Gunning Mixes

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PRODUCTS / Refractory Products for Industrial Furnaces /

Gunning Mixes

Brand: PN-PT

PN-PT serial gunning mixes are mainly used for fast installation or maintenance of the linings of industrial furnaces, with advantages of short downtime and outstanding properties. It may improve sealing degree of the lining, reduce heat loss and protect the shell from over-heat, benefiting to long service life.

Main Properties(1):

Brand		PN-PT1.0	PN-PT1.2	PN-PT1.3	PN-PT1.5	PN-PT1.65
Al₂O₃(%);≥		25	27	30	35	38
Bulk density (g/cm³)		1.0±0.1	1.2±0.1	1.3±0.1	1.5±0.1	1.65±0.1
Cold crushing strength (MPa); ≥	110℃×16h	2	3	4	4	7
Cold crushing strength (MPa); ≥	1200℃×3h	2(900℃×3h)	3(1000℃×3h)	4(1000℃×3h)	5	12
Reheat linear change (%)	110℃×16h	0~-0.2	0~-0.2	0~-0.2	0~-0.2	0~-0.2
Reheat linear change (%)	1200℃×3h	0~-0.8(900℃×3h)	0~-0.8(1000℃×3h)	0~-0.8(1000℃×3h)	0~-0.8	0~-0.8
Service temp. (℃)		900	1100	1100	1250	1250
Max service temp. (℃)		1000	1150	1200	1300	1300

Main Properties(2)

Brand		PN-PT1.8	PN-PT2.0	PN-PT2.2	PN-PT2.4	PN-PT2.6	PN-PT2.8
Al₂O₃(%);≥		40	45	45	48	65	80
Bulk density (g/cm³)		1.8±0.1	2.0±0.1	2.2±0.1	2.4±0.1	2.6±0.1	2.8±0.1
Cold crushing strength (MPa); ≥	110℃×16h	8	10	12	15	18	20
Cold crushing strength (MPa); ≥	1300℃×3h	12	15	20	22	40	50
Reheat linear change (%)	110℃×16h	0~-0.2	0~-0.2	0~-0.2	0~-0.2	0~-0.2	0~-0.2
Reheat linear change (%)	1300℃×3h	0~-0.8	0~-0.8	0~-0.8	0~-0.8	0~-0.8	0~-0.8
Service temp. (℃)		1300	1300	1300	1300	1400	1500
Max service temp. (℃)		1350	1350	1350	1350	1500	1600>

Package:	Wooden case.
Transportation & storage:	Keep dry and handle with care. Guard against damp.
Especial note:	Use within 6 months.