Silica Sand LOI [PDF]

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Windex Enterprises Limited Room 1202 12/F Star House, Canton Road, Tsim Sha Tsui, Kowloon, Hong Kong Tel : 27300443 Fax : 27367019 Email : [email protected] LOI – Letter of Intent Our ref.: 20190903-PT01 Date Issued: 03/09/2019 TO

:

ATTN :

PT. SUMBER ARTA MINERAL. l. Raden Saleh Raya No. 9B. Karang Tengah - Tangerang, Indonesia. U/P Herman Susilo

Dear Mr. Lee, RE: LETTER OF INTENT TO PURCHASE { High Grade Silica Sand } We, Windex Enterprises Ltd., hereby state and represent that it is our intention to purchase, and we hereby confirm that we are ready, willing and able to purchase the following commodity as per the specification and in the quantity and for the price as specified in the terms and conditions as stated below. 1) Commodity:

SILICA SAND

2) Minimum Specification Requirement: A. Silica Sand Specification Standard Chemical Composition

SiO2

Al2O3

Fe2O3

%

≥ 99%

≤ 0.05%

≤ 80PPM OR ≤ 0.008% (Maximum Tolerance)

Particle Size Distribution

1) Particle size > 0.6mm < 0.2%, largest particle < 0.71 mm 2) Particle size 0.105~0.6mm > 94.8% 3) Particle size