


The plain particleboards are produced as per IS : 3087 – 1985 while laminated particleboards are produced as per IS : 12823 – 1990;
The plain interior grade (PPI) is technically referred to as FPT – II as per IS : 3087 and plain exterior grade (PPX) is technically referred to as FPT – I, also as per IS : 3087.
The prelaminated particleboards (PLB) conforming to IS : 12823 – 1990 are available in the following type:
The melamine-faced pre-laminated particleboards as per IS : 12823 – 1990 and amendment No. 2 of June 1994 are available in two grades. Grade – I and Grade – II. Each grades are further classified into four types based on the abrasion resistance as follows:
|
ID
|
Grade
|
Type
|
Designation |
Abrasion (No of revolutions)
|
|
1
|
Grade - I
|
Type - I
|
PLB - 11
|
1,000 revolution
|
|
|
|
Type - II
|
PLB - 12
|
450 revolution
|
|
|
|
Type - III
|
PLB - 13
|
250 revolution
|
|
|
|
Type - IV
|
PLB - 14
|
75 revolution
|
|
|
|
|
|
|
|
2
|
Grade - II
|
Type - I
|
PLB - 21
|
1,000 revolution
|
|
|
|
Type - II
|
PLB - 22
|
450 revolution
|
|
|
|
Type - III
|
PLB - 23
|
250 revolution
|
|
|
|
Type - IV
|
PLB - 24
|
75 revolution
|
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