Description
DESCRIPTIONGum Rosin, also called colophony or Greek pitch, is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpenecomponents. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperatures. It chiefly consists of different resin acids, especially abietic acid.
| Grade | X | WW | WG | N | M | K |
| Appearance | Transparent Solid |
| Color | slightly
yellow | pale
yellow | yellow | deep
yellow | yellow
brown | yellow
red |
| Correspond to the Standard Glass Color Piece of Rosin |
Softening Point
(R&B),°C, min | 76 | 75 | 74 |
Acid Value,
(mgKOH/g), min | 166 | 165 | 164 |
Alcohol insoluble
Substance ,(%) , max | 0.03 | 0.03 | 0.04 |
Unsaponifiable
matter, (%) ,max | 5 | 5 | 6 |
| Ash, (%) ,max | 0.02 | 0.03 | 0.04 |
FAQQ1: How to start orders or make payments?
A:You can send our your Purchase order(if your company has), or just send a simple confirmation by email or by Trade Manager, and we will send you Proforma Invoice with our bank details for your confirmation, then you can make payment accordingly.
Q2: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q3: What's your MOQ?
A:For the high value product, our MOQ starts from 1g and generally starts from 10gs. For other low price product, our MOQ starts from 100g and 1kg.
Q4:Is there a discount?
A: Yes, for larger quantity, we always support with better price.
Q5:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero.
Complaint
