Minggu, 17 Januari 2021

GUM COPAL

 

putraperkasa : Gum Copal is a mature form of natural resin obtained from the sap of trees in Indonesia. Its properties of water resistance, solubility in alcohols, ability to give glossy finishing and superior binding abilities makes it an important source of raw materials for the production of varnishes, adhesives, paints, and perfumes.

At our Gum Copal processing unit in Indonesia, we employ strict quality assessment and the qualities we process include, PWS, DBB, WS, and Dust.

 

Gum Copal Grade

1. Grade PWS

2. Grade DBB

   Specifications : 

 

 

Product

 

Gum Copal PWS

 

Gum Copal WS

Physical Specification :





Appearance

Whitish Yellow

Blackish Yellow



translucent nodules

opaque nodules

Nodule Size

0,5 cm up

0,5 cm up

Dust %

5% Max

10% Max







Chemical Specification :





Solubility in 95% (v/v) ethanol

Soluble

Poor solubility

Ash content

1% Max

3% Max

Acid Value mg KOH/gr

80-100

70-100

Loss on drying

1% Max

1% Max

Impurities

1% Max

% Max







 


0 komentar:

Posting Komentar

Catatan: Hanya anggota dari blog ini yang dapat mengirim komentar.