P.T. KISARAN RAYA RUBBER INDUSTRY is a well established company since 1984; specializing in the production of (Standard Indonesian Rubber) SIR-5, SIR-10, SIR-20, SIR-10VK AND SIR-20VK.
SIR TECHNICAL SPECIFICATION
Standard Limit SIR-5 SIR-10 SIR-20 SIR-10VK SIR-20VK DIRT 0.05 Max 0.10 Max 0.20 Max 0.10 Max 0.20 Max ASH 0.50 Max 0.75 Max 1.00 Max 0.75 Max 1.00 Max V.M. 0.80 Max 0.80 Max 0.80 Max 0.80 Max 0.80 Max PRI 60 Min 50 Min 40 Min 50 Min 40 Min Nitrogen
(Less than 0.60%)0.60 Max 0.60 Max 0.60 Max 0.60 Max 0.60 Max Mooney Viscosity - - - 55 - 65 55 -65
We have a present production of 2000 tons per month with most of our products being
exported to USA, China, Japan and Europe. With our years of experience in crumb rubber
production, we're able to produce high quality crumb rubber.We are currently in the process of factory expansion and
upgrading our production lines with new technologies to
ensure higher productivity and better quality product.
P.T. TJAKRAWALA is our sister company. Our production lines officially open in the
year 1991.
P.T. Tjakrawala produce both High/Low Ammonia
Centrifuged Latex with 60% DRC (Dry Rubber
Content). We currently produce 1000 tons per month of
High/Low Ammonia Centrifuged Latex with 60% DRC
and also export 600 tons per month of RSS-1
(Ribbed Smoked Sheets). Most of our products are
exported to USA, China, Russia, Japan, Europe , etc.
Belawan Quality Control Requirements
High Ammonia Low Ammonia Total solids, min. % 61.5 61.5 Dry rubber content (DRC), min % 60.0 60.0 Total solids content minus DRC, max % 2.0 2.0 Total alkalinity (calculated as ammonia,
expressed as a percentage of water
in latex), max %1.6 min. 1.0 max Sludge content, max % of wet mass 0.10 0.10 Coagulum content, max % of wet mass 0.050 0.050 KOH number, max 0.80 0.80 Mechanical stability, min s. 650 650 Copper content, max % of total solids 0.0008 0.0008 Manganese content, max % of total solids 0.0008 0.0008 Color on visual inspection NO PRONOUNCED BLUE OR GREY Odor after neutralization with boric acid NO PUTREFACTIVE ODOR
No materials may be download or copied without prior permissions.
All materials on this page © P.T. Kisaran Raya 1997- 1998.