Black Yellow N Grade Ww Grade Gum Rosin (C19H29COOH)

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Hubei

  • Validity to:

    Long-term effective

  • Last update:

    2017-12-02 22:46

  • Browse the number:

    134

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Company Profile

Hongkong Baijin International Trading Co., Ltd.

By certification [File Integrity]

Contact:Mr. Wang(Mr.)  

Email:

Telephone:

Area:Hubei

Address:Hubei

Website: http://hkbaijin.jssytm.com/

Product details
Specifications
Gum Rosin is made of natural resin, its general formula is C20H30O2
CAS No. 8050-09-7
It is a kind of natural resin, that composed of various kinds resin acids, and having special physical and chemical properties. 
 
Main Applications
It is an important raw material for the manufacture of adhesive, coating, inks, rubber, soaps, paper etc.
 
Technical Data Sheet
 
Parameter Grade
Standard: GB8145-87 X WW WG
APPEARANCE Transparent Transparent Transparent
COLOR Light Yellow Pale Yellow Yellow
SOFTENING POINT(R&B)°C 77.0 76.0 75.0
ACID NUMBER(mg KOH / g)≥ 166.0 166.0 164.0
UNSAPONIFIABLE MATTER % ≤ 5.0 5.0 5.0
ETHANOL INSOLUBLES % ≤ 0.030 0.030 0.030
ASH CONTENT % ≤ 0.020 0.020 0.020
 





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