Indicator Papers without color scale

1): Item：1101 Name：Phenol red paper
PH Range 6.8-8.4
Packing: 5 meter/roll

2): Item：1102 Name：Congo red paper
PH Range :3.0-5.0
Packing: 5 meter/roll

3): Item：1103 Name：Litmus paper blue
PH Range :5.0-8.0
Packing: 5 meter/roll

4): Item：1104 Name：Litmus paper neutral
PH Range :5.0-8.0
Packing: 5 meter/roll

5): Item：1105 Name：Litmus paper red
PH Range :5.0-8.0
Packing: 5 meter/roll

6): Item：1106 Name：Nitrazine yellow paper
PH Range :6.7-7.0
Packing: 5 meter/roll

7):Item：1107 Name：Phenolphthalein paper
PH Range :8.3-10.0
Packing: 5 meter/roll