Break %

≥300

355

4

Permanent Deformation at Break %

≤20

4

5

Air-oven againg70

Tensile Strength Change Rate %

Max-20

0.4

Change Rate of Elongation at Break%

-30~-10

-17

6

Sanitation Properties

Evaporation Residue in Distilled Water mg/L

≤50

11

Potasssium Permanganate Wastage mg/L(Soak Solution)

≤40

2

Zinc(Soak Solution of 4% Acetic Acid)mg/L

≤100

2.5

Heavy Mettals (According to Pb)mg/L

≤1.0

1.0