In ConnexMarket system there are many types of rubber sheets
| Symbol | Name | Details |
|---|---|---|
| USS3 | High Quality Grade Rubber | Clean sheets without air bubbles with thickness of not more than 3mm. and water content of no higher than 3%. The sheets must be dry with clear color uniformity, good elasticity, clear ribbed pattern. Each rectangular sheet weighs between 800 -1200 grams . with size of 38-46 cm. by 80-90 cm. |
| USS4 | 4th grade Unsmoked Rubber Sheets | Clean sheets with few air bubbles with thickness of not more than 4mm. and water content of no higher than 3-5%. The sheets must be dry with some color uniformity, good elasticity, clear ribbed pattern. Each rectangular sheet weighs between 1000 -1500 grams . with size of 38-46 cm. by 80-90 cm. |
| USS5 | 5th grade Unsmoked Rubber Sheets |
Relatively clean sheets with few air bubbles with thickness of not more than 5mm. and water content of no higher than 5-7%. The sheets must have good elasticity and clear ribbed pattern and may have some fungi on them. Each rectangular sheet weighs between 800 -1200 grams . with size of 38-46 cm. by 80-90 cm. |
| USSP2 | Mixed Grades Rubber Sheets | Mixed of 4th and 5th grade rubber sheets |
